diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-08-01 14:37:31 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-08-15 13:20:10 +0200 |
| commit | 0a90ed8d0cfa29735a221eba14d9cb6c735d35b6 (patch) | |
| tree | d0c1edf843da591c578b3097c882125878615d51 /drivers/platform | |
| parent | 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff) | |
| download | linux-0a90ed8d0cfa29735a221eba14d9cb6c735d35b6.tar.bz2 | |
platform/x86: pmc_atom: Fix SLP_TYPx bitfield mask
On Intel hardware the SLP_TYPx bitfield occupies bits 10-12 as per ACPI
specification (see Table 4.13 "PM1 Control Registers Fixed Hardware
Feature Control Bits" for the details).
Fix the mask and other related definitions accordingly.
Fixes: 93e5eadd1f6e ("x86/platform: New Intel Atom SOC power management controller driver")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220801113734.36131-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/pmc_atom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index 154317e9910d..5c757c7f64de 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -232,7 +232,7 @@ static void pmc_power_off(void) pm1_cnt_port = acpi_base_addr + PM1_CNT; pm1_cnt_value = inl(pm1_cnt_port); - pm1_cnt_value &= SLEEP_TYPE_MASK; + pm1_cnt_value &= ~SLEEP_TYPE_MASK; pm1_cnt_value |= SLEEP_TYPE_S5; pm1_cnt_value |= SLEEP_ENABLE; |