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authorSrikanth Krishnakar <skrishnakar@gmail.com>2019-09-20 12:31:56 +0300
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-09-20 17:56:24 +0300
commitf110d252ae7985def3cd0fd8b03979180a8633a0 (patch)
tree1c8a7cdfebdafcff75cedb489347fe93f6d0efc1 /drivers/platform/x86/pmc_atom.c
parentb3abfd778bf1dbdd96f70bd7d00671d027f67c62 (diff)
downloadlinux-f110d252ae7985def3cd0fd8b03979180a8633a0.tar.xz
platform/x86: pmc_atom: Add Siemens SIMATIC IPC277E to critclk_systems DMI table
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: 648e921888ad ("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>
Diffstat (limited to 'drivers/platform/x86/pmc_atom.c')
-rw-r--r--drivers/platform/x86/pmc_atom.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c
index 9aca5e7ce6d0..07d1b911e72f 100644
--- a/drivers/platform/x86/pmc_atom.c
+++ b/drivers/platform/x86/pmc_atom.c
@@ -422,6 +422,13 @@ static const struct dmi_system_id critclk_systems[] = {
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*/ }
};