serial: 8250_dw: Check the data->pclk when get apb_pclk
authorKefeng Wang <wangkefeng.wang@huawei.com>
Wed, 24 Aug 2016 08:33:33 +0000 (16:33 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 Oct 2016 10:26:54 +0000 (12:26 +0200)
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@huawei.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_dw.c

index a5d319e4aae65dad90f64bafd33c2ad02bed7034..8435c3f204c1ed85ef501d0232632659a46d1ffc 100644 (file)
@@ -440,7 +440,7 @@ static int dw8250_probe(struct platform_device *pdev)
        }
 
        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;
        }