diff options
| author | Aleksandrs Vinarskis <alex.vinarskis@gmail.com> | 2023-12-21 19:51:42 +0100 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2024-02-23 14:58:00 +0000 |
| commit | 1d8c51ed2ddcc4161e6496cf14fcd83921c50ec8 (patch) | |
| tree | 7e2776dee4639015985b296f997c6bc9d0b2b587 /drivers/mfd/intel-lpss-pci.c | |
| parent | ac9538f6007e1c80f1b8a62db7ecc391b4d78ae5 (diff) | |
mfd: intel-lpss: Introduce QUIRK_CLOCK_DIVIDER_UNITY for XPS 9530
Some devices (eg. Dell XPS 9530, 2023) due to a firmware bug have a
misconfigured clock divider, which should've been 1:1. This introduces
quirk which conditionally re-configures the clock divider to 1:1.
Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231221185142.9224-3-alex.vinarskis@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd/intel-lpss-pci.c')
| -rw-r--r-- | drivers/mfd/intel-lpss-pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index 07713a2f694f..8c00e0c695c5 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -34,6 +34,11 @@ static const struct pci_device_id quirk_ids[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1237), .driver_data = QUIRK_IGNORE_RESOURCE_CONFLICTS, }, + { + /* Dell XPS 9530 (2023) */ + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x51fb, 0x1028, 0x0beb), + .driver_data = QUIRK_CLOCK_DIVIDER_UNITY, + }, { } }; |