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| author |   Bjorn Helgaas <bhelgaas@google.com> | 2018-01-16 17:37:50 -0600 |
|---|---|---|
| committer |   Bjorn Helgaas <helgaas@kernel.org> | 2018-01-30 15:26:25 -0600 |
| commit | 01060e3d4e423146ecf9d308814e16a357671ddf (patch) | |
| tree | a87a20d4b9558000bbd59a474121a13c1b3b3544 /drivers/pci | |
| parent | PCI/DPC: Squash dpc_rp_pio_get_info() into dpc_process_rp_pio_error() (diff) | |
| download | linux-dev-01060e3d4e423146ecf9d308814e16a357671ddf.tar.xz linux-dev-01060e3d4e423146ecf9d308814e16a357671ddf.zip | |
PCI/DPC: Add and use DPC Status register field definitions
Add definitions for DPC Status register fields and use them in the code.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sinan Kaya <okaya@codeaurora.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie/pcie-dpc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c index 0f4eb6111ab4..7eb9bc7d4bfd 100644 --- a/drivers/pci/pcie/pcie-dpc.c +++ b/drivers/pci/pcie/pcie-dpc.c @@ -211,8 +211,8 @@ static irqreturn_t dpc_irq(int irq, void *context) dev_info(dev, "DPC containment event, status:%#06x source:%#06x\n", status, source); - reason = (status >> 1) & 0x3; - ext_reason = (status >> 5) & 0x3; + reason = (status & PCI_EXP_DPC_STATUS_TRIGGER_RSN) >> 1; + ext_reason = (status & PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT) >> 5; dev_warn(dev, "DPC %s detected, remove downstream devices\n", (reason == 0) ? "unmasked uncorrectable error" : |