[PATCH 3 07/18] I2C: OMAP2+: Pass hwmod rev knowledge via platform_data when i2c bus added

Andy Green andy at warmcat.com
Tue Mar 15 15:56:41 EDT 2011


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 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>
---

 arch/arm/plat-omap/i2c.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 0a1b5af..34a3319 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




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