{"id":2220289,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2220289/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260406-mtk-spi-nor-improvements-v1-8-66f675cbbd3e@baylibre.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.1/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260406-mtk-spi-nor-improvements-v1-8-66f675cbbd3e@baylibre.com>","date":"2026-04-06T20:13:34","name":"[8/8] spi: mtk_snor: Remove status register write procedure in probe()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5097b076b65247ce226da76f8f6f14ed4fd603de","submitter":{"id":87228,"url":"http://patchwork.ozlabs.org/api/1.1/people/87228/?format=json","name":"David Lechner","email":"dlechner@baylibre.com"},"delegate":{"id":161331,"url":"http://patchwork.ozlabs.org/api/1.1/users/161331/?format=json","username":"dlech","first_name":"David","last_name":"Lechner","email":"dlechner@baylibre.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260406-mtk-spi-nor-improvements-v1-8-66f675cbbd3e@baylibre.com/mbox/","series":[{"id":498893,"url":"http://patchwork.ozlabs.org/api/1.1/series/498893/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=498893","date":"2026-04-06T20:13:26","name":"spi: mtk_snor: various fixes and improvements","version":1,"mbox":"http://patchwork.ozlabs.org/series/498893/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220289/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220289/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=VCPBqWP/;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260406-mtk-spi-nor-improvements-v1-8-66f675cbbd3e@baylibre.com>","References":"<20260406-mtk-spi-nor-improvements-v1-0-66f675cbbd3e@baylibre.com>","In-Reply-To":"\n <20260406-mtk-spi-nor-improvements-v1-0-66f675cbbd3e@baylibre.com>","To":"Ryder Lee , Weijie Gao ,\n Chunfeng Yun ,\n Igor Belwon ,\n GSS_MTK_Uboot_upstream ,\n Tom Rini ","Cc":"Julien Stephan , u-boot@lists.denx.de,\n David Lechner ,\n Meiker Gao ","X-Mailer":"b4 0.16-dev","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1244; i=dlechner@baylibre.com;\n h=from:subject:message-id;\n bh=2nm1syoc0LTHjBxPzxjjFrdQ3yb1Ks7EUFE6mEqRayU=;\n b=owEBhAF7/pANAwAKAcLMIAH/AY/AAcsmYgBp1BQgfCDYk61GwwHXNX56XM4F+DrCr1+ezT/CN\n 3258zVMvJqJAUoEAAEKADQWIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCadQUIBYcZGxlY2huZXJA\n YmF5bGlicmUuY29tAAoJEMLMIAH/AY/ArqUH/0LrjSMkuX9CU+mFmaGawkzFlvwgFpC2nmlhFeR\n 6LgTgyrH3Po8dO3j2Ngq/OBCpbAqLRR45rU4m+2pU5/d/mFaHHy8xBG8gEmrPYhX2MX43yGyVBo\n M/ZVXwQ30fZjFItXHa3HgsFlmlv0ijlJHHwwy+rkoEdm0HxSTX3Xft7Br22rNx5Z0crfttFF2wD\n IGeSUF4r9SiXeJO04VkMrTG9ICp/079kJ4YaVo3WoIzTtnaQyMU+sv/NB7cqfTSvGvfXFd0wMGC\n lrIAwMAGTtfvXLL9glpPPCPhVHWj3UT3SWbWtVJ5jauByDkNJ57g4VgNamsPUeAkRqN6af35BES\n HnGc=","X-Developer-Key":"i=dlechner@baylibre.com; a=openpgp;\n fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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"},"content":"From: Meiker Gao \n\nRemove status register write procedure in probe(). This is handled in\nspi-nor-core by the SPI_NOR_HAS_LOCK flag.\n\nSigned-off-by: Meiker Gao \nSigned-off-by: David Lechner \n---\n drivers/spi/mtk_snor.c | 13 -------------\n 1 file changed, 13 deletions(-)","diff":"diff --git a/drivers/spi/mtk_snor.c b/drivers/spi/mtk_snor.c\nindex 21ac115e3c3..3b9eac383ab 100644\n--- a/drivers/spi/mtk_snor.c\n+++ b/drivers/spi/mtk_snor.c\n@@ -567,19 +567,6 @@ static int mtk_snor_probe(struct udevice *bus)\n \tmtk_snor_rmw(priv, MTK_NOR_REG_CFG3,\n \t\t MTK_NOR_DISABLE_WREN | MTK_NOR_DISABLE_SR_POLL, 0);\n \n-\t/*\n-\t * Unlock all blocks using write status command.\n-\t * SPI-MEM hasn't implemented unlock procedure on MXIC devices.\n-\t * We may remove this later.\n-\t */\n-\twritel(2 * BITS_PER_BYTE, priv->base + MTK_NOR_REG_PRG_CNT);\n-\twritel(MTK_NOR_UNLOCK_ALL, priv->base + MTK_NOR_REG_PRGDATA(5));\n-\twritel(MTK_NOR_IRQ_WRSR, priv->base + MTK_NOR_REG_IRQ_EN);\n-\twritel(MTK_NOR_CMD_WRSR, priv->base + MTK_NOR_REG_CMD);\n-\tret = readl_poll_timeout(priv->base + MTK_NOR_REG_IRQ_STAT, reg,\n-\t\t\t\t !(reg & MTK_NOR_IRQ_WRSR),\n-\t\t\t\t ((3 * BITS_PER_BYTE) + 1) * 200);\n-\n \treturn 0;\n }\n \n","prefixes":["8/8"]}