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Date: Mon, 27 Jul 2015 14:07:53 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: kbuild-all@...org, netdev@...r.kernel.org
Subject: Re: [net:master 41/49] drivers/net/ethernet/cadence/macb.c:164:1:
error: macro "writel" passed 3 arguments, but takes just 2
On Mon, 2015-07-27 at 17:03 +0800, kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
> master
> head: 8fff755e9f8d0f70a595e79f248695ce6aef5cc3
> commit: f2ce8a9e48385f444389e75cfe293637c3eb5410 [41/49] net/macb:
> improve big endian CPU support
> config: arm-at91_dt_defconfig (attached as .config)
> reproduce:
> wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp
> -tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout f2ce8a9e48385f444389e75cfe293637c3eb5410
> # save the attached .config to linux build tree
> make.cross ARCH=arm
Oh, no.
I do use compiler from Debian for AVR32, didn't check this on other
architectures.
Possible something like following will fix it:
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -429,12 +429,12 @@
| GEM_BF(name, value))
/* Register access macros */
-#define macb_readl(port, reg) (port)->readl((port),
MACB_##reg)
-#define macb_writel(port, reg, value) (port)->writel((port),
MACB_##reg, (value))
-#define gem_readl(port, reg) (port)->readl((port),
GEM_##reg)
-#define gem_writel(port, reg, value) (port)->writel((port),
GEM_##reg, (value))
-#define queue_readl(queue, reg) (queue)->bp
->readl((queue)->bp, (queue)->reg)
-#define queue_writel(queue, reg, value) (queue)->bp
->writel((queue)->bp, (queue)->reg, (value))
+#define macb_readl(port, reg) port->readl(port, MACB_##reg)
+#define macb_writel(port, reg, value) port->writel(port, MACB_##reg,
(value))
+#define gem_readl(port, reg) port->readl(port, GEM_##reg)
+#define gem_writel(port, reg, value) port->writel(port, GEM_##reg,
(value))
+#define queue_readl(queue, reg) queue->bp->readl(queue
->bp, queue->reg)
+#define queue_writel(queue, reg, value) queue->bp->writel(queue
->bp, queue->reg, (value))
/* Conditional GEM/MACB macros. These perform the operation to the
correct
* register dependent on whether the device is a GEM or a MACB. For
registers
>
> All error/warnings (new ones prefixed by >>):
>
> drivers/net/ethernet/cadence/macb.c: In function
> 'macb_set_hwaddr':
> > > drivers/net/ethernet/cadence/macb.c:164:1: error: macro "writel"
> > > passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA1B, bottom);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:447:4: note: in expansion of
> > > macro 'gem_writel'
> gem_writel((__bp), __reg, __value); \
> ^
> > > drivers/net/ethernet/cadence/macb.c:164:2: note: in expansion of
> > > macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA1B, bottom);
> ^
> > > drivers/net/ethernet/cadence/macb.c:164:1: error: macro "writel"
> > > passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA1B, bottom);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> drivers/net/ethernet/cadence/macb.h:433:39: warning: statement
> with no effect [-Wunused-value]
> #define macb_writel(port, reg, value) (port)->writel((port),
> MACB_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:449:4: note: in expansion of
> > > macro 'macb_writel'
> macb_writel((__bp), __reg, __value); \
> ^
> > > drivers/net/ethernet/cadence/macb.c:164:2: note: in expansion of
> > > macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA1B, bottom);
> ^
> drivers/net/ethernet/cadence/macb.c:166:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA1T, top);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:447:4: note: in expansion of
> > > macro 'gem_writel'
> gem_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:166:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA1T, top);
> ^
> drivers/net/ethernet/cadence/macb.c:166:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA1T, top);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> drivers/net/ethernet/cadence/macb.h:433:39: warning: statement
> with no effect [-Wunused-value]
> #define macb_writel(port, reg, value) (port)->writel((port),
> MACB_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:449:4: note: in expansion of
> > > macro 'macb_writel'
> macb_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:166:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA1T, top);
> ^
> drivers/net/ethernet/cadence/macb.c:169:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA2B, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:447:4: note: in expansion of
> > > macro 'gem_writel'
> gem_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:169:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA2B, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:169:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA2B, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> drivers/net/ethernet/cadence/macb.h:433:39: warning: statement
> with no effect [-Wunused-value]
> #define macb_writel(port, reg, value) (port)->writel((port),
> MACB_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:449:4: note: in expansion of
> > > macro 'macb_writel'
> macb_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:169:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA2B, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:170:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA2T, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:447:4: note: in expansion of
> > > macro 'gem_writel'
