diff options
| author |   Logan Gunthorpe <logang@deltatee.com> | 2020-01-06 12:03:27 -0700 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2020-01-08 15:42:57 -0600 |
| commit | 9375646b4cf03aee81bc6c305aa18cc80b682796 (patch) | |
| tree | f980c923f2014e57090076568fb12fed8a459c44 /drivers/pci/switch | |
| parent | PCI/switchtec: Use dma_set_mask_and_coherent() (diff) | |
| download | linux-dev-9375646b4cf03aee81bc6c305aa18cc80b682796.tar.xz linux-dev-9375646b4cf03aee81bc6c305aa18cc80b682796.zip | |
PCI/switchtec: Fix vep_vector_number ioread width
vep_vector_number is actually a 16 bit register which should be read with
ioread16() instead of ioread32().
Fixes: 080b47def5e5 ("MicroSemi Switchtec management interface driver")
Link: https://lore.kernel.org/r/20200106190337.2428-3-logang@deltatee.com
Reported-by: Doug Meyer <dmeyer@gigaio.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/switch')
| -rw-r--r-- | drivers/pci/switch/switchtec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index 2bf670977b9c..9c3ad09d3022 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -1276,7 +1276,7 @@ static int switchtec_init_isr(struct switchtec_dev *stdev) if (nvecs < 0) return nvecs; - event_irq = ioread32(&stdev->mmio_part_cfg->vep_vector_number); + event_irq = ioread16(&stdev->mmio_part_cfg->vep_vector_number); if (event_irq < 0 || event_irq >= nvecs) return -EFAULT; |