4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
commit e16b46f190a22587898b331f9d58583b0b166c9a upstream.
It should check the data->pclk, not data->clk when get apb_pclk.
Fixes: c8ed99d4f6a8("serial: 8250_dw: Add support for deferred probing")
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Tested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_dw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -440,7 +440,7 @@ static int dw8250_probe(struct platform_
}
data->pclk = devm_clk_get(&pdev->dev, "apb_pclk");
- if (IS_ERR(data->clk) && PTR_ERR(data->clk) == -EPROBE_DEFER) {
+ if (IS_ERR(data->pclk) && PTR_ERR(data->pclk) == -EPROBE_DEFER) {
err = -EPROBE_DEFER;
goto err_clk;
}
--
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