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Wed, 09 Nov 2016 14:24:08 +0000 (GMT) From: Marek Szyprowski To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: Marek Szyprowski , Sylwester Nawrocki , Krzysztof Kozlowski , Ulf Hansson , Bartlomiej Zolnierkiewicz , Javier Martinez Canillas Subject: [PATCH 05/12] exynos-gsc: Fixup clock management at ->remove() Date: Wed, 09 Nov 2016 15:23:54 +0100 Message-id: <1478701441-29107-6-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1478701441-29107-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLIsWRmVeSWpSXmKPExsWy7djP87pdhsoRBhtvy1psnLGe1eLN2zVM FufPb2C36NmwldVixvl9TBZrj9xltzj8pp3V4vjacAcOj02rOtk87lzbw+axpf8uu0ffllWM Hp83yQWwRnHZpKTmZJalFunbJXBlbJn+jaWgi6ti+fNG1gbGWxxdjBwcEgImEh+nyXcxcgKZ YhIX7q1n62Lk4hASWMYocbR7JpTzmVFiYt9cVogqE4k7LZsRql7PWMoC4TQwSfxZNpcJpIpN wFCi620XG4gtIuAksXDWX3aQImaBWUwSEyfuYwFJCAu4S9y+OYsdxGYRUJX49ngjmM0r4CEx +/UHNoh1chInj00GW80p4Cmx6shNVpBBEgKf2STWfvrECPGErMSmA8wQ9S4SzVPnQJ0qLPHq +BZ2CFtGorPjIBOE3c8o0dSqDWHPYJQ495YXwraWOHz8IlgvswCfxKRt05khxvNKdLQJQZR4 SBx5vgBqjKPE/JWHWCGen8Mo0bX8B8sERpkFjAyrGEVSS4tz01OLDfWKE3OLS/PS9ZLzczcx AiP59L/j73cwPm0OOcQowMGoxMPboakcIcSaWFZcmXuIUYKDWUmEd6YBUIg3JbGyKrUoP76o NCe1+BCjNAeLkjjv3gVXwoUE0hNLUrNTUwtSi2CyTBycUg2Mm1Pyg3MP7593ISRyU+lKSafr bKFBp/ujlsjv6Ps9bd/KBc+d13AyhahJRWxvWvnipugFtgvK3uuLM/u+Tpb92jpPq9VmeblO 8rq7BRlHvgbrZttMScy7f40rd9mfVa2Hxdev3rD3+wqFLN5vu2fk3507kVlpa8/jklxn566D S3zm9CoeCT1Up8RSnJFoqMVcVJwIAOs8TibgAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRmVeSWpSXmKPExsVy+t/xK7qdhsoRBhM7WS02zljPavHm7Rom i/PnN7Bb9GzYymox4/w+Jou1R+6yWxx+085qcXxtuAOHx6ZVnWwed67tYfPY0n+X3aNvyypG j8+b5AJYo9xsMlITU1KLFFLzkvNTMvPSbZVCQ9x0LZQU8hJzU22VInR9Q4KUFMoSc0qBPCMD NODgHOAerKRvl+CWsWX6N5aCLq6K5c8bWRsYb3F0MXJySAiYSNxp2cwGYYtJXLi3Hsjm4hAS WMIo8bDrNAuE08Qk8e7bVLAqNgFDia63XWC2iICTxMJZf9lBipgFZjFJTO5bwgKSEBZwl7h9 cxY7iM0ioCrx7fFGMJtXwENi9usPUOvkJE4em8wKYnMKeEqsOnITzBYCqtm6fBbjBEbeBYwM qxhFUkuLc9Nziw31ihNzi0vz0vWS83M3MQLDetuxn5t3MF7aGHyIUYCDUYmHt0NTOUKINbGs uDL3EKMEB7OSCO9MA6AQb0piZVVqUX58UWlOavEhRlOgoyYyS4km5wNjLq8k3tDE0NzS0MjY wsLcyEhJnLfkw5VwIYH0xJLU7NTUgtQimD4mDk6pBkavLseYRav2OGyRa9+XqGDUIXdUtf+J iYy90QP2X7ZKR3TVf+Wed73ZJt3xy3uPI3+G6IT+xyGWTTa3rbyyl6WJB30vVfu8MnCdvOaR QkNV7z8XT3ttTuy9euEe8/Ezl25MmfRxNa+36d7n9kVrFJuflIesT1nF1nb6+/KIHZsnPZ3I vKe8Zp4SS3FGoqEWc1FxIgByA+tHgQIAAA== X-MTR: 20000000000000000@CPGS X-CMS-MailID: 20161109142409eucas1p1984158008caee2ed6645bfa3666e8900 X-Msg-Generator: CA X-Sender-IP: 182.198.249.179 X-Local-Sender: =?UTF-8?B?TWFyZWsgU3p5cHJvd3NraRtTUlBPTC1LZXJuZWwgKFRQKRs=?= =?UTF-8?B?7IK87ISx7KCE7J6QG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?= X-Global-Sender: =?UTF-8?B?TWFyZWsgU3p5cHJvd3NraRtTUlBPTC1LZXJuZWwgKFRQKRtT?= =?UTF-8?B?YW1zdW5nIEVsZWN0cm9uaWNzG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?= X-Sender-Code: =?UTF-8?B?QzEwG0VIURtDMTBDRDAyQ0QwMjczOTI=?= CMS-TYPE: 201P X-HopCount: 7 X-CMS-RootMailID: 20161109142409eucas1p1984158008caee2ed6645bfa3666e8900 X-RootMTR: 20161109142409eucas1p1984158008caee2ed6645bfa3666e8900 References: <1478701441-29107-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org From: Ulf Hansson To make sure the clock is fully gated in ->remove(), we first need to to bring the device into full power by invoking pm_runtime_get_sync(). Then, let's both unprepare and disable the clock. Signed-off-by: Ulf Hansson [mszyprow: rebased onto v4.9-rc4] Signed-off-by: Marek Szyprowski --- drivers/media/platform/exynos-gsc/gsc-core.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 7e99fda..1d3bde3 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1082,12 +1082,15 @@ static int gsc_remove(struct platform_device *pdev) { struct gsc_dev *gsc = platform_get_drvdata(pdev); + pm_runtime_get_sync(&pdev->dev); + gsc_unregister_m2m_device(gsc); v4l2_device_unregister(&gsc->v4l2_dev); vb2_dma_contig_clear_max_seg_size(&pdev->dev); - pm_runtime_disable(&pdev->dev); - clk_unprepare(gsc->clock); + clk_disable_unprepare(gsc->clock); + + pm_runtime_put_noidle(&pdev->dev); dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name); return 0;