> gem_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:170:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA2T, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:170:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA2T, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> drivers/net/ethernet/cadence/macb.h:433:39: warning: statement
> with no effect [-Wunused-value]
> #define macb_writel(port, reg, value) (port)->writel((port),
> MACB_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:449:4: note: in expansion of
> > > macro 'macb_writel'
> macb_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:170:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA2T, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:171:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA3B, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:447:4: note: in expansion of
> > > macro 'gem_writel'
> gem_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:171:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA3B, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:171:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA3B, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> drivers/net/ethernet/cadence/macb.h:433:39: warning: statement
> with no effect [-Wunused-value]
> #define macb_writel(port, reg, value) (port)->writel((port),
> MACB_##reg, (value))
> ^
> > > drivers/net/ethernet/cadence/macb.h:449:4: note: in expansion of
> > > macro 'macb_writel'
> macb_writel((__bp), __reg, __value); \
> ^
> drivers/net/ethernet/cadence/macb.c:171:2: note: in expansion of
> macro 'macb_or_gem_writel'
> macb_or_gem_writel(bp, SA3B, 0);
> ^
> drivers/net/ethernet/cadence/macb.c:172:1: error: macro "writel"
> passed 3 arguments, but takes just 2
> macb_or_gem_writel(bp, SA3T, 0);
> ^
> In file included from drivers/net/ethernet/cadence/macb.c:34:0:
> > > drivers/net/ethernet/cadence/macb.h:435:38: warning: statement
> > > with no effect [-Wunused-value]
> #define gem_writel(port, reg, value) (port)->writel((port),
> GEM_##reg, (value))
> ^
>
> vim +/writel +164 drivers/net/ethernet/cadence/macb.c
>
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 28 #include <linux/phy.h>
> b17471f5d drivers/net/ethernet/cadence/macb.c Olof Johansson
> 2011-12-20 29 #include <linux/of.h>
> fb97a8466 drivers/net/ethernet/cadence/macb.c Jean-Christophe
> PLAGNIOL-VILLARD 2011-11-18 30 #include <linux/of_device.h>
> 148cbb53a drivers/net/ethernet/cadence/macb.c Boris BREZILLON
> 2013-08-22 31 #include <linux/of_mdio.h>
> fb97a8466 drivers/net/ethernet/cadence/macb.c Jean-Christophe
> PLAGNIOL-VILLARD 2011-11-18 32 #include <linux/of_net.h>
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 33
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 @34 #include "macb.h"
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 35
> 1b44791ab drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2013-06-04 36 #define MACB_RX_BUFFER_SIZE 128
> 1b44791ab drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2013-06-04 37 #define RX_BUFFER_MULTIPLE 64 /* bytes
> */
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 38 #define RX_RING_SIZE 512 /* must
> be power of 2 */
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 39 #define RX_RING_BYTES (siz
> eof(struct macb_dma_desc) * RX_RING_SIZE)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 40
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 41 #define TX_RING_SIZE 128 /* must
> be power of 2 */
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 42 #define TX_RING_BYTES (siz
> eof(struct macb_dma_desc) * TX_RING_SIZE)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 43
> 909a85834 drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-11-19 44 /* level of occupied TX descriptors under
> which we wake up TX process */
> 909a85834 drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-11-19 45 #define MACB_TX_WAKEUP_THRESH (3 *
> TX_RING_SIZE / 4)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 46
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 47 #define MACB_RX_INT_FLAGS (MACB_BIT(RC
> OMP) | MACB_BIT(RXUBR) \
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 48 |
> MACB_BIT(ISR_ROVR))
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 49 #define MACB_TX_ERR_FLAGS (MACB_BIT(IS
> R_TUND) \
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 50 |
> MACB_BIT(ISR_RLE) \
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 51 |
> MACB_BIT(TXERR))
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 52 #define MACB_TX_INT_FLAGS (MACB_TX_ERR
> _FLAGS | MACB_BIT(TCOMP))
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 53
> a4c35ed3f drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-07-24 54 #define MACB_MAX_TX_LEN ((un
> signed int)((1 << MACB_TX_FRMLEN_SIZE) - 1))
> a4c35ed3f drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-07-24 55 #define GEM_MAX_TX_LEN ((un
> signed int)((1 << GEM_TX_FRMLEN_SIZE) - 1))
> a4c35ed3f drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-07-24 56
> a5898ea09 drivers/net/ethernet/cadence/macb.c Harini Katakam
> 2015-05-06 57 #define GEM_MTU_MIN_SIZE 68
> a5898ea09 drivers/net/ethernet/cadence/macb.c Harini Katakam
> 2015-05-06 58
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 59 /*
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 60 * Graceful stop timeouts in us. We should
> allow up to
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 61 * 1 frame time (10 Mbits/s, full-duplex,
> ignoring collisions)
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 62 */
