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Date: Tue, 26 Jun 2012 17:51:53 -0700
From: H Hartley Sweeten <hartleys@...ionengravers.com>
To: Linux Kernel <linux-kernel@...r.kernel.org>
CC: <devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH 09/36] staging: comedi: cb_pcidas: remove forward declarations 9
Move the nvram_read function, and its helper, to remove the need
for the last of the forward declarations.
Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/staging/comedi/drivers/cb_pcidas.c | 81 ++++++++++++++----------------
1 file changed, 39 insertions(+), 42 deletions(-)
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index 9c7f24a..5c3758c 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -447,9 +447,6 @@ struct cb_pcidas_private {
*/
#define devpriv ((struct cb_pcidas_private *)dev->private)
-static int nvram_read(struct comedi_device *dev, unsigned int address,
- uint8_t *data);
-
static inline unsigned int cal_enable_bits(struct comedi_device *dev)
{
return CAL_EN_BIT | CAL_SRC_BITS(devpriv->calibration_source);
@@ -617,6 +614,45 @@ static int cb_pcidas_ao_readback_insn(struct comedi_device *dev,
return 1;
}
+static int wait_for_nvram_ready(unsigned long s5933_base_addr)
+{
+ static const int timeout = 1000;
+ unsigned int i;
+
+ for (i = 0; i < timeout; i++) {
+ if ((inb(s5933_base_addr +
+ AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY)
+ == 0)
+ return 0;
+ udelay(1);
+ }
+ return -1;
+}
+
+static int nvram_read(struct comedi_device *dev, unsigned int address,
+ uint8_t *data)
+{
+ unsigned long iobase = devpriv->s5933_config;
+
+ if (wait_for_nvram_ready(iobase) < 0)
+ return -ETIMEDOUT;
+
+ outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR,
+ iobase + AMCC_OP_REG_MCSR_NVCMD);
+ outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA);
+ outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR,
+ iobase + AMCC_OP_REG_MCSR_NVCMD);
+ outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA);
+ outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD);
+
+ if (wait_for_nvram_ready(iobase) < 0)
+ return -ETIMEDOUT;
+
+ *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA);
+
+ return 0;
+}
+
static int eeprom_read_insn(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
@@ -1543,45 +1579,6 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d)
return IRQ_HANDLED;
}
-static int wait_for_nvram_ready(unsigned long s5933_base_addr)
-{
- static const int timeout = 1000;
- unsigned int i;
-
- for (i = 0; i < timeout; i++) {
- if ((inb(s5933_base_addr +
- AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY)
- == 0)
- return 0;
- udelay(1);
- }
- return -1;
-}
-
-static int nvram_read(struct comedi_device *dev, unsigned int address,
- uint8_t *data)
-{
- unsigned long iobase = devpriv->s5933_config;
-
- if (wait_for_nvram_ready(iobase) < 0)
- return -ETIMEDOUT;
-
- outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR,
- iobase + AMCC_OP_REG_MCSR_NVCMD);
- outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA);
- outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR,
- iobase + AMCC_OP_REG_MCSR_NVCMD);
- outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA);
- outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD);
-
- if (wait_for_nvram_ready(iobase) < 0)
- return -ETIMEDOUT;
-
- *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA);
-
- return 0;
-}
-
static int cb_pcidas_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
--
1.7.11
--
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