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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2019-04-25 15:10:44 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-29 16:20:24 +0200 |
| commit | 74cdf8cec7dd4c9c06533555a49b4afb429cb5be (patch) | |
| tree | f37fedd203f93102e6ca4b33dc6707f75b7b07ae /drivers/tty | |
| parent | 8ef795653d753e3d6ae67e6f4a0168ff3c059deb (diff) | |
| download | linux-stable-74cdf8cec7dd4c9c06533555a49b4afb429cb5be.tar.gz linux-stable-74cdf8cec7dd4c9c06533555a49b4afb429cb5be.tar.bz2 linux-stable-74cdf8cec7dd4c9c06533555a49b4afb429cb5be.zip | |
serial: milbeaut_usio: Fix error handling in probe and remove
devm_clk_get() is used so there is no reason to explicitly call
clk_put() in probe or remove functions. Also remove duplicate assign
for port->membase.
Fixes: ba44dc043004 ("serial: Add Milbeaut serial control")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Tested-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/milbeaut_usio.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/tty/serial/milbeaut_usio.c b/drivers/tty/serial/milbeaut_usio.c index 4a10604211be..949ab7efc4fc 100644 --- a/drivers/tty/serial/milbeaut_usio.c +++ b/drivers/tty/serial/milbeaut_usio.c @@ -525,8 +525,6 @@ static int mlb_usio_probe(struct platform_device *pdev) ret = -ENODEV; goto failed; } - port->mapbase = res->start; - port->membase = ioremap(res->start, (res->end - res->start + 1)); port->membase = devm_ioremap(&pdev->dev, res->start, resource_size(res)); @@ -548,16 +546,12 @@ static int mlb_usio_probe(struct platform_device *pdev) ret = uart_add_one_port(&mlb_usio_uart_driver, port); if (ret) { dev_err(&pdev->dev, "Adding port failed: %d\n", ret); - goto failed1; + goto failed; } return 0; -failed1: - iounmap(port->membase); - failed: clk_disable_unprepare(clk); - clk_put(clk); return ret; } @@ -569,7 +563,6 @@ static int mlb_usio_remove(struct platform_device *pdev) uart_remove_one_port(&mlb_usio_uart_driver, port); clk_disable_unprepare(clk); - clk_put(clk); return 0; } |