>From d0d9e0df99ce9035db43ebcf9d48601fa6f096d4 Mon Sep 17 00:00:00 2001
From: Richard Retanubun <richardretanu...@ruggedcom.com>
Date: Mon, 12 Apr 2010 15:08:17 -0400
Subject: [PATCH] fsl_i2c: Added a callpoint for i2c_board_late_init
This patch adds a callpoint in i2c_init that allows board specific
i2c board initialization (typically for i2c bus reset) that is called
after i2c_init operations, allowing the i2c_board_late_init function
to use the pre-configured i2c bus speed and slave address.
---
Hi Wolfgang & Heiko,
This is the patch that adds another callpoint. Thanks for
all the feedback.
- Richard
drivers/i2c/fsl_i2c.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index 2241990..a1a62fa 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -249,6 +249,14 @@ i2c_init(int speed, int slaveadd)
writeb(0x0, &dev->sr); /* clear status register */
writeb(I2C_CR_MEN, &dev->cr); /* start I2C controller */
#endif
+
+#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT
+ /* Call board specific i2c bus reset routine after the bus has been */
+ /* initialized. Use either this callpoint or i2c_init_board; which is */
+ /* called before i2c_init operations. */
+ /* For details about this problem see doc/I2C_Edge_Conditions. */
+ i2c_board_late_init();
+#endif
}
static int
--
1.7.0
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