diff options
| author |   Vignesh Raghavendra <vigneshr@ti.com> | 2020-05-26 15:33:40 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-26 21:33:54 -0400 |
| commit | 22617e21633142dd2b81541cb3b95d6fb59aa85f (patch) | |
| tree | 66f8a3ac71ae1015374648bad8de2cb52c99e6cb /drivers/scsi/ufs/ti-j721e-ufs.c | |
| parent | scsi: cxgb3i: Fix some leaks in init_act_open() (diff) | |
| download | wireguard-linux-22617e21633142dd2b81541cb3b95d6fb59aa85f.tar.xz wireguard-linux-22617e21633142dd2b81541cb3b95d6fb59aa85f.zip | |
scsi: ufs: ti-j721e-ufs: Fix unwinding of pm_runtime changes
Fix unwinding of pm_runtime changes when bailing out of driver probe due to
a failure and also on removal of driver.
Link: https://lore.kernel.org/r/20200526100340.15032-1-vigneshr@ti.com
Fixes: 6979e56cec97 ("scsi: ufs: Add driver for TI wrapper for Cadence UFS IP")
Reported-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ti-j721e-ufs.c')
| -rw-r--r-- | drivers/scsi/ufs/ti-j721e-ufs.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ti-j721e-ufs.c b/drivers/scsi/ufs/ti-j721e-ufs.c index 5216d228cdd9..46bb905b4d6a 100644 --- a/drivers/scsi/ufs/ti-j721e-ufs.c +++ b/drivers/scsi/ufs/ti-j721e-ufs.c @@ -32,14 +32,14 @@ static int ti_j721e_ufs_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (ret < 0) { pm_runtime_put_noidle(dev); - return ret; + goto disable_pm; } /* Select MPHY refclk frequency */ clk = devm_clk_get(dev, NULL); if (IS_ERR(clk)) { dev_err(dev, "Cannot claim MPHY clock.\n"); - return PTR_ERR(clk); + goto clk_err; } clk_rate = clk_get_rate(clk); if (clk_rate == 26000000) @@ -54,16 +54,23 @@ static int ti_j721e_ufs_probe(struct platform_device *pdev) dev); if (ret) { dev_err(dev, "failed to populate child nodes %d\n", ret); - pm_runtime_put_sync(dev); + goto clk_err; } return ret; + +clk_err: + pm_runtime_put_sync(dev); +disable_pm: + pm_runtime_disable(dev); + return ret; } static int ti_j721e_ufs_remove(struct platform_device *pdev) { of_platform_depopulate(&pdev->dev); pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); return 0; } |