diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-11-06 13:05:25 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-11-20 19:52:27 +0300 |
| commit | f83c37941e881224885f2e694e0626bea358e96b (patch) | |
| tree | e7050a3fead58b5a0055a3f73e7456db24404ea4 /drivers/accessibility | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
| download | linux-f83c37941e881224885f2e694e0626bea358e96b.tar.xz | |
PCI: Disable MSI for Pericom PCIe-USB adapter
Pericom PCIe-USB adapter advertises MSI, but documentation says "The MSI
Function is not implemented on this device" in chapters 7.3.27,
7.3.29-7.3.31, and Alberto found that MSI in fact does not work.
Disable MSI for these devices.
Datasheet: https://www.diodes.com/assets/Datasheets/PI7C9X440SL.pdf
Fixes: 306c54d0edb6 ("usb: hcd: Try MSI interrupts on PCI devices")
Link: https://lore.kernel.org/linux-usb/20201030134826.GP4077@smile.fi.intel.com/
Link: https://lore.kernel.org/r/20201106100526.17726-1-andriy.shevchenko@linux.intel.com
Reported-by: alberto.vignani@fastwebnet.it
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/accessibility')
0 files changed, 0 insertions, 0 deletions