> e86cd53af drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2012-10-31 63 #define MACB_HALT_TIMEOUT 1230
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 64
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 65 /* Ring buffer accessors */
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 66 static unsigned int
> macb_tx_ring_wrap(unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 67 {
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 68 return index & (TX_RING_SIZE - 1);
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 69 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 70
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 71 static struct macb_dma_desc
> *macb_tx_desc(struct macb_queue *queue,
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 72
> unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 73 {
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 74 return &queue
> ->tx_ring[macb_tx_ring_wrap(index)];
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 75 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 76
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 77 static struct macb_tx_skb
> *macb_tx_skb(struct macb_queue *queue,
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 78
> unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 79 {
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 80 return &queue
> ->tx_skb[macb_tx_ring_wrap(index)];
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 81 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 82
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 83 static dma_addr_t macb_tx_dma(struct
> macb_queue *queue, unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 84 {
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 85 dma_addr_t offset;
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 86
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 87 offset = macb_tx_ring_wrap(index) *
> sizeof(struct macb_dma_desc);
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 88
> 02c958dd3 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2014-12-12 89 return queue->tx_ring_dma + offset;
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 90 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 91
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 92 static unsigned int
> macb_rx_ring_wrap(unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 93 {
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 94 return index & (RX_RING_SIZE - 1);
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 95 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 96
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 97 static struct macb_dma_desc
> *macb_rx_desc(struct macb *bp, unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 98 {
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 99 return &bp
> ->rx_ring[macb_rx_ring_wrap(index)];
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 100 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 101
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 102 static void *macb_rx_buffer(struct macb
> *bp, unsigned int index)
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 103 {
> 1b44791ab drivers/net/ethernet/cadence/macb.c Nicolas Ferre
> 2013-06-04 104 return bp->rx_buffers + bp
> ->rx_buffer_size * macb_rx_ring_wrap(index);
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 105 }
> 55054a16a drivers/net/ethernet/cadence/macb.c Havard Skinnemoen
> 2012-10-31 106
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 107 /* I/O accessors */
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 108 static u32 hw_readl_native(struct macb
> *bp, int offset)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 109 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 110 return __raw_readl(bp->regs +
> offset);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 111 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 112
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 113 static void hw_writel_native(struct macb
> *bp, int offset, u32 value)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 114 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 115 __raw_writel(value, bp->regs +
> offset);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 116 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 117
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 118 static u32 hw_readl(struct macb *bp, int
> offset)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 119 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 120 return readl_relaxed(bp->regs +
> offset);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 121 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 122
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 123 static void hw_writel(struct macb *bp, int
> offset, u32 value)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 124 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 125 writel_relaxed(value, bp->regs +
> offset);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 126 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 127
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 128 /*
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 129 * Find the CPU endianness by using the
> loopback bit of NCR register. When the
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 130 * CPU is in big endian we need to program
> swaped mode for management
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 131 * descriptor access.
