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DIR:OUT; SFP:1501; SCL:5; SRVR:DM5PR2101MB1016; H:DM5PR2101MB1032.namprd21.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: HpNHb6qlSVVwLLQbQKI8DaXBnJpauQ6UCJQVOuwm3PuWlI+gJxOpTNgS/uYYPUmeKJMjoXjczRkD9ID8asla/tW/t4euddLdimBV9nFfnzRU38rYqm6BMIKaHAMehPzd1GL9ZtkbBxXzEp15Bk7GBopuFmKSRPp60BE/X1PEe0OINaM3w3UqlJSv0dwXdJj8NWsk7h6EROBx2rPGtak3FVO25lua8NJJiHSnYOXNPm0n82gJFKGOs8j3kh6cZkPVeSf3vkSkIsQFlIyMqOpApHSlAZGXAC68pEQ3gZ+nLRZRCqkH+cce3aBqdeDy7YJ8Gl64QEHXFiGFqBQMRHEo/lzZGm/TidF4FblHJ/5ZsCZfeN9OTzTZUo9bhIfMY4+SABhqKaONsqyBepPzSFoKzA== spamdiagnosticoutput: 1:22 MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: b090c894-7487-42c6-cf0f-08d584b26487 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Mar 2018 05:01:57.2413 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1016 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-) -- 2.14.1 diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-omap2/clockdomains7xx_data.c index 7581e036bda6..70e3b711e79c 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 = { .dep_bit = DRA7XX_PCIE_STATDEP_SHIFT, .wkdep_srcs = pcie_wkup_sleep_deps, .sleepdep_srcs = pcie_wkup_sleep_deps, - .flags = CLKDM_CAN_HWSUP_SWSUP, + .flags = CLKDM_CAN_SWSUP, }; static struct clockdomain atl_7xx_clkdm = {