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Thu, 8 Mar 2018 01:05:55 -0500 Received: from mail-by2nam03hn0237.outbound.protection.outlook.com ([104.47.42.237]:45201 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965828AbeCHFCS (ORCPT ); Thu, 8 Mar 2018 00:02:18 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Kishon Vijay Abraham I , Bjorn Helgaas , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 111/190] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Thread-Topic: [PATCH AUTOSEL for 4.9 111/190] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Thread-Index: AQHTtppEYDzD7KyG40yBwQfQAY5T+Q== Date: Thu, 8 Mar 2018 04:59:40 +0000 Message-ID: <20180308045810.8041-111-alexander.levin@microsoft.com> References: <20180308045810.8041-1-alexander.levin@microsoft.com> In-Reply-To: <20180308045810.8041-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0997;7:57QNsdslNw0cGjQaBD2hELAgEnfRFuLWOvuqvjTfEUPlVnNC2istbtwnndl7q5XiZgxn/9AqSRGYRI5qaoBLMThLQ94VWp9FznGWLRS5ihAN3Z0vbaMMG+vpTgtCNaR9PEf3UbDwxMg3hffEBfiuYEQyKD2bKW5L8rRl62RuPkRoUbM5w38HiQmWKkYwtOTmObwM6wJWSQNVNaZRgg6aPjkh+EoWXRtltQ0MtYvPFqrjiAWkTtej7TxIB6R7xfLE;20:PL8tar37q3HxSNt/0T/nDyXoSFSc6UF+iZmmTC5nxdxlJV8vqDjOgsCACh9JlUn2m8zfX+7+Ao4FP8+m49/3jB6TzOgUsLZd8TCZaydLMrPzJH9bIBg06phZSLZeIi2dEJZQDJXVn8jIW8ie9z9Hltr7ms4DGP+aUA2rMEqNkdA= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: c69f0322-ba22-4190-eda3-08d584b1c317 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0997; 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x-microsoft-antispam-message-info: w14kWnyrppQEuBvedCekL+h6CeCWiap1B+w2Tg6D4DhEA86NZsIv4fmfVB3bMP4R3xlIx/g2U26TdRlpzPNE2R6CG+8P+GT6xklZaRAVmDmVJ6vLBIrDVluCEud1ykdXCMMy6cb7do3+WBBbtgwfB/+7xOazG3yhbuF4rmumkDFWV8u+vaOaz+7OsotMuvpvXNX0mNnu267zyDqX+gX0Hyt4ZFsfQIyQDzUzMU9LO8DkzZPKlmi8Wr16xcZBNIachanEqBQ4LP07IFpfn0Tm5s4gM9icekSNRAW7eTf92+AGUqUJgAMqhk0Szu+n1paVTkG7TUFbZrpv4oDt1usTFvqzAAyupdwdOAncQleKPFP4MzlgX4JIpEI+cH35VnHWalgQmAFBS7k5gTbsykHCIw== spamdiagnosticoutput: 1:22 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: c69f0322-ba22-4190-eda3-08d584b1c317 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Mar 2018 04:59:40.8128 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0997 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Kishon Vijay Abraham I [ Upstream commit 2c949ce38f4e81d7487f165fa3b8f77d74a2a6c4 ] The PCIe programming sequence in TRM suggests CLKSTCTRL of PCIe should be set to SW_WKUP. There are no issues when CLKSTCTRL is set to HW_AUTO in RC mode. However in EP mode, the host system is not able to access the MEMSPACE and setting the CLKSTCTRL to SW_WKUP fixes it. Acked-by: Tony Lindgren Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- arch/arm/mach-omap2/clockdomains7xx_data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-oma= p2/clockdomains7xx_data.c index ef9ed36e8a61..e3416b40e82b 100644 --- a/arch/arm/mach-omap2/clockdomains7xx_data.c +++ b/arch/arm/mach-omap2/clockdomains7xx_data.c @@ -524,7 +524,7 @@ static struct clockdomain pcie_7xx_clkdm =3D { .dep_bit =3D DRA7XX_PCIE_STATDEP_SHIFT, .wkdep_srcs =3D pcie_wkup_sleep_deps, .sleepdep_srcs =3D pcie_wkup_sleep_deps, - .flags =3D CLKDM_CAN_HWSUP_SWSUP, + .flags =3D CLKDM_CAN_SWSUP, }; =20 static struct clockdomain atl_7xx_clkdm =3D { --=20 2.14.1