From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leilk Liu Subject: [PATCH v3 3/4] spi: mediatek: add PM clk_prepare_enable fail flow Date: Mon, 24 Aug 2015 11:45:17 +0800 Message-ID: <1440387918-22191-4-git-send-email-leilk.liu@mediatek.com> References: <1440387918-22191-1-git-send-email-leilk.liu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Mark Rutland , Matthias Brugger , Sascha Hauer , , , , , , Leilk Liu To: Mark Brown Return-path: In-Reply-To: <1440387918-22191-1-git-send-email-leilk.liu@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org This patch adds PM clk_prepare_enable fail flow. Signed-off-by: Leilk Liu --- drivers/spi/spi-mt65xx.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index f81618c..e14f583 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -665,8 +665,10 @@ static int mtk_spi_resume(struct device *dev) if (!pm_runtime_suspended(dev)) { ret = clk_prepare_enable(mdata->spi_clk); - if (ret < 0) + if (ret < 0) { + dev_err(dev, "failed to enable spi_clk (%d)\n", ret); return ret; + } } ret = spi_master_resume(master); @@ -692,8 +694,15 @@ static int mtk_spi_runtime_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct mtk_spi *mdata = spi_master_get_devdata(master); + int ret; + + ret = clk_prepare_enable(mdata->spi_clk); + if (ret < 0) { + dev_err(dev, "failed to enable spi_clk (%d)\n", ret); + return ret; + } - return clk_prepare_enable(mdata->spi_clk); + return 0; } #endif /* CONFIG_PM */ -- 1.8.1.1.dirty