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 132 */
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 133 static bool hw_is_native_io(void __iomem
> *addr)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 134 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 135 u32 value = MACB_BIT(LLB);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 136
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 137 __raw_writel(value, addr +
> MACB_NCR);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 138 value = __raw_readl(addr +
> MACB_NCR);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 139
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 140 /* Write 0 back to disable
> everything */
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 141 __raw_writel(0, addr + MACB_NCR);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 142
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 143 return value == MACB_BIT(LLB);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 144 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 145
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 146 static bool hw_is_gem(void __iomem *addr,
> bool native_io)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 147 {
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 148 u32 id;
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 149
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 150 if (native_io)
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 151 id = __raw_readl(addr +
> MACB_MID);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 152 else
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 153 id = readl_relaxed(addr +
> MACB_MID);
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 154
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 155 return MACB_BFEXT(IDNUM, id) >= 0x2;
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 156 }
> f2ce8a9e4 drivers/net/ethernet/cadence/macb.c Andy Shevchenko
> 2015-07-24 157
> 421d9df06 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2015-03-07 158 static void macb_set_hwaddr(struct macb
> *bp)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 159 {
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 160 u32 bottom;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 161 u16 top;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 162
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 163 bottom = cpu_to_le32(*((u32 *)bp
> ->dev->dev_addr));
> f75ba50bd drivers/net/ethernet/cadence/macb.c Jamie Iles
> 2011-11-08 @164 macb_or_gem_writel(bp, SA1B,
> bottom);
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 165 top = cpu_to_le16(*((u16 *)(bp->dev
> ->dev_addr + 4)));
> f75ba50bd drivers/net/ethernet/cadence/macb.c Jamie Iles
> 2011-11-08 166 macb_or_gem_writel(bp, SA1T, top);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 167
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 168 /* Clear unused address register
> sets */
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 169 macb_or_gem_writel(bp, SA2B, 0);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 170 macb_or_gem_writel(bp, SA2T, 0);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 171 macb_or_gem_writel(bp, SA3B, 0);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 172 macb_or_gem_writel(bp, SA3T, 0);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 173 macb_or_gem_writel(bp, SA4B, 0);
> 3629a6ceb drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-11 @174 macb_or_gem_writel(bp, SA4T, 0);
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 175 }
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 176
> 421d9df06 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2015-03-07 177 static void macb_get_hwaddr(struct macb
> *bp)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 178 {
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 179 struct macb_platform_data *pdata;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 180 u32 bottom;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 181 u16 top;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 182 u8 addr[6];
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 183 int i;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 184
> c607a0d99 drivers/net/ethernet/cadence/macb.c Jingoo Han
> 2013-08-30 185 pdata = dev_get_platdata(&bp->pdev
> ->dev);
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 186
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 187 /* Check all 4 address register for
> vaild address */
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 188 for (i = 0; i < 4; i++) {
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 @189 bottom =
> macb_or_gem_readl(bp, SA1B + i * 8);
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 190 top = macb_or_gem_readl(bp,
> SA1T + i * 8);
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 191
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 192 if (pdata && pdata
> ->rev_eth_addr) {
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 193 addr[5] = bottom &
> 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 194 addr[4] = (bottom >>
> 8) & 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 195 addr[3] = (bottom >>
> 16) & 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 196 addr[2] = (bottom >>
> 24) & 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 197 addr[1] = top &
> 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 198 addr[0] = (top &
> 0xff00) >> 8;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 199 } else {
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 200 addr[0] = bottom &
> 0xff;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 201 addr[1] = (bottom >>
> 8) & 0xff;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 202 addr[2] = (bottom >>
> 16) & 0xff;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 203 addr[3] = (bottom >>
> 24) & 0xff;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 204 addr[4] = top &
> 0xff;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 205 addr[5] = (top >> 8)
> & 0xff;
> d25e78aaf drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 206 }
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 207
> d1d5741d8 drivers/net/macb.c Sven Schnelle
> 2008-06-09 208 if
> (is_valid_ether_addr(addr)) {
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 209 memcpy(bp->dev
> ->dev_addr, addr, sizeof(addr));
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 210 return;
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 211 }
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 212 }
> 17b8bb3e2 drivers/net/ethernet/cadence/macb.c Joachim Eastwood
> 2012-11-07 213
> c220f8cd0 drivers/net/ethernet/cadence/macb.c Jamie Iles
> 2011-03-08 214 netdev_info(bp->dev, "invalid hw
> address, using random\n");
> f2cedb63d drivers/net/ethernet/cadence/macb.c Danny Kukawka
> 2012-02-15 215 eth_hw_addr_random(bp->dev);
> d1d5741d8 drivers/net/macb.c Sven Schnelle
> 2008-06-09 216 }
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 217
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 218 static int macb_mdio_read(struct mii_bus
> *bus, int mii_id, int regnum)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 219 {
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 220 struct macb *bp = bus->priv;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 221 int value;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 222
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 @223 macb_writel(bp, MAN, (MACB_BF(SOF,
> MACB_MAN_SOF)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 224 | MACB_BF(RW,
> MACB_MAN_READ)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 225 |
> MACB_BF(PHYA, mii_id)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 226 |
> MACB_BF(REGA, regnum)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 @227 |
> MACB_BF(CODE, MACB_MAN_CODE)));
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 228
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 229 /* wait for end of transfer */
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 @230 while (!MACB_BFEXT(IDLE,
> macb_readl(bp, NSR)))
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 231 cpu_relax();
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 232
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 233 value = MACB_BFEXT(DATA,
> macb_readl(bp, MAN));
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 234
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 235 return value;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 236 }
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 237
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 238 static int macb_mdio_write(struct mii_bus
> *bus, int mii_id, int regnum,
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 239 u16 value)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 240 {
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 241 struct macb *bp = bus->priv;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 242
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 243 macb_writel(bp, MAN, (MACB_BF(SOF,
> MACB_MAN_SOF)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 244 | MACB_BF(RW,
> MACB_MAN_WRITE)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 245 |
> MACB_BF(PHYA, mii_id)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 246 |
> MACB_BF(REGA, regnum)
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 247 |
> MACB_BF(CODE, MACB_MAN_CODE)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 248 |
> MACB_BF(DATA, value)));
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 249
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 250 /* wait for end of transfer */
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 @251 while (!MACB_BFEXT(IDLE,
> macb_readl(bp, NSR)))
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 252 cpu_relax();
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 253
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 254 return 0;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 255 }
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 256
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 257 /**
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 258 * macb_set_tx_clk() - Set a clock to a
> new frequency
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 259 * @clk Pointer to the clock
> to change
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 260 * @rate New frequency in Hz
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 261 * @dev Pointer to the
> struct net_device
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 262 */
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 263 static void macb_set_tx_clk(struct clk
> *clk, int speed, struct net_device *dev)
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 264 {
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 265 long ferr, rate, rate_rounded;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 266
> 93b31f48b drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2015-03-07 267 if (!clk)
> 93b31f48b drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2015-03-07 268 return;
> 93b31f48b drivers/net/ethernet/cadence/macb.c Cyrille Pitchen
> 2015-03-07 269
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 270 switch (speed) {
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 271 case SPEED_10:
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 272 rate = 2500000;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 273 break;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 274 case SPEED_100:
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 275 rate = 25000000;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 276 break;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 277 case SPEED_1000:
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 278 rate = 125000000;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 279 break;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 280 default:
> 9319e47c1 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 281 return;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 282 }
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 283
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 284 rate_rounded = clk_round_rate(clk,
> rate);
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 285 if (rate_rounded < 0)
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 286 return;
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 287
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 288 /* RGMII allows 50 ppm frequency
> error. Test and warn if this limit
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 289 * is not satisfied.
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 290 */
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 291 ferr = abs(rate_rounded - rate);
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 292 ferr = DIV_ROUND_UP(ferr, rate /
> 100000);
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 293 if (ferr > 5)
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 294 netdev_warn(dev, "unable to
> generate target frequency: %ld Hz\n",
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 295 rate);
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 296
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 297 if (clk_set_rate(clk, rate_rounded))
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 298 netdev_err(dev, "adjusting
> tx_clk failed.\n");
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 299 }
> e1824dfe0 drivers/net/ethernet/cadence/macb.c Soren Brinkmann
> 2013-12-10 300
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 301 static void macb_handle_link_change(struct
> net_device *dev)
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 302 {
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 303 struct macb *bp = netdev_priv(dev);
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 304 struct phy_device *phydev = bp
> ->phy_dev;
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 305 unsigned long flags;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 306
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 307 int status_change = 0;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 308
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 309 spin_lock_irqsave(&bp->lock, flags);
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 310
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 311 if (phydev->link) {
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 312 if ((bp->speed != phydev
> ->speed) ||
> 6c36a7074 drivers/net/macb.c frederic RODO
> 2007-07-12 313 (bp->duplex != phydev
> ->duplex)) {
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 314 u32 reg;
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 315
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 @316 reg = macb_readl(bp,
> NCFGR);
> 89e5785fc drivers/net/macb.c Haavard Skinnemoen
> 2006-11-09 317 reg &=
> ~(MACB_BIT(SPD) | MACB_BIT(FD));
> 140b7552f drivers/net/ethernet/cadence/macb.c Patrice Vilchez
> 2012-10-31 318 if (macb_is_gem(bp))
> 140b7552f drivers/net/ethernet/cadence/macb.c Patrice Vilchez
> 2012-10-31 319 reg &=
> ~GEM_BIT(GBE);
>
> :::::: The code at line 164 was first introduced by commit
> :::::: f75ba50bdc2bcfab591bdf903312557033d0ac68 macb: initial support
> for Cadence GEM
>
> :::::: TO: Jamie Iles <jamie.iles@...hembedded.com>
> :::::: CC: Jamie Iles <jamie@...ieiles.com>
>
> ---
> 0-DAY kernel test infrastructure Open Source
> Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Cor
> poration
--
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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