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From devnull@lkml.org Tue May 21 08:56:57 2024 >From spaans Fri May 22 11:13:24 2015 Received: from pop.ziggo.nl [212.54.42.19] by squeeze.vs19.net with POP3 (fetchmail-6.3.21) for (single-drop); Fri, 22 May 2015 11:13:24 +0200 (CEST) Received: from md3.tb.mail.iss.local ([212.54.42.147]) by mc5.tb.mail.iss.local (Dovecot) with LMTP id MUboN6zuXlXwZgAAh0Kp1A for ; Fri, 22 May 2015 11:11:23 +0200 Received: from mx14.tb.mail.iss.as9143.net ([212.54.42.147]) by md3.tb.mail.iss.local (Dovecot) with LMTP id iUtXNmPIL1VpCgAAGeRBqA ; Fri, 22 May 2015 11:04:30 +0200 Received: from vger.kernel.org ([209.132.180.67]) by mx14.tb.mail.iss.as9143.net with esmtp (Exim 4.82) (envelope-from ) id 1YvizC-0000aO-ID for bmw12-lkml@ziggo.nl; Fri, 22 May 2015 11:11:23 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946104AbbEVJLJ (ORCPT ); Fri, 22 May 2015 05:11:09 -0400 Received: from mail-bl2on0123.outbound.protection.outlook.com ([65.55.169.123]:64224 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932190AbbEVJIH convert rfc822-to-8bit (ORCPT To: Rob Herring Cc: Greg Kroah-Hartman , Kishon Vijay Abraham I , Linux USB List , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , Subject: Re: [PATCH v2 6/6] usb: chipidea: add work-around for Marvell HSIC PHY startup Message-Id: <20150522090717.GA12734@shlinux2> References: <1432087805-16671-1-git-send-email-robh@kernel.org> <1432087805-16671-7-git-send-email-robh@kernel.org> <20150521031334.GA2897@shlinux2> User-Agent: Mutt/1.5.21 (2010-09-15) X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1;BY2FFO11OLC014;1:UfdNJxivnGfKOVdY8TyeN/uvHEfHjF4vJIpY30JtzMIJzYpKk2LWqvF46UNwv6D1i102291SBD58uofd3gg5UifSP4nAJQAd40uX4T6gmYnOEzMS9tztSBzuvaIFVvG+hoY1EvEDNACFJO8aDqCJPiJItbEBhl8BvegzKega0ogZIaEqVz/e78xq23WAetxozEuI6tRkDds6H339ClXtORgDW5dc8vFAlwN5oitmYoC X-Forefront-Antispam-Report: CIP:192.88.158.2;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(339900001)(377454003)(189002)(24454002)(199003)(51704005)(92566002)(50466002)(76176999)(54356999)(81156007)(4001540100001)(4001350100001)(97736004)(68736005)(189998001)(77096005)(2 X-Microsoft-Exchange-Diagnostics: 1;BY2PR03MB425;2:z6aQP+bfi+gy15v8QZNw14ztas4EfsPux49FKwY1TNpCuT/22t7/9xSQQoAW5JT9;2:TXSJ8v6QlSrBn5TJfGW9A0kAdAaCNoTfx5LvyFM1b/FjzIMrIWM7CFUfFqceCSKD4jlyr30Eu3f6WlVnkZ9PeVvZKWTg6hRdnBXBxiHmK+odb9lgE6Basf7ZfRXUg1Q/aabZgM5eGKO8WIFkdO6WQjA50uE7zi8KY0XQAWJhtc X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BY2PR03MB425; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(601004)(520002)(5005006)(3002001);SRVR:BY2PR03MB425;BCL:0;PCL:0;RULEID:;SRVR:BY2PR03MB425; X-Forefront-PRVS: 058441C12A X-Microsoft-Exchange-Diagnostics: =?utf-8?B?MTtCWTJQUjAzTUI0MjU7OTpKeVo5cjd6NER2dDZ5ODBJWVovaUJhd3Z3SjFL?= =?utf-8?B?SlJza1lXVXBoMDB2Y1JTVDBGWURKd2w2U0d3WjZUa3hyL1ZONUMwckNFWC9W?= =?utf-8?B?MmdRdCtIelRjMWtTNytKM0xzdUY2aGJiRTRDQ1dHMm9OZWV6a3pqK0VPNWNm?= =?utf-8?B?aUt0Y094MittczJEQnN5ejFVb X-Microsoft-Exchange-Diagnostics: 1;BY2PR03MB425;3:7sbdb1WBIVgxymtfy0UXMWqJvNrfqLA3uAHbtJi3bOhtrqBz/rikAkwFyO1PmmBCHJDhDuDyEGwnwecHhIMvWdSTkT+nzJhsC/bl2YW9PZSczUgNk2CUjd96afq6k4V6qu0hsxSlX0Jelw+1Xndecg==;10:u7NY2T4ODlY420cVRh7/XoUUCRL8ZxMx4IoovQ9845pHzG0bCjrbgMAH45T9o399iiHUX1LM2aQ6zKlHf X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2015 09:08:02.0391 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d;Ip=[192.88.158.2];Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR03MB425 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-Id: X-Mailing-List: linux-kernel@vger.kernel.org X-Ziggo-spamsetting: Instelling=Gemiddeld Scorelimiet=14 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.1 cv=KrrhoziN c=1 sm=0 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:17 a=wom5GMh1gUkA:10 a=GC_3TxtWCTwA:10 a=IkcTkHD0fZMA:10 a=6ohNodAXAAAA:8 a=VwQbUJbxAAAA:8 a=cIF5Tx0qAAAA:8 a=UqCG9HQmAAAA:8 a=IVvqCPU2AAAA:8 a=2_E1JhAbAAAA:8 a=h1PgugrvaO0A:10 a=W X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No On Thu, May 21, 2015 at 09:54:20AM +0000, Peter Chen wrote: > > > > > On Wed, May 20, 2015 at 10:13 PM, Peter Chen > > wrote: > > > On Tue, May 19, 2015 at 09:10:05PM -0500, Rob Herring wrote: > > >> The Marvell 28nm HSIC PHY requires the port to be forced to HS mode > > >> after the port power is applied. This is done using the test mode in > > >> the PORTSC register. > > >> > > >> As HSIC is always HS, this work-around should be safe to do with all > > >> HSIC PHYs. If not, a flag can also be added. > > > > > > I think a flag is needed, not sure all vendors can work well with that. > > > > Only i.MX6Sx uses HSIC in mainline. Is that something you can test? It would be > > better to not add flags unless they are really needed. > > Otherwise you end up with dozens of flags like SDHCI drivers have. > > > > I will have a test for this, and show you the result later. > Since imx6sx HSIC support is not supported at mainline, I tested this sequence at internal branch, it does not affect imx6's hsic function, I am ok with this patch. Tested-by: Peter Chen > Peter > ��칻�&�~�&���+-��ݶ��w��˛���m�b��n������ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z��w���?����&�)ߢf -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/