crypto: qat - Set max request size

The device doensn't support the default value and will change it to 256, which will cause performace degradation for biger packets. Add an explicit write to set it to 1024. Reported-by: Tianliang Wang <[email protected]> Signed-off-by: Tadeusz Struk <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
fracktal · Jun 9, 2015 · e4fa146 · e4fa146
1 parent a7eed15
commit e4fa146
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
@@ -300,6 +300,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (ret)
 		goto out_err;
 
+	pcie_set_readrq(pdev, 1024);
+
 	/* enable PCI device */
 	if (pci_enable_device(pdev)) {
 		ret = -EFAULT;