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PCI: Unify device inaccessