I2C: OMAP2+: use platform_data ip revision to select register map
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@linaro.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andy Green <andy.green@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index d40943c..9172a57 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -205,7 +205,7 @@
u16 errata;
};
-static const u8 reg_map[] = {
+static const u8 reg_map_ip_v1[] = {
[OMAP_I2C_REV_REG] = 0x00,
[OMAP_I2C_IE_REG] = 0x01,
[OMAP_I2C_STAT_REG] = 0x02,
@@ -226,7 +226,7 @@
[OMAP_I2C_BUFSTAT_REG] = 0x10,
};
-static const u8 omap4_reg_map[] = {
+static const u8 reg_map_ip_v2[] = {
[OMAP_I2C_REV_REG] = 0x04,
[OMAP_I2C_IE_REG] = 0x2c,
[OMAP_I2C_STAT_REG] = 0x28,
@@ -1035,10 +1035,10 @@
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);
