From: Zhiwu Song <[email protected]> this fixes the issue that we lost to wait the i2c reset finished.
Signed-off-by: Zhiwu Song <[email protected]> Signed-off-by: Barry Song <[email protected]> --- drivers/i2c/busses/i2c-sirf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index 055210e..45a8881 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -425,6 +425,8 @@ static int i2c_sirfsoc_resume(struct device *dev) clk_enable(siic->clk); writel(SIRFSOC_I2C_RESET, siic->base + SIRFSOC_I2C_CTRL); + while (readl(siic->base + SIRFSOC_I2C_CTRL) & SIRFSOC_I2C_RESET) + cpu_relax(); writel(SIRFSOC_I2C_CORE_EN | SIRFSOC_I2C_MASTER_MODE, siic->base + SIRFSOC_I2C_CTRL); writel(siic->clk_div, siic->base + SIRFSOC_I2C_CLK_CTRL); -- 1.8.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
