From: Jan Kiszka jan.kiszka@siemens.com
commit ad0d315b4d4e7138f43acf03308192ec00e9614d 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: 648e921888ad ("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
--- drivers/platform/x86/pmc_atom.c | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -445,6 +445,13 @@ static const struct dmi_system_id critcl 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*/ } };