serial: remove unnecessary platform_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Barry Song <baohua.song@csr.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c
index bfb1796..7e4e408 100644
--- a/drivers/tty/serial/clps711x.c
+++ b/drivers/tty/serial/clps711x.c
@@ -438,8 +438,7 @@
s->uart_clk = devm_clk_get(&pdev->dev, "uart");
if (IS_ERR(s->uart_clk)) {
dev_err(&pdev->dev, "Can't get UART clocks\n");
- ret = PTR_ERR(s->uart_clk);
- goto err_out;
+ return PTR_ERR(s->uart_clk);
}
s->uart.owner = THIS_MODULE;
@@ -461,7 +460,7 @@
if (ret) {
dev_err(&pdev->dev, "Registering UART driver failed\n");
devm_clk_put(&pdev->dev, s->uart_clk);
- goto err_out;
+ return ret;
}
for (i = 0; i < UART_CLPS711X_NR; i++) {
@@ -478,11 +477,6 @@
}
return 0;
-
-err_out:
- platform_set_drvdata(pdev, NULL);
-
- return ret;
}
static int uart_clps711x_remove(struct platform_device *pdev)
@@ -495,7 +489,6 @@
devm_clk_put(&pdev->dev, s->uart_clk);
uart_unregister_driver(&s->uart);
- platform_set_drvdata(pdev, NULL);
return 0;
}