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platform/x86: pmc_atom: Add Siemens SIMATIC IPC277E to critclk_systems DMI table

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The SIMATIC IPC277E 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.

Tested on SIMATIC IPC277E.

Fixes: 648e921888 ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Cedric Hombourger <Cedric_Hombourger@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Srikanth Krishnakar
2019-09-20 15:01:56 +05:30
committed by Andy Shevchenko
parent b3abfd778b
commit f110d252ae
1 changed files with 7 additions and 0 deletions
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7
drivers/platform/x86/pmc_atom.c
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@@ -422,6 +422,13 @@ static const struct dmi_system_id critclk_systems[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"), DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"),
}, },
}, },
{
.ident = "SIMATIC IPC277E",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"),
DMI_MATCH(DMI_PRODUCT_VERSION, "6AV7882-0"),
},
},
{ /*sentinel*/ } { /*sentinel*/ }
}; };