From c15f80eaefa7ece72272e6f441f0ed36eab14411 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Mon, 13 Mar 2006 00:50:48 +0100 Subject: [PATCH] Change the sequence of events in soft_i2c.c:send_ack() to keep from incorrectly generating start/stop conditions on the bus. Patch by Andrew Dyer, 26 Jul 2005 --- CHANGELOG | 4 ++++ common/soft_i2c.c | 5 +---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index ac984168d4..889cfd5e9e 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,10 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Change the sequence of events in soft_i2c.c:send_ack() to keep from + incorrectly generating start/stop conditions on the bus. + Patch by Andrew Dyer, 26 Jul 2005 + * Fix bug in [id]cache_status commands for MPC85xx processors; should look at LSB of L1CSRn registers to determine if L1 cache is enabled, not the MSB. diff --git a/common/soft_i2c.c b/common/soft_i2c.c index 48e3d3e1c2..b3642dafc2 100644 --- a/common/soft_i2c.c +++ b/common/soft_i2c.c @@ -164,13 +164,10 @@ static void send_ack(int ack) volatile immap_t *immr = (immap_t *)CFG_IMMR; #endif - I2C_ACTIVE; I2C_SCL(0); I2C_DELAY; - - I2C_SDA(ack); - I2C_ACTIVE; + I2C_SDA(ack); I2C_DELAY; I2C_SCL(1); I2C_DELAY; -- 2.39.5