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GET /api/1.1/patches/2220285/?format=api
{ "id": 2220285, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220285/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260406-mtk-spi-nor-improvements-v1-3-66f675cbbd3e@baylibre.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.1/projects/18/?format=api", "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-v1-3-66f675cbbd3e@baylibre.com>", "date": "2026-04-06T20:13:29", "name": "[3/8] spi: mtk_snor: conditionally copy tx/rx data", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2e1196d2d6c2f2472e120383d77225470bede12a", "submitter": { "id": 87228, "url": "http://patchwork.ozlabs.org/api/1.1/people/87228/?format=api", "name": "David Lechner", "email": "dlechner@baylibre.com" }, "delegate": { "id": 161331, "url": "http://patchwork.ozlabs.org/api/1.1/users/161331/?format=api", "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-v1-3-66f675cbbd3e@baylibre.com/mbox/", "series": [ { "id": 498893, "url": "http://patchwork.ozlabs.org/api/1.1/series/498893/?format=api", "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/2220285/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220285/checks/", "tags": {}, "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "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=i5QdGLTd;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260406-mtk-spi-nor-improvements-v1-3-66f675cbbd3e@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 <ryder.lee@mediatek.com>, Weijie Gao <weijie.gao@mediatek.com>,\n Chunfeng Yun <chunfeng.yun@mediatek.com>,\n Igor Belwon <igor.belwon@mentallysanemainliners.org>,\n GSS_MTK_Uboot_upstream <GSS_MTK_Uboot_upstream@mediatek.com>,\n Tom Rini <trini@konsulko.com>", "Cc": "Julien Stephan <jstephan@baylibre.com>, u-boot@lists.denx.de,\n David Lechner <dlechner@baylibre.com>, \"Noah.Shen\" <noah.shen@mediatek.com>,\n \"Noah.Shen\" <noah.shen@mediatek.com>", "X-Mailer": "b4 0.16-dev", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1830; i=dlechner@baylibre.com;\n h=from:subject:message-id;\n bh=0GVKm8oGpajxQoyxghfzk4OPul0gB7mx+9rPiJw9bjY=;\n b=owEBhAF7/pANAwAKAcLMIAH/AY/AAcsmYgBp1BP/qFhbnXi6GoeJFQivOFzYGNR9hVZBHv47O\n cQEXEWAl8qJAUoEAAEKADQWIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCadQT/xYcZGxlY2huZXJA\n YmF5bGlicmUuY29tAAoJEMLMIAH/AY/AA0MIAJtpunQxr0WujqkcWdJmxXBDHoAcb2Kl7DqwP8S\n nEZ3qTH4XUE4LLSmRAxcXAbKY4eLff3Sx9XRcZCakgzhxFByC5urSa1iDpN1kEgLb9PmXl8QLXU\n c2L4g9RKQYgz57lQvD3X50CEcnYQn/3NuXUYptBcskhGeRVpVRt2my3xhCXwWpjW/kqy/pC6UNa\n 51/fp3ok6x5lGk6qJPb3wDsQemmmRy+qUpbRJA/gZGK0Vx4AJguUVuCynp2M/77CAUT6LBsFjIb\n wkpwvTL5iFQvDvup6gZvbbDRb6I4oWSrWs221d25+KPFUsaxIW20pMBFDbZF7XNLSVZusYR6NCB\n 2C48=", "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 <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "From: \"Noah.Shen\" <noah.shen@mediatek.com>\n\nOnly write out data for OUT command and read in data for IN commands.\n\nSigned-off-by: Noah.Shen <noah.shen@mediatek.com>\nSigned-off-by: David Lechner <dlechner@baylibre.com>\n---\n drivers/spi/mtk_snor.c | 24 ++++++++++++++----------\n 1 file changed, 14 insertions(+), 10 deletions(-)", "diff": "diff --git a/drivers/spi/mtk_snor.c b/drivers/spi/mtk_snor.c\nindex 0ff4a8b23d5..674e723db01 100644\n--- a/drivers/spi/mtk_snor.c\n+++ b/drivers/spi/mtk_snor.c\n@@ -415,14 +415,16 @@ static int mtk_snor_cmd_program(struct mtk_snor_priv *priv,\n \t\twriteb(val, reg);\n \t}\n \n-\tfor (i = 0; i < op->dummy.nbytes; i++, reg_offset--) {\n-\t\treg = priv->base + MTK_NOR_REG_PRGDATA(reg_offset);\n-\t\twriteb(0, reg);\n-\t}\n+\tif (op->data.dir == SPI_MEM_DATA_OUT) {\n+\t\tfor (i = 0; i < op->dummy.nbytes; i++, reg_offset--) {\n+\t\t\treg = priv->base + MTK_NOR_REG_PRGDATA(reg_offset);\n+\t\t\twriteb(0, reg);\n+\t\t}\n \n-\tfor (i = 0; i < op->data.nbytes; i++, reg_offset--) {\n-\t\treg = priv->base + MTK_NOR_REG_PRGDATA(reg_offset);\n-\t\twriteb(((const u8 *)(op->data.buf.out))[i], reg);\n+\t\tfor (i = 0; i < op->data.nbytes; i++, reg_offset--) {\n+\t\t\treg = priv->base + MTK_NOR_REG_PRGDATA(reg_offset);\n+\t\t\twriteb(((const u8 *)(op->data.buf.out))[i], reg);\n+\t\t}\n \t}\n \n \tfor (; reg_offset >= 0; reg_offset--) {\n@@ -437,9 +439,11 @@ static int mtk_snor_cmd_program(struct mtk_snor_priv *priv,\n \n \t/* fetch read data */\n \treg_offset = 0;\n-\tfor (i = op->data.nbytes - 1; i >= 0; i--, reg_offset++) {\n-\t\treg = priv->base + MTK_NOR_REG_SHIFT(reg_offset);\n-\t\t((u8 *)(op->data.buf.in))[i] = readb(reg);\n+\tif (op->data.dir == SPI_MEM_DATA_IN) {\n+\t\tfor (i = op->data.nbytes - 1; i >= 0; i--, reg_offset++) {\n+\t\t\treg = priv->base + MTK_NOR_REG_SHIFT(reg_offset);\n+\t\t\t((u8 *)(op->data.buf.in))[i] = readb(reg);\n+\t\t}\n \t}\n \n \treturn 0;\n", "prefixes": [ "3/8" ] }