xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dmaengine: ioatdma: disable DCA enabling on IOATDMA v3.4

Browse Source 
IOATDMA v3.4 does not support DCA. Disable

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang
2019-02-22 09:59:59 -07:00
committed by Vinod Koul
parent 4d75873f81
commit 11e31e281b
2 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/dma/ioat/init.c
View File

@@ -1353,6 +1353,8 @@ static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, device);
device->version = readb(device->reg_base + IOAT_VER_OFFSET);
if (device->version >= IOAT_VER_3_4)
ioat_dca_enabled = 0;
if (device->version >= IOAT_VER_3_0) {
if (is_skx_ioat(pdev))
device->version = IOAT_VER_3_2;