diff options
| -rw-r--r-- | drivers/dma/ioat/hw.h | 1 | ||||
| -rw-r--r-- | drivers/dma/ioat/init.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h index 3e38877cae6b..781c94de8e81 100644 --- a/drivers/dma/ioat/hw.h +++ b/drivers/dma/ioat/hw.h @@ -73,6 +73,7 @@ #define IOAT_VER_3_0 0x30 /* Version 3.0 */ #define IOAT_VER_3_2 0x32 /* Version 3.2 */ #define IOAT_VER_3_3 0x33 /* Version 3.3 */ +#define IOAT_VER_3_4 0x34 /* Version 3.4 */ int system_has_dca_enabled(struct pci_dev *pdev); diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c index 3161dfbca505..58dd1bfd3edd 100644 --- a/drivers/dma/ioat/init.c +++ b/drivers/dma/ioat/init.c @@ -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; |