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GET /api/patches/808257/?format=api
{ "id": 808257, "url": "http://patchwork.ozlabs.org/api/patches/808257/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170831135748.32498-1-wens@csie.org/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170831135748.32498-1-wens@csie.org>", "list_archive_url": null, "date": "2017-08-31T13:57:48", "name": "[U-Boot] mmc: sunxi: Only update timing mode bit when enabling new timing mode", "commit_ref": "8a647fc3ca2a93e2b6c965999ac2e0316191a755", "pull_url": null, "state": "accepted", "archived": false, "hash": "0377c9b1cb95ec04377b1b202e74ebaa553db86e", "submitter": { "id": 47154, "url": "http://patchwork.ozlabs.org/api/people/47154/?format=api", "name": "Chen-Yu Tsai", "email": "wens@csie.org" }, "delegate": { "id": 17739, "url": "http://patchwork.ozlabs.org/api/users/17739/?format=api", "username": "jagan", "first_name": "Jagannadha Sutradharudu", "last_name": "Teki", "email": "jagannadh.teki@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170831135748.32498-1-wens@csie.org/mbox/", "series": [ { "id": 835, "url": "http://patchwork.ozlabs.org/api/series/835/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=835", "date": "2017-08-31T13:57:48", "name": "[U-Boot] mmc: sunxi: Only update timing mode bit when enabling new timing mode", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/835/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/808257/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/808257/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjkV53Hzcz9sPm\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 31 Aug 2017 23:58:05 +1000 (AEST)", "by lists.denx.de (Postfix, from userid 105)\n\tid 3183DC21E4A; Thu, 31 Aug 2017 13:57:59 +0000 (UTC)", "from lists.denx.de (localhost [IPv6:::1])\n\tby lists.denx.de (Postfix) with ESMTP id C51B8C21DB5;\n\tThu, 31 Aug 2017 13:57:56 +0000 (UTC)", "by lists.denx.de (Postfix, from userid 105)\n\tid 64A29C21DB5; Thu, 31 Aug 2017 13:57:55 +0000 (UTC)", "from wens.csie.org (mirror2.csie.ntu.edu.tw [140.112.30.76])\n\tby lists.denx.de (Postfix) with ESMTPS id 9645AC21D99\n\tfor <u-boot@lists.denx.de>; Thu, 31 Aug 2017 13:57:54 +0000 (UTC)", "by wens.csie.org (Postfix, from userid 1000)\n\tid 42A255FB68; Thu, 31 Aug 2017 21:57:49 +0800 (CST)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=0.0 required=5.0 tests=none autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "From": "Chen-Yu Tsai <wens@csie.org>", "To": "u-boot@lists.denx.de", "Date": "Thu, 31 Aug 2017 21:57:48 +0800", "Message-Id": "<20170831135748.32498-1-wens@csie.org>", "X-Mailer": "git-send-email 2.14.1", "Cc": "Jagan Teki <jagan@openedev.com>,\n\tMaxime Ripard <maxime.ripard@free-electrons.com>", "Subject": "[U-Boot] [PATCH] mmc: sunxi: Only update timing mode bit when\n\tenabling new timing mode", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://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\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "When enabling the new mmc timing mode, we inadvertently clear all the\nremaining bits in the new timing mode register. The bits cleared\ninclude a default phase delay on the output clock. The BSP kernel\nstates that the default values are supposed to be used. Clearing them\nresults in decreased performance or transfer errors on some boards.\n\nFixes: de9b1771c3b6 (\"mmc: sunxi: Support new mode\")\nSigned-off-by: Chen-Yu Tsai <wens@csie.org>\n---\n drivers/mmc/sunxi_mmc.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c\nindex a76e763bfd4f..4edb4be46c81 100644\n--- a/drivers/mmc/sunxi_mmc.c\n+++ b/drivers/mmc/sunxi_mmc.c\n@@ -167,7 +167,7 @@ static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)\n \tif (new_mode) {\n #ifdef CONFIG_MMC_SUNXI_HAS_NEW_MODE\n \t\tval = CCM_MMC_CTRL_MODE_SEL_NEW;\n-\t\twritel(SUNXI_MMC_NTSR_MODE_SEL_NEW, &priv->reg->ntsr);\n+\t\tsetbits_le32(&priv->reg->ntsr, SUNXI_MMC_NTSR_MODE_SEL_NEW);\n #endif\n \t} else {\n \t\tval = CCM_MMC_CTRL_OCLK_DLY(oclk_dly) |\n", "prefixes": [ "U-Boot" ] }