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Mon, 29 Aug 2022 09:16:24 -0400 (EDT) From: Maxime Ripard To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Jernej Skrabec , Samuel Holland , Karol Herbst , =?utf-8?q?Noralf_Tr=C3=B8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen Cc: Maxime Ripard , Hans de Goede , linux-arm-kernel@lists.infradead.org, Phil Elwell , intel-gfx@lists.freedesktop.org, Dave Stevenson , dri-devel@lists.freedesktop.org, Dom Cobley , linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Mateusz Kwiatkowski , Geert Uytterhoeven Subject: [PATCH v2 40/41] drm/sun4i: tv: Add missing reset assertion Date: Mon, 29 Aug 2022 15:11:54 +0200 Message-Id: <20220728-rpi-analog-tv-properties-v2-40-459522d653a7@cerno.tech> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> MIME-Version: 1.0 X-Mailer: b4 0.10.0-dev-65ba7 X-Developer-Signature: v=1; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The reset line is deasserted at bind, and asserted if we ever encounter an error there. However, it's never asserted in unbind which will lead to a resource unbalance. Signed-off-by: Maxime Ripard Reviewed-by: Jernej Skrabec diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index ad6a3739bfa9..74ff5ad6a8b9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -605,6 +605,7 @@ static void sun4i_tv_unbind(struct device *dev, struct device *master, drm_connector_cleanup(&tv->connector); drm_encoder_cleanup(&tv->encoder); clk_disable_unprepare(tv->clk); + reset_control_assert(tv->reset); } static const struct component_ops sun4i_tv_ops = {