On Tue, 2015-11-24 at 19:12 +0100, Matthias Brugger wrote:
>
> On 24/11/15 03:38, Leilk Liu wrote:
> > This patch revises failure flow while pm_runtime_enable().
>
> Please write a proper commit message explaining what this patch does.
>
OK, thanks!
> >
> > Signed-off-by: Leilk Liu <leilk....@mediatek.com>
> > ---
> > drivers/spi/spi-mt65xx.c | 15 ++++++++-------
> > 1 file changed, 8 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
> > index 6c1a96e..00a36da 100644
> > --- a/drivers/spi/spi-mt65xx.c
> > +++ b/drivers/spi/spi-mt65xx.c
> > @@ -607,7 +607,8 @@ static int mtk_spi_probe(struct platform_device *pdev)
> > ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk);
> > if (ret < 0) {
> > dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret);
> > - goto err_disable_clk;
> > + clk_disable_unprepare(mdata->spi_clk);
> > + goto err_put_master;
> > }
> >
> > clk_disable_unprepare(mdata->spi_clk);
> > @@ -617,7 +618,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
> > ret = devm_spi_register_master(&pdev->dev, master);
> > if (ret) {
> > dev_err(&pdev->dev, "failed to register master (%d)\n", ret);
> > - goto err_put_master;
> > + goto err_disable_runtime_pm;
> > }
> >
> > if (mdata->dev_comp->need_pad_sel) {
> > @@ -626,14 +627,14 @@ static int mtk_spi_probe(struct platform_device *pdev)
> > "pad_num does not match num_chipselect(%d !=
> > %d)\n",
> > mdata->pad_num, master->num_chipselect);
> > ret = -EINVAL;
> > - goto err_put_master;
> > + goto err_disable_runtime_pm;
> > }
> >
> > if (!master->cs_gpios && master->num_chipselect > 1) {
> > dev_err(&pdev->dev,
> > "cs_gpios not specified and num_chipselect >
> > 1\n");
> > ret = -EINVAL;
> > - goto err_put_master;
> > + goto err_disable_runtime_pm;
> > }
> >
> > if (master->cs_gpios) {
> > @@ -644,7 +645,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
> > if (ret) {
> > dev_err(&pdev->dev,
> > "can't get CS GPIO %i\n", i);
> > - goto err_put_master;
> > + goto err_disable_runtime_pm;
> > }
> > }
> > }
> > @@ -652,8 +653,8 @@ static int mtk_spi_probe(struct platform_device *pdev)
> >
> > return 0;
> >
> > -err_disable_clk:
> > - clk_disable_unprepare(mdata->spi_clk);
> > +err_disable_runtime_pm:
> > + pm_runtime_disable(&pdev->dev);
> > err_put_master:
> > spi_master_put(master);
> >
> >
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