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authoreric miao <eric.y.miao@gmail.com>2008-01-27 18:14:46 +0100
committerJean Delvare <khali@hyperion.delvare>2008-01-27 18:14:46 +0100
commit59d70df025473931c500d6d60510798e4bfa3279 (patch)
tree8b434d43a66e690755eaa07daf0bb9b147ac92f7 /drivers/i2c
parent7e8b99251be8b6f992baa88e3a6ba3c4ae01660b (diff)
i2c-pxa: Remove hardcoded #ifdef and use cpu_is_pxa27x
remove #ifdef CONFIG_PXA27x .. #endif and use cpu_is_pxaXXXX() macros so that a single binary can support PXA25x/PXA27x/PXA3xx at run-time. Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-pxa.c58
1 files changed, 29 insertions, 29 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 6426a61f8d4d..da3ecf5c591b 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -840,6 +840,32 @@ static const struct i2c_algorithm i2c_pxa_algorithm = {
.functionality = i2c_pxa_functionality,
};
+static void i2c_pxa_enable(struct platform_device *dev)
+{
+ if (cpu_is_pxa27x()) {
+ switch (dev->id) {
+ case 0:
+ pxa_gpio_mode(GPIO117_I2CSCL_MD);
+ pxa_gpio_mode(GPIO118_I2CSDA_MD);
+ break;
+ case 1:
+ local_irq_disable();
+ PCFR |= PCFR_PI2CEN;
+ local_irq_enable();
+ break;
+ }
+ }
+}
+
+static void i2c_pxa_disable(struct platform_device *dev)
+{
+ if (cpu_is_pxa27x() && dev->id == 1) {
+ local_irq_disable();
+ PCFR &= ~PCFR_PI2CEN;
+ local_irq_enable();
+ }
+}
+
#define res_len(r) ((r)->end - (r)->start + 1)
static int i2c_pxa_probe(struct platform_device *dev)
{
@@ -899,25 +925,13 @@ static int i2c_pxa_probe(struct platform_device *dev)
#endif
clk_enable(i2c->clk);
-#ifdef CONFIG_PXA27x
- switch (dev->id) {
- case 0:
- pxa_gpio_mode(GPIO117_I2CSCL_MD);
- pxa_gpio_mode(GPIO118_I2CSDA_MD);
- break;
- case 1:
- local_irq_disable();
- PCFR |= PCFR_PI2CEN;
- local_irq_enable();
- }
-#endif
+ i2c_pxa_enable(dev);
ret = request_irq(irq, i2c_pxa_handler, IRQF_DISABLED,
i2c->adap.name, i2c);
if (ret)
goto ereqirq;
-
i2c_pxa_reset(i2c);
i2c->adap.algo_data = i2c;
@@ -955,14 +969,7 @@ eadapt:
free_irq(irq, i2c);
ereqirq:
clk_disable(i2c->clk);
-
-#ifdef CONFIG_PXA27x
- if (dev->id == 1) {
- local_irq_disable();
- PCFR &= ~PCFR_PI2CEN;
- local_irq_enable();
- }
-#endif
+ i2c_pxa_disable(dev);
eremap:
clk_put(i2c->clk);
eclk:
@@ -983,14 +990,7 @@ static int i2c_pxa_remove(struct platform_device *dev)
clk_disable(i2c->clk);
clk_put(i2c->clk);
-
-#ifdef CONFIG_PXA27x
- if (dev->id == 1) {
- local_irq_disable();
- PCFR &= ~PCFR_PI2CEN;
- local_irq_enable();
- }
-#endif
+ i2c_pxa_disable(dev);
release_mem_region(i2c->iobase, i2c->iosize);
kfree(i2c);