Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/216798/?format=api
{ "id": 216798, "url": "http://patchwork.ozlabs.org/api/patches/216798/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/patch/1359538435-21304-1-git-send-email-s.trumtrar@pengutronix.de/", "project": { "id": 19, "url": "http://patchwork.ozlabs.org/api/projects/19/?format=api", "name": "Linux IMX development", "link_name": "linux-imx", "list_id": "linux-imx-kernel.lists.patchwork.ozlabs.org", "list_email": "linux-imx-kernel@lists.patchwork.ozlabs.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1359538435-21304-1-git-send-email-s.trumtrar@pengutronix.de>", "list_archive_url": null, "date": "2013-01-30T09:33:55", "name": "ARM i.MX25: clk: parent per5_clk to AHB clock", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "851ca48511290746ea5233b7950102b605068128", "submitter": { "id": 15369, "url": "http://patchwork.ozlabs.org/api/people/15369/?format=api", "name": "Steffen Trumtrar", "email": "s.trumtrar@pengutronix.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/patch/1359538435-21304-1-git-send-email-s.trumtrar@pengutronix.de/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/216798/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/216798/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming-imx@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-imx@bilbo.ozlabs.org", "Received": [ "from merlin.infradead.org (merlin.infradead.org\n\t[IPv6:2001:4978:20e::2])\n\t(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))\n\t(Client did not present a certificate)\n\tby ozlabs.org (Postfix) with ESMTPS id DB91D2C0090\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tWed, 30 Jan 2013 20:36:41 +1100 (EST)", "from localhost ([::1] helo=merlin.infradead.org)\n\tby merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux))\n\tid 1U0U3Z-0004WO-KJ; Wed, 30 Jan 2013 09:34:13 +0000", "from metis.ext.pengutronix.de\n\t([2001:6f8:1178:4:290:27ff:fe1d:cc33])\n\tby merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux))\n\tid 1U0U3X-0004VF-9S for linux-arm-kernel@lists.infradead.org;\n\tWed, 30 Jan 2013 09:34:11 +0000", "from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c])\n\tby metis.ext.pengutronix.de with esmtp (Exim 4.72)\n\t(envelope-from <str@pengutronix.de>)\n\tid 1U0U3T-0007j7-Ac; Wed, 30 Jan 2013 10:34:07 +0100", "from str by dude.hi.pengutronix.de with local (Exim 4.80)\n\t(envelope-from <str@pengutronix.de>)\n\tid 1U0U3T-0005ZC-9G; Wed, 30 Jan 2013 10:34:07 +0100" ], "From": "Steffen Trumtrar <s.trumtrar@pengutronix.de>", "To": "linux-arm-kernel@lists.infradead.org", "Subject": "[PATCH] ARM i.MX25: clk: parent per5_clk to AHB clock", "Date": "Wed, 30 Jan 2013 10:33:55 +0100", "Message-Id": "<1359538435-21304-1-git-send-email-s.trumtrar@pengutronix.de>", "X-Mailer": "git-send-email 1.7.10.4", "X-SA-Exim-Connect-IP": "2001:6f8:1178:2:21e:67ff:fe11:9c5c", "X-SA-Exim-Mail-From": "str@pengutronix.de", "X-SA-Exim-Scanned": "No (on metis.ext.pengutronix.de);\n\tSAEximRunCond expanded to false", "X-PTX-Original-Recipient": "linux-arm-kernel@lists.infradead.org", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20130130_043411_493250_A42C9015 ", "X-CRM114-Status": "GOOD ( 13.72 )", "X-Spam-Score": "-2.6 (--)", "X-Spam-Report": "SpamAssassin version 3.3.2 on merlin.infradead.org summary:\n\tContent analysis details: (-2.6 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]", "Cc": "Steffen Trumtrar <s.trumtrar@pengutronix.de>,\n\tRussell King <linux@arm.linux.org.uk>, stable@vger.kernel.org,\n\tSascha Hauer <kernel@pengutronix.de>", "X-BeenThere": "linux-arm-kernel@lists.infradead.org", "X-Mailman-Version": "2.1.14", "Precedence": "list", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-arm-kernel/>", "List-Post": "<mailto:linux-arm-kernel@lists.infradead.org>", "List-Help": "<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "linux-arm-kernel-bounces@lists.infradead.org", "Errors-To": "linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org", "List-Id": "linux-imx-kernel.lists.patchwork.ozlabs.org" }, "content": "The mxc-timer on the imx25 needs to be derived from the AHB clock.\nIf a bootloader reparents this clock to the ipg_clk_highfreq, which according\nto the datasheet is a valid operation, the system can/will produce lockups/\nfreezes after some time [1].\n\nThis can be forced with code like\n\twhile(1)\n syscall(SYS_clock_gettime, CLOCK_REALTIME, &tp);\n\nThis was already fixed with the commit\n\t \"i.MX25 GPT clock fix: ensure correct the clock source\" [2],\nbut it seems, that it got lost. So, re-add this to have a correct gpt.\n\n[1]: http://lists.arm.linux.org.uk/lurker/message/20130129.161230.229bda17.en.html\n[2]: 2012d9ca2a1381ae3e733330a7f0d1d2f1988bba\n\nSigned-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>\nCc: stable@vger.kernel.org\n---\n arch/arm/mach-imx/clk-imx25.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c\nindex 5d34f67..0e6dde6 100644\n--- a/arch/arm/mach-imx/clk-imx25.c\n+++ b/arch/arm/mach-imx/clk-imx25.c\n@@ -177,6 +177,9 @@ static int __init __mx25_clocks_init(unsigned long osc_rate)\n \t\t\tpr_err(\"i.MX25 clk %d: register failed with %ld\\n\",\n \t\t\t\ti, PTR_ERR(clk[i]));\n \n+\t/* Clock source for gpt must be derived from AHB */\n+\tclk_set_parent(clk[per5_sel], clk[ahb]);\n+\n \tclk_register_clkdev(clk[ipg], \"ipg\", \"imx-gpt.0\");\n \tclk_register_clkdev(clk[gpt_ipg_per], \"per\", \"imx-gpt.0\");\n \n", "prefixes": [] }