linux-kernel - [PATCH 4.7 02/45] serial: 8250_dw: Check the data->pclk when get apb

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Message-Id: <20161021091427.339074706@linuxfoundation.org>
Date:   Fri, 21 Oct 2016 11:17:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Kefeng Wang <wangkefeng.wang@...wei.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 4.7 02/45] serial: 8250_dw: Check the data->pclk when get apb_pclk

4.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kefeng Wang <wangkefeng.wang@...wei.com>

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@...wei.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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
@@ -462,7 +462,7 @@ 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;
 	}