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i2c: imx: only imx1 needs disable delay

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check cpu_is_mx1() when disable delay.

Signed-off-by: Richard Zhao <[email protected]>
Signed-off-by: Ben Dooks <[email protected]>
This commit is contained in:
Richard Zhao 2009-10-17 17:46:23 +08:00 • committed by Ben Dooks
commit a4094a76e6
1 changed files with 7 additions and 5 deletions
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12
drivers/i2c/busses/i2c-imx.c
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@ -225,11 +225,13 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
i2c_imx->stopped = 1;
}
/*
* This delay caused by an i.MXL hardware bug.
* If no (or too short) delay, no "STOP" bit will be generated.
*/
udelay(i2c_imx->disable_delay);
if (cpu_is_mx1()) {
/*
* This delay caused by an i.MXL hardware bug.
* If no (or too short) delay, no "STOP" bit will be generated.
*/
udelay(i2c_imx->disable_delay);
}
if (!i2c_imx->stopped)
i2c_imx_bus_busy(i2c_imx, 0);