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>

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index a938df0908a2a0dcbbb1f3b6ec1f398cfc4fc068..0d3eda77e7ce150f9d348e439942494c14760631 100644 (file)
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -154,6 +154,12 @@ 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