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[188.129.46.59]) by smtp.googlemail.com with ESMTPSA id s20-20020a170906455400b00a59c4a16e4asm2878350ejq.120.2024.05.07.03.04.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 May 2024 03:04:33 -0700 (PDT) From: Robert Marko To: sjg@chromium.org, trini@konsulko.com, jagan@amarulasolutions.com, vigneshr@ti.com, marek.vasut+renesas@mailbox.org, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [RFC PATCH 0/5] Implement exiting 4-byte adressing mode before reset Date: Tue, 7 May 2024 12:03:48 +0200 Message-ID: <20240507100431.206670-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.0 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This fixes the issue with 4-byte adressing mode being left enabled on board reset. That is an issue on Qualcomm IPQ4019 boards since the CPU expects flash to be in 3-byte adressing mode and will just hang otherwise. Note that this does not fix a case where you remove the power while U-Boot is still running and in that case it will still be stuck in 4-byte mode. Robert Marko (5): dm: core: add on_reset method dm: core: introduce uclass_id_on_reset() mtd: spi-nor: rename and export 4-byte adressing mode function mtd: spi: sf: implement .on_reset method sysreset: call .on_reset for UCLASS_SPI_FLASH before reset request drivers/core/uclass.c | 13 +++++++++++++ drivers/mtd/spi/sf_probe.c | 10 ++++++++++ drivers/mtd/spi/spi-nor-core.c | 7 +++---- drivers/sysreset/sysreset-uclass.c | 7 +++++++ include/dm/device.h | 2 ++ include/dm/uclass.h | 8 ++++++++ include/linux/mtd/spi-nor.h | 10 ++++++++++ 7 files changed, 53 insertions(+), 4 deletions(-)