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Thu, 24 Apr 2025 11:35:53 -0700 (PDT) Received: from NB-GIGA003.letovo.school ([5.194.95.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-309ef0b9df8sm1744660a91.35.2025.04.24.11.35.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Apr 2025 11:35:52 -0700 (PDT) From: Alexey Charkov Subject: [PATCH 0/5] irqchip: vt8500: Cleanups and fixes for the irq-vt8500 driver Date: Thu, 24 Apr 2025 22:35:41 +0400 Message-Id: <20250424-vt8500-intc-updates-v1-0-4ab7397155b3@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAH2ECmgC/x3MQQqAIBBA0avErBswtaiuEi0Gm2o2FmoSRHdPW r7F/w9EDsIRxuqBwFmiHL6gqStwO/mNUZZi0Eq3ymqLOfWtUig+ObzOhRJHdKazZBoyHQ1QyjP wKvd/neb3/QD0R0jxZQAAAA== X-Change-ID: 20250424-vt8500-intc-updates-c364a31a36a9 To: Thomas Gleixner , Krzysztof Kozlowski Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexey Charkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745519768; l=1132; i=alchark@gmail.com; s=20250416; h=from:subject:message-id; bh=WzzRwbVxwU4Sg9QhOUPRQ+o57o2byuloGKZZsxSfWSA=; b=+hqUgicjwuEpZL3HXzOsh/RoNZKxU+jDbd1zr3Uh/hKjekwV+nwr+AJJSjsYNyvjgTelkhsSU sJtPdTkrq1OCsgR10uKQcOeWMBaYDqNYQNKAYlGIBe9JfsiCAHlx5QP X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=ltKbQzKLTJPiDgPtcHxdo+dzFthCCMtC3V9qf7+0rkc= Fix the logic of ack/mask functions to actually do what their semantics implies instead of lumping both actions into one. Also rework the chained interrupts handling using common kernel infrastructure, while getting rid of a boot-time WARN_ON due to a misplaced call to enable_irq. Apparently neither edge-triggered interrupts nor chained interrupts had any users, so nobody complained in 15 years. Signed-off-by: Alexey Charkov --- Alexey Charkov (5): irqchip: vt8500: Split up ack/mask functions irqchip: vt8500: Drop redundant copy of the device node pointer irqchip: vt8500: Don't require 8 interrupts from a chained controller irqchip: vt8500: Use a dedicated chained handler function irqchip: vt8500: Use fewer global variables and add error handling drivers/irqchip/irq-vt8500.c | 149 +++++++++++++++++++++++-------------------- 1 file changed, 80 insertions(+), 69 deletions(-) --- base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8 change-id: 20250424-vt8500-intc-updates-c364a31a36a9 Best regards, -- Alexey Charkov