| Message ID | 20240826124903.3429235-2-ruanjinjie@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spi: bcmbca-hsspi: Fix missing pm_runtime_disable() | expand |
Hi Jinjie, > -----Original Message----- > From: Jinjie Ruan <ruanjinjie@huawei.com> > Sent: Monday, August 26, 2024 5:49 AM > To: william.zhang@broadcom.com; kursad.oney@broadcom.com; > jonas.gorski@gmail.com; bcm-kernel-feedback-list@broadcom.com; > broonie@kernel.org; anand.gore@broadcom.com; > florian.fainelli@broadcom.com; rafal@milecki.pl; linux-spi@vger.kernel.org; > linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org > Cc: ruanjinjie@huawei.com > Subject: [PATCH -next 1/2] spi: bcmbca-hsspi: Fix missing > pm_runtime_disable() > > The pm_runtime_disable() is missing in remove function, use > devm_pm_runtime_enable() to fix it. So the pm_runtime_disable() in > the probe error path can also be removed. > > Fixes: a38a2233f23b ("spi: bcmbca-hsspi: Add driver for newer HSSPI > controller") > Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> > --- > drivers/spi/spi-bcmbca-hsspi.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/spi/spi-bcmbca-hsspi.c b/drivers/spi/spi-bcmbca-hsspi.c > index e48a56c68ce7..f465daa473d0 100644 > --- a/drivers/spi/spi-bcmbca-hsspi.c > +++ b/drivers/spi/spi-bcmbca-hsspi.c > @@ -539,12 +539,14 @@ static int bcmbca_hsspi_probe(struct > platform_device *pdev) > goto out_put_host; > } > > - pm_runtime_enable(&pdev->dev); > + ret = devm_pm_runtime_enable(&pdev->dev); > + if (ret) > + goto out_put_host; > > ret = sysfs_create_group(&pdev->dev.kobj, &bcmbca_hsspi_group); > if (ret) { > dev_err(&pdev->dev, "couldn't register sysfs group\n"); > - goto out_pm_disable; > + goto out_put_host; > } > > /* register and we are done */ > @@ -558,8 +560,6 @@ static int bcmbca_hsspi_probe(struct > platform_device *pdev) > > out_sysgroup_disable: > sysfs_remove_group(&pdev->dev.kobj, &bcmbca_hsspi_group); > -out_pm_disable: > - pm_runtime_disable(&pdev->dev); > out_put_host: > spi_controller_put(host); > out_disable_pll_clk: > -- > 2.34.1 Reviewed-by: William Zhang <william.zhang@broadcom.com>
diff --git a/drivers/spi/spi-bcmbca-hsspi.c b/drivers/spi/spi-bcmbca-hsspi.c index e48a56c68ce7..f465daa473d0 100644 --- a/drivers/spi/spi-bcmbca-hsspi.c +++ b/drivers/spi/spi-bcmbca-hsspi.c @@ -539,12 +539,14 @@ static int bcmbca_hsspi_probe(struct platform_device *pdev) goto out_put_host; } - pm_runtime_enable(&pdev->dev); + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + goto out_put_host; ret = sysfs_create_group(&pdev->dev.kobj, &bcmbca_hsspi_group); if (ret) { dev_err(&pdev->dev, "couldn't register sysfs group\n"); - goto out_pm_disable; + goto out_put_host; } /* register and we are done */ @@ -558,8 +560,6 @@ static int bcmbca_hsspi_probe(struct platform_device *pdev) out_sysgroup_disable: sysfs_remove_group(&pdev->dev.kobj, &bcmbca_hsspi_group); -out_pm_disable: - pm_runtime_disable(&pdev->dev); out_put_host: spi_controller_put(host); out_disable_pll_clk:
The pm_runtime_disable() is missing in remove function, use devm_pm_runtime_enable() to fix it. So the pm_runtime_disable() in the probe error path can also be removed. Fixes: a38a2233f23b ("spi: bcmbca-hsspi: Add driver for newer HSSPI controller") Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- drivers/spi/spi-bcmbca-hsspi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)