[PATCH v4 08/18] I2C: OMAP2+: use platform_data ip revision to select register map
Kevin Hilman
khilman at ti.com
Wed Jun 1 20:19:34 EDT 2011
From: Andy Green <andy at warmcat.com>
Change the register map names to reflect the IP revision they
are representing, and use the platform_data IP revision index
to select between them at init time.
Eliminates 1 of 17 cpu_...() calls in the driver.
Cc: patches at linaro.org
Cc: Ben Dooks <ben-linux at fluff.org>
Reported-by: Peter Maydell <peter.maydell at linaro.org>
Signed-off-by: Andy Green <andy.green at linaro.org>
Signed-off-by: Tony Lindgren <tony at atomide.com>
Signed-off-by: Kevin Hilman <khilman at ti.com>
---
drivers/i2c/busses/i2c-omap.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 6a6b222..fbd4ec4 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -205,7 +205,7 @@ struct omap_i2c_dev {
u16 errata;
};
-const static u8 reg_map[] = {
+const static u8 reg_map_ip_v1[] = {
[OMAP_I2C_REV_REG] = 0x00,
[OMAP_I2C_IE_REG] = 0x01,
[OMAP_I2C_STAT_REG] = 0x02,
@@ -226,7 +226,7 @@ const static u8 reg_map[] = {
[OMAP_I2C_BUFSTAT_REG] = 0x10,
};
-const static u8 omap4_reg_map[] = {
+const static u8 reg_map_ip_v2[] = {
[OMAP_I2C_REV_REG] = 0x04,
[OMAP_I2C_IE_REG] = 0x2c,
[OMAP_I2C_STAT_REG] = 0x28,
@@ -1035,10 +1035,10 @@ omap_i2c_probe(struct platform_device *pdev)
else
dev->reg_shift = 2;
- if (cpu_is_omap44xx())
- dev->regs = (u8 *) omap4_reg_map;
+ if (pdata->rev == OMAP_I2C_IP_VERSION_2)
+ dev->regs = (u8 *)reg_map_ip_v2;
else
- dev->regs = (u8 *) reg_map;
+ dev->regs = (u8 *)reg_map_ip_v1;
pm_runtime_enable(&pdev->dev);
omap_i2c_unidle(dev);
--
1.7.4
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