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[80.71.134.83]) by smtp.gmail.com with ESMTPSA id f26-20020a17090631da00b007b27aefc578sm5411835ejf.126.2022.11.21.15.39.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Nov 2022 15:39:14 -0800 (PST) Subject: [PATCH v1 0/1] pinctrl:mtk: Fix kexec() initialization MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-b4-tracking: H4sIAA4MfGMC/w3LOw6AIAwA0KuYzjaBxoF4Gz6NNGI1gC7Gu8v4hvdC4yrcYJ1eqPxIk1MH7DxBzF 43RknDQIbIWiI8+o6XaOy1oHeUDC0musXBGME3xlC9xjyO3qV83w9UtaZFYgAAAA== From: Ricardo Ribalda Date: Tue, 22 Nov 2022 00:38:54 +0100 Message-Id: <20221122-mtk-pinctrl-v1-0-bedf5655a3d2@chromium.org> To: Linus Walleij , Matthias Brugger , Sean Wang Cc: Steven Rostedt , Ross Zwisler , linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Sergey Senozhatsky , "Joel Fernandes (Google)" , Ricardo Ribalda X-Mailer: b4 0.11.0-dev-d93f8 X-Developer-Signature: v=1; a=openpgp-sha256; l=1062; i=ribalda@chromium.org; h=from:subject:message-id; bh=bze2KnrOlEBNmpaBvmtcoShIvqWrNXhh8LxDvF3j3lA=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBjfAwPMbbIUgdoq6PrZ9H2Kcpi0lz+5E0bJsMoV/K5 KgRiS/CJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCY3wMDwAKCRDRN9E+zzrEiLqID/ 9oBrfZhi/1JSkdEHdfWPAOktZbLqpryc8Q/EgZlPFLFD+zy5jkF4RdFcQhOe6bq5ebZ5bq20K6itfc ybvJV0ssS+Kx8tkWkBdYsbnVXvLMTtD3N441IoT1JVO4JMqMWZUkZJd3hKR4bJ6Spq2HPVF2qPB0C3 TMrlYXwvPk2hwxkVBhmjUyEto3xk9Os0l6f2sNLVboDjMdgirx8mUk4D32Xnt1dMesNEdLShDLHCVg XVZzZDQzwaVq1vPFRNxBBL2LkTJISv5rbzhXOPoL4ngDWtmoxEkbSy7TCFlDluyQPE7uYUZlOtVbgY zvcFwLY6MGUcQin4BfqH6Zol8JvE5eEvFPnRU/dbo+Pbh+dlMq/TNorTEujBQnB0Gb75AmfLHrLiVI Xfj6r6/+NyWbXW+DsV1k33TMQGxr1nc0UiYdqb9fA13m8Cu/irMnxIno0iClxFO+9+C525N3aeJ97E xF9n6YBWFpSTDFxwGythbbSvhBB6wlpu5YmoDkCIB3zArLVMf1h1hMfAhZCYVEHWlYCZYP2zy+TjhN BbwGuJvHCTO4W6Ivn92WQr0GwaPeaae415K8Emt1rFUKpWf7w/eK1sR6LEdFfJ6PDfRQEsGWUhqrF1 KzAVEGUjuMjr9BUY9atEy7DWYP7CmxnEXpvuiOjo1cD8yjEDSDyFuIHhINJQ== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221121_153918_069468_403228C5 X-CRM114-Status: UNSURE ( 8.39 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org When we use kexec to reboot a system, the hardware keeps its old state. This can be problematic for interrupt controllers. Lets initialise the controller with a know state. To: Sean Wang To: Linus Walleij To: Matthias Brugger Cc: linux-mediatek@lists.infradead.org Cc: linux-gpio@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: Joel Fernandes (Google) Cc: Sergey Senozhatsky Cc: Steven Rostedt Cc: Ross Zwisler Signed-off-by: Ricardo Ribalda --- Ricardo Ribalda (1): pinctrl: meditatek: Startup with the IRQs disabled drivers/pinctrl/mediatek/mtk-eint.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- base-commit: eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 change-id: 20221122-mtk-pinctrl-a82d0240c848 Best regards, -- Ricardo Ribalda