I2C: OMAP2+: Pass hwmod rev knowledge via platform_data when i2c bus added

Mark each OMAP I2C bus with the hwmod's knowledge of which I2C
IP version is in the chip we're running on.

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>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index a938df0908a2..0d3eda77e7ce 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -155,6 +155,12 @@ static inline int omap2_i2c_add_bus(int bus_id)
 
         pdata = &i2c_pdata[bus_id - 1];
         /*
+         * pass the hwmod class's CPU-specific knowledge of I2C IP revision in
+         * use up to the OMAP I2C driver via platform data
+         */
+        pdata->rev = oh->class->rev;
+
+        /*
          * When waiting for completion of a i2c transfer, we need to
          * set a wake up latency constraint for the MPU. This is to
          * ensure quick enough wakeup from idle, when transfer