check cpu_is_mx1() when set disable_delay.
Signed-off-by: Richard Zhao <linuxzsc@xxxxxxxxx>
---
drivers/i2c/busses/i2c-imx.c | 18 ++++++++++--------
1 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 156cc95..c1e541c 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -254,14 +254,16 @@ static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
/* Write divider value to register */
writeb(i2c_clk_div[i][1], i2c_imx->base + IMX_I2C_IFDR);
- /*
- * There dummy delay is calculated.
- * It should be about one I2C clock period long.
- * This delay is used in I2C bus disable function
- * to fix chip hardware bug.
- */
- i2c_imx->disable_delay = (500000U * i2c_clk_div[i][0]
- + (i2c_clk_rate / 2) - 1) / (i2c_clk_rate / 2);
+ if (cpu_is_mx1()) {
+ /*
+ * There dummy delay is calculated.
+ * It should be about one I2C clock period long.
+ * This delay is used in I2C bus disable function
+ * to fix chip hardware bug.
+ */
+ i2c_imx->disable_delay = (500000U * i2c_clk_div[i][0]
+ + (i2c_clk_rate / 2) - 1) / (i2c_clk_rate / 2);
+ }
/* dev_dbg() can't be used, because adapter is not yet registered */
#ifdef CONFIG_I2C_DEBUG_BUS
--
1.6.0.4
--
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