From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH] platform/x86: pmc_atom: Add Siemens SIMATIC IPC227E to Date: Wed, 4 Sep 2019 08:18:03 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Darren Hart , Andy Shevchenko , platform-driver-x86@vger.kernel.org Cc: Linux Kernel Mailing List List-Id: platform-driver-x86.vger.kernel.org From: Jan Kiszka The SIMATIC IPC227E uses the PMC clock for on-board components and gets stuck during boot if the clock is disabled. Therefore, add this device to the critical systems list. Fixes: 648e921888ad ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL") Signed-off-by: Jan Kiszka --- Should go into stable as well, down to 4.19. drivers/platform/x86/pmc_atom.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index aa53648a2214..9aca5e7ce6d0 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -415,6 +415,13 @@ static const struct dmi_system_id critclk_systems[] = { DMI_MATCH(DMI_BOARD_NAME, "CB6363"), }, }, + { + .ident = "SIMATIC IPC227E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"), + DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"), + }, + }, { /*sentinel*/ } }; -- 2.16.4 -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux