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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Jan Kiszka <jan.kiszka@siemens.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1] platform/x86: pmc_atom: Add Siemens SIMATIC IPC227E to critclk_systems DMI table
Date: Thu,  7 Nov 2019 19:05:30 +0200	[thread overview]
Message-ID: <20191107170530.6115-1-andriy.shevchenko@linux.intel.com> (raw)

From: Jan Kiszka <jan.kiszka@siemens.com>

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")
Cc: <stable@vger.kernel.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---

- resend for stable inclusion

 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*/ }
 };
 
-- 
2.24.0


             reply	other threads:[~2019-11-07 17:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07 17:05 Andy Shevchenko [this message]
2019-11-07 23:59 ` [PATCH v1] platform/x86: pmc_atom: Add Siemens SIMATIC IPC227E to critclk_systems DMI table Nobuhiro Iwamatsu
2019-11-08 13:18 ` Greg Kroah-Hartman
2019-11-08 13:24   ` Jan Kiszka

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