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Message-ID: <201801200543.cKHnq3PE%fengguang.wu@intel.com>
Date: Sat, 20 Jan 2018 06:06:13 +0800
From: kbuild test robot <lkp@...el.com>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: kbuild-all@...org, netdev@...r.kernel.org, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com,
Florian Fainelli <f.fainelli@...il.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...com>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Chen-Yu Tsai <wens@...e.org>,
open list <linux-kernel@...r.kernel.org>,
"moderated list:ARM/Allwinner sunXi SoC support"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH net-next] net: stmmac: Fix reception of Broadcom switches
tags
Hi Florian,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Florian-Fainelli/net-stmmac-Fix-reception-of-Broadcom-switches-tags/20180120-044006
config: x86_64-randconfig-x002-201802 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:5:0,
from arch/x86/include/asm/bug.h:82,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/gfp.h:5,
from include/linux/slab.h:15,
from drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:17:
drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c: In function 'dwmac4_core_init':
drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:36:6: error: implicit declaration of function 'netdev_uses_dsa'; did you mean 'netdev_reset_tc'? [-Werror=implicit-function-declaration]
if (netdev_uses_dsa(dev))
^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:36:2: note: in expansion of macro 'if'
if (netdev_uses_dsa(dev))
^~
drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:37:13: error: 'GMAC_CONTROL_ACS' undeclared (first use in this function); did you mean 'GMAC_CONFIG_ACS'?
value &= ~GMAC_CONTROL_ACS;
^~~~~~~~~~~~~~~~
GMAC_CONFIG_ACS
drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:37:13: note: each undeclared identifier is reported only once for each function it appears in
In file included from include/asm-generic/bug.h:5:0,
from arch/x86/include/asm/bug.h:82,
from include/linux/bug.h:5,
from include/linux/mmdebug.h:5,
from include/linux/gfp.h:5,
from include/linux/slab.h:15,
from drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c:17:
drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c: At top level:
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:425:2: note: in expansion of macro 'if'
if (p_size == (size_t)-1 && q_size == (size_t)-1)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:415:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:413:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:404:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:402:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:393:2: note: in expansion of macro 'if'
if (p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memchr' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:391:2: note: in expansion of macro 'if'
if (__builtin_constant_p(size) && p_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:383:2: note: in expansion of macro 'if'
if (p_size < size || q_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
^~~~~~~~~~
include/linux/string.h:380:3: note: in expansion of macro 'if'
if (q_size < size)
^~
include/linux/compiler.h:64:4: warning: '______f' is static but declared in inline function 'memcmp' which is not static
______f = { \
^
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
vim +/if +36 drivers/net//ethernet/stmicro/stmmac/dwmac4_core.c
> 17 #include <linux/slab.h>
18 #include <linux/ethtool.h>
19 #include <linux/io.h>
20 #include "stmmac_pcs.h"
21 #include "dwmac4.h"
22
23 static void dwmac4_core_init(struct mac_device_info *hw,
24 struct net_device *dev)
25 {
26 void __iomem *ioaddr = hw->pcsr;
27 u32 value = readl(ioaddr + GMAC_CONFIG);
28 int mtu = dev->mtu;
29
30 value |= GMAC_CORE_INIT;
31
32 /* Clear ACS bit because Ethernet switch tagging formats such as
33 * Broadcom tags can look like invalid LLC/SNAP packets and cause the
34 * hardware to truncate packets on reception.
35 */
> 36 if (netdev_uses_dsa(dev))
37 value &= ~GMAC_CONTROL_ACS;
38
39 if (mtu > 1500)
40 value |= GMAC_CONFIG_2K;
41 if (mtu > 2000)
42 value |= GMAC_CONFIG_JE;
43
44 if (hw->ps) {
45 value |= GMAC_CONFIG_TE;
46
47 value &= hw->link.speed_mask;
48 switch (hw->ps) {
49 case SPEED_1000:
50 value |= hw->link.speed1000;
51 break;
52 case SPEED_100:
53 value |= hw->link.speed100;
54 break;
55 case SPEED_10:
56 value |= hw->link.speed10;
57 break;
58 }
59 }
60
61 writel(value, ioaddr + GMAC_CONFIG);
62
63 /* Mask GMAC interrupts */
64 value = GMAC_INT_DEFAULT_MASK;
65 if (hw->pmt)
66 value |= GMAC_INT_PMT_EN;
67 if (hw->pcs)
68 value |= GMAC_PCS_IRQ_DEFAULT;
69
70 writel(value, ioaddr + GMAC_INT_EN);
71 }
72
---
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