From patchwork Wed Dec 6 10:12:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 750911 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="cz2haK2O" Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67F38D67; Wed, 6 Dec 2023 02:12:57 -0800 (PST) Received: from [127.0.1.1] (91-158-149-209.elisa-laajakaista.fi [91.158.149.209]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id BEFD21F73; Wed, 6 Dec 2023 11:12:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1701857532; bh=kTEQJAdraKwrzcd8ZJfODsKyAzCts6sPzE51t6mPv5U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cz2haK2OD5bPWnsON1BgC7pXGyYxdoSU5/LFsDYGcDMEQKRBpbOa9angdhJunGisq +toHkNLKqCXqRr/o8MhkAPkDmg3jCoKpMCOFqR6oCXzOrWeAgMsvSHH70cTgQ37YaU pRcQOWuWBntCvDjIqAqJ++QzXsF/GYzSy3UJYaOQ= From: Tomi Valkeinen Date: Wed, 06 Dec 2023 12:12:29 +0200 Subject: [PATCH v2 2/4] media: rkisp1: Fix IRQ handler return values Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231206-rkisp-irq-fix-v2-2-6ba4185eeb1f@ideasonboard.com> References: <20231206-rkisp-irq-fix-v2-0-6ba4185eeb1f@ideasonboard.com> In-Reply-To: <20231206-rkisp-irq-fix-v2-0-6ba4185eeb1f@ideasonboard.com> To: Dafna Hirschfeld , Laurent Pinchart , Mauro Carvalho Chehab , Heiko Stuebner , Paul Elder Cc: Alexander Stein , kieran.bingham@ideasonboard.com, umang.jain@ideasonboard.com, aford173@gmail.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1657; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=kTEQJAdraKwrzcd8ZJfODsKyAzCts6sPzE51t6mPv5U=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBlcEkhBdljqzcxdBz+n0Wffu84QmzeeRNvsvGC9 cGZSQNUbE+JAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZXBJIQAKCRD6PaqMvJYe 9aUMD/sECwuIEzxXDMinK22ykn6sULYtxlmWoqQFVcpYw+bgJVHt+hioXxZCPYN3ombSxlxQvUP XAf9qCLnbP6ywYh/g2iz/pf2CUJ8lr2vwMgD/mn+krMg3H0RubK5JM2mDdxp4Q/41VR6ETh+el1 /9xu2KTLFtOvjltjNUANLQJr8a16LwuDh8Ah5GtaD/T3qaVx7/ztWxkhCmKMn501fvi1lWHkwb3 6INakLtaDUMWNK33/ves8vzO77xQwemh9VBeh+Si8npZjrUDuui31TZcrdE9J3P66MLC3avRfVx NzE030mRNOv6eYYpXloFk1yCeCDdsSC4hae7M7YUyKPtUy0xnhHb4GFdzI52a3B3uZNp0KumFA6 /WVfNjO1scszA5xbpCUmiQVNTewp4GYp0jIRm39SBqA+M2Bvts2aydSdIGRmlsja2Fm7nGa2upJ V4XOnY+Kd2NI1REQ67usKfmPk5TXUALa9KpqGGeIBYeuFZn37joHclghA7Tjr96hAjmnBqOqILu DsVaqLUsQjaEV/batt9ydgvTYOq97ISZW2gZrmbCoLbxExWCsdL2Q1sNTtijABONT2r5lB3xBJZ dKeb0vSidXxLX4g0Gwon37xOsfFbpPP+lNSem+uVNur/4R7fOWj++2pGUM1k0VxDgLmYh1lGff8 wBMUB02ZqLQ45CQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 The IRQ handler rkisp1_isr() calls sub-handlers, all of which returns an irqreturn_t value, but rkisp1_isr() ignores those values and always returns IRQ_HANDLED. Fix this by collecting the return values, and returning IRQ_HANDLED or IRQ_NONE as appropriate. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index d4950294b7b9..030eb8c79546 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -444,17 +444,25 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1) static irqreturn_t rkisp1_isr(int irq, void *ctx) { + irqreturn_t ret = IRQ_NONE; + /* * Call rkisp1_capture_isr() first to handle the frame that * potentially completed using the current frame_sequence number before * it is potentially incremented by rkisp1_isp_isr() in the vertical * sync. */ - rkisp1_capture_isr(irq, ctx); - rkisp1_isp_isr(irq, ctx); - rkisp1_csi_isr(irq, ctx); - return IRQ_HANDLED; + if (rkisp1_capture_isr(irq, ctx) == IRQ_HANDLED) + ret = IRQ_HANDLED; + + if (rkisp1_isp_isr(irq, ctx) == IRQ_HANDLED) + ret = IRQ_HANDLED; + + if (rkisp1_csi_isr(irq, ctx) == IRQ_HANDLED) + ret = IRQ_HANDLED; + + return ret; } static const char * const px30_isp_clks[] = {