diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2020-03-23 15:00:06 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-23 20:05:23 +0100 |
| commit | bbde5709ee4f60a43b7372545454947044655728 (patch) | |
| tree | 122b55772c4af176a7f753a20c4bf1aaf115ec26 /drivers/nvmem | |
| parent | 4bd5a15d933c1703910c756d961dbbd2e6d52181 (diff) | |
nvmem: mxs-ocotp: Use devm_add_action_or_reset() for cleanup
Use devm_add_action_or_reset() for cleanup to call clk_unprepare(),
which can simplify the error handling in .probe, and .remove callback
can be dropped.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200323150007.7487-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem')
| -rw-r--r-- | drivers/nvmem/mxs-ocotp.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c index 8e4898dec002..588ab56d75b7 100644 --- a/drivers/nvmem/mxs-ocotp.c +++ b/drivers/nvmem/mxs-ocotp.c @@ -130,6 +130,11 @@ static const struct of_device_id mxs_ocotp_match[] = { }; MODULE_DEVICE_TABLE(of, mxs_ocotp_match); +static void mxs_ocotp_action(void *data) +{ + clk_unprepare(data); +} + static int mxs_ocotp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -160,39 +165,26 @@ static int mxs_ocotp_probe(struct platform_device *pdev) return ret; } + ret = devm_add_action_or_reset(&pdev->dev, mxs_ocotp_action, otp->clk); + if (ret) + return ret; + data = match->data; ocotp_config.size = data->size; ocotp_config.priv = otp; ocotp_config.dev = dev; otp->nvmem = devm_nvmem_register(dev, &ocotp_config); - if (IS_ERR(otp->nvmem)) { - ret = PTR_ERR(otp->nvmem); - goto err_clk; - } + if (IS_ERR(otp->nvmem)) + return PTR_ERR(otp->nvmem); platform_set_drvdata(pdev, otp); return 0; - -err_clk: - clk_unprepare(otp->clk); - - return ret; -} - -static int mxs_ocotp_remove(struct platform_device *pdev) -{ - struct mxs_ocotp *otp = platform_get_drvdata(pdev); - - clk_unprepare(otp->clk); - - return 0; } static struct platform_driver mxs_ocotp_driver = { .probe = mxs_ocotp_probe, - .remove = mxs_ocotp_remove, .driver = { .name = "mxs-ocotp", .of_match_table = mxs_ocotp_match, |