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platform/x86: pmc_atom: Add Siemens SIMATIC IPC227E to critclk_systems DMI table

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commit ad0d315b4d upstream.

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: 648e921888 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jan Kiszka
2019-09-04 08:42:30 +02:00
committed by Greg Kroah-Hartman
parent 76b4d8952f
commit 036fb5dc7c
1 changed files with 7 additions and 0 deletions
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7
drivers/platform/x86/pmc_atom.c
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@@ -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*/ }
};