Re: [PATCH v14 1/3] spi: pxa2xx: disable DMA for Apple MacBook8,1
Mark Brown <[email protected]>
| Newsgroups | org.kernel.vger.linux-spi,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Sun, Jul 19, 2026 at 12:07:00AM +0800, Shih-Yuan Lee wrote: > Move the forced PIO mode DMI quirk to spi-pxa2xx-pci.c (the LPSS host > controller PCI glue driver) to avoid layering violations in client > drivers (such as applespi). > Add an explicit DMI match table for MacBook8,1 and a module parameter > spi_pxa2xx_force_pio to allow forcing PIO mode on demand. Note that this will mean that the runtime PM bugs fixed in patch 2 are exposed, breaking bisection on the affected platform. The actual change looks fine.
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