Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 34a31f0a authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul
Browse files

dmaengine: ioatdma: workaround SKX ioatdma version 



The Skylake ioatdma is technically CBDMA 3.2+ and contains the same hardware
bits with some additional 3.3 features, but it's not really 3.3 where the
driver is concerned.

Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 1594c18f

drivers/dma/ioat/init.c

+2 −0
Original line number Diff line number Diff line
@@ -1364,6 +1364,8 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) 


	device->version = readb(device->reg_base + IOAT_VER_OFFSET);

	if (device->version >= IOAT_VER_3_0) {

		if (is_skx_ioat(pdev))

			device->version = IOAT_VER_3_2;

		err = ioat3_dma_probe(device, ioat_dca_enabled);



		if (device->version >= IOAT_VER_3_3)