From 1420ac218abcc1df809eedfb0f7351941b01c785 Mon Sep 17 00:00:00 2001 From: Kelvin Cao Date: Thu, 14 Oct 2021 14:18:57 +0000 Subject: PCI/switchtec: Update the way of getting management VEP instance ID 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 Signed-off-by: Bjorn Helgaas --- drivers/pci/switch/switchtec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/pci/switch') diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index 5c300ff3921d..97a93c9b4629 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -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; -- cgit v1.2.3