From: Damon Ding <damon.ding@rock-chips.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Jingoo Han <jingoohan1@gmail.com>,
Inki Dae <inki.dae@samsung.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Peter Griffin <peter.griffin@linaro.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Heiko Stuebner <heiko@sntech.de>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org,
Damon Ding <damon.ding@rock-chips.com>,
Sashiko <sashiko-bot@kernel.org>
Subject: [PATCH v3 02/14] drm/bridge: analogix_dp: Check all negative return values for &analogix_dp_device.irq
Date: Mon, 28 Sep 2026 16:14:06 +0800 [thread overview]
Message-ID: <20260928081418.3605775-3-damon.ding@rock-chips.com> (raw)
In-Reply-To: <20260928081418.3605775-1-damon.ding@rock-chips.com>
Currently only -ENXIO is checked for dp->irq from gpiod_to_irq(),
which ignores other possible error codes like -EPROBE_DEFER, -ENOENT.
Check for any negative value instead, and propagate the actual error
code rather than hardcoding -ENODEV.
Reported-by: Sashiko <sashiko-bot@kernel.org>
Link: https://lore.kernel.org/all/20260804083307.84ECA1F000E9@smtp.kernel.org/
Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
---
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 079f2f01f33b..27c9a764e25f 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1480,9 +1480,9 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
irq_flags = IRQF_NO_AUTOEN;
}
- if (dp->irq == -ENXIO) {
+ if (dp->irq < 0) {
dev_err(&pdev->dev, "failed to get irq\n");
- return ERR_PTR(-ENODEV);
+ return ERR_PTR(dp->irq);
}
ret = devm_request_threaded_irq(&pdev->dev, dp->irq,
--
2.34.1
next prev parent reply other threads:[~2026-09-28 8:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 8:14 [PATCH v3 00/14] Add HPD support for Rockchip Analogix DP Damon Ding
2026-09-28 8:14 ` [PATCH v3 01/14] drm/bridge: analogix_dp: Return bitmask from analogix_dp_get_irq_type() Damon Ding
2026-09-28 8:14 ` Damon Ding [this message]
2026-09-28 8:14 ` [PATCH v3 03/14] drm/bridge: analogix_dp: Add IRQF_ONESHOT and simplify IRQ handling Damon Ding
2026-09-28 8:14 ` [PATCH v3 04/14] drm/bridge: analogix_dp: Extend clear_hotplug_interrupts to accept IRQ bitmask Damon Ding
2026-09-28 8:14 ` [PATCH v3 05/14] drm/bridge: analogix_dp: Extend mute/unmute HPD interrupts to accept irq bitmask Damon Ding
2026-09-28 8:14 ` [PATCH v3 06/14] drm/bridge: analogix_dp: Simplify analogix_dp_config_interrupt() Damon Ding
2026-09-28 8:14 ` [PATCH v3 07/14] drm/bridge: analogix_dp: Use platform-specific HPD detection scheme Damon Ding
2026-09-28 8:14 ` [PATCH v3 08/14] drm/bridge: analogix_dp: Skip native HPD interrupt ops for GPIO HPD Damon Ding
2026-09-28 8:14 ` [PATCH v3 09/14] drm/bridge: analogix_dp: Move IRQ enable/disable to bind/unbind Damon Ding
2026-09-28 8:14 ` [PATCH v3 10/14] drm/bridge: analogix_dp: Manage pm runtime and IRQ for native HPD pin detection Damon Ding
2026-09-28 8:14 ` [PATCH v3 11/14] drm/bridge: analogix_dp: Use bridge->next_bridge instead of plat_data field Damon Ding
2026-09-28 8:14 ` [PATCH v3 12/14] drm/bridge: analogix_dp: Restrict forced connected status to panel endpoints Damon Ding
2026-09-28 8:14 ` [PATCH v3 13/14] drm/bridge: analogix_dp: Handle HPD notification from downstream bridge Damon Ding
2026-09-28 8:14 ` [PATCH v3 14/14] MAINTAINERS: Add entry for Analogix DP controller bridge Damon Ding
2026-09-28 12:02 ` [PATCH v3 00/14] Add HPD support for Rockchip Analogix DP Heiko Stübner
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