From mboxrd@z Thu Jan 1 00:00:00 1970 From: lei liu Subject: Re: [PATCH 4/4] spi: mediatek: revise mtk_spi_probe() failure flow Date: Tue, 24 Nov 2015 10:33:24 +0800 Message-ID: <1448332404.27169.4.camel@mhfsdcap03> References: <1447986080-31410-1-git-send-email-leilk.liu@mediatek.com> <1447986080-31410-4-git-send-email-leilk.liu@mediatek.com> <20151121133949.GH26072@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20151121133949.GH26072-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown Cc: Mark Rutland , Matthias Brugger , Sascha Hauer , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Sat, 2015-11-21 at 13:39 +0000, Mark Brown wrote: > On Fri, Nov 20, 2015 at 10:21:19AM +0800, Leilk Liu wrote: > > This patch revises failure flow while pm_runtime_enable(). > > Why? This also doesn't apply against current code, please check and > resend. I don't know. I can git am this patch to spi/for-next. I will resend it, please help to apply it again, thanks. > > > > Signed-off-by: Leilk Liu > > --- > > 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); > > > > -- > > 1.7.9.5 > > > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html