Message ID | 1376385091-30597-3-git-send-email-Baohua.Song@csr.com |
---|---|
State | Accepted |
Headers | show |
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);