leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI/switchtec: Update the way of getting management VEP instance ID

Browse Source 
Gen4 firmware adds DMA VEP and NVMe VEP support in VEP (virtual EP)
instance ID register in addtion to management EP, update the way of
getting management VEP instance ID.

Link: https://lore.kernel.org/r/20211014141859.11444-4-kelvin.cao@microchip.com
Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Kelvin Cao
2021-10-14 14:18:57 +00:00
committed by Bjorn Helgaas
parent 551ec658b6
commit 1420ac218a
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/pci/switch/switchtec.c
View File

@@ -1133,7 +1133,7 @@ static int ioctl_pff_to_port(struct switchtec_dev *stdev,
break;
}
reg = ioread32(&pcfg->vep_pff_inst_id);
reg = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
if (reg == p.pff) {
p.port = SWITCHTEC_IOCTL_PFF_VEP;
break;
@@ -1179,7 +1179,7 @@ static int ioctl_port_to_pff(struct switchtec_dev *stdev,
p.pff = ioread32(&pcfg->usp_pff_inst_id);
break;
case SWITCHTEC_IOCTL_PFF_VEP:
p.pff = ioread32(&pcfg->vep_pff_inst_id);
p.pff = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
break;
default:
if (p.port > ARRAY_SIZE(pcfg->dsp_pff_inst_id))
@@ -1553,7 +1553,7 @@ static void init_pff(struct switchtec_dev *stdev)
if (reg < stdev->pff_csr_count)
stdev->pff_local[reg] = 1;
reg = ioread32(&pcfg->vep_pff_inst_id);
reg = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
if (reg < stdev->pff_csr_count)
stdev->pff_local[reg] = 1;