diff options
| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | 2013-10-17 14:08:04 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-19 19:47:37 -0700 |
| commit | 991fc259361eb812ebf6c4527343d60ab4b2e1a6 (patch) | |
| tree | 7c2493984d5d620d4f0d12682120158b6381bbec /drivers/tty/serial/xilinx_uartps.c | |
| parent | 731d9cae0204a8948c7db2f551edcd5d5822ed95 (diff) | |
| download | op-kernel-dev-991fc259361eb812ebf6c4527343d60ab4b2e1a6.zip op-kernel-dev-991fc259361eb812ebf6c4527343d60ab4b2e1a6.tar.gz | |
tty: xuartps: Use devm_clk_get()
Use the device managed interface for clocks, simplifying error paths.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/xilinx_uartps.c')
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 7e4150a..103ba88 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -953,23 +953,23 @@ static int xuartps_probe(struct platform_device *pdev) if (!xuartps_data) return -ENOMEM; - xuartps_data->aperclk = clk_get(&pdev->dev, "aper_clk"); + xuartps_data->aperclk = devm_clk_get(&pdev->dev, "aper_clk"); if (IS_ERR(xuartps_data->aperclk)) { dev_err(&pdev->dev, "aper_clk clock not found.\n"); rc = PTR_ERR(xuartps_data->aperclk); goto err_out_free; } - xuartps_data->refclk = clk_get(&pdev->dev, "ref_clk"); + xuartps_data->refclk = devm_clk_get(&pdev->dev, "ref_clk"); if (IS_ERR(xuartps_data->refclk)) { dev_err(&pdev->dev, "ref_clk clock not found.\n"); rc = PTR_ERR(xuartps_data->refclk); - goto err_out_clk_put_aper; + goto err_out_free; } rc = clk_prepare_enable(xuartps_data->aperclk); if (rc) { dev_err(&pdev->dev, "Unable to enable APER clock.\n"); - goto err_out_clk_put; + goto err_out_free; } rc = clk_prepare_enable(xuartps_data->refclk); if (rc) { @@ -1020,10 +1020,6 @@ err_out_clk_disable: clk_disable_unprepare(xuartps_data->refclk); err_out_clk_dis_aper: clk_disable_unprepare(xuartps_data->aperclk); -err_out_clk_put: - clk_put(xuartps_data->refclk); -err_out_clk_put_aper: - clk_put(xuartps_data->aperclk); err_out_free: kfree(xuartps_data); @@ -1047,8 +1043,6 @@ static int xuartps_remove(struct platform_device *pdev) port->mapbase = 0; clk_disable_unprepare(xuartps_data->refclk); clk_disable_unprepare(xuartps_data->aperclk); - clk_put(xuartps_data->refclk); - clk_put(xuartps_data->aperclk); kfree(xuartps_data); return rc; } |
