On Fri, 21 Feb 2025 02:54:23 +0100, Niklas Cassel wrote:
> atapi_eh_request_sense() currently uses ATAPI DMA if the SATA controller
> has ATA_FLAG_PIO_DMA (PIO cmds via DMA) set.
>
> However, ATA_FLAG_PIO_DMA is a flag that can be set by a low-level driver
> on a port at initialization time, before any devices are scanned.
>
> If a controller detects a connected device that only supports PIO, we set
> the flag ATA_DFLAG_PIO.
>
> [...]
Applied to libata/linux.git (for-6.15), thanks!
[1/1] ata: libata-eh: Do not use ATAPI DMA for a device limited to PIO mode
https://git.kernel.org/libata/linux/c/91ec84f8
Kind regards,
Niklas
