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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a8543ab76bsm9408706a91.13.2026.10.07.03.50.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2026 03:50:35 -0700 (PDT) From: phucduc.bui@gmail.com To: Alex Lanzano , David Airlie , Simona Vetter , Dmitry Baryshkov , Mehdi Djait , u.kleine-koenig@baylibre.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , bui duc phuc Subject: [PATCH] drm/tiny: sharp-memory: handle enable GPIO errors Date: Wed, 7 Oct 2026 17:50:23 +0700 Message-ID: <20261007105023.507855-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc devm_gpiod_get_optional() may return -EPROBE_DEFER or other errors, but sharp_memory_probe() currently ignores them. Check the return value and propagate errors from the enable GPIO lookup. Fixes: b8f9f21716fe ("drm/tiny: Add driver for Sharp Memory LCD") Signed-off-by: bui duc phuc --- drivers/gpu/drm/tiny/sharp-memory.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/tiny/sharp-memory.c b/drivers/gpu/drm/tiny/sharp-memory.c index 7efd7b567f3b..35254a2136c9 100644 --- a/drivers/gpu/drm/tiny/sharp-memory.c +++ b/drivers/gpu/drm/tiny/sharp-memory.c @@ -552,6 +552,9 @@ static int sharp_memory_probe(struct spi_device *spi) return dev_err_probe(dev, ret, "Failed to initialize drm config\n"); smd->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(smd->enable_gpio)) + return dev_err_probe(dev, PTR_ERR(smd->enable_gpio), + "Failed to get enable gpio\n"); if (!smd->enable_gpio) dev_warn(dev, "Enable gpio not defined\n"); -- 2.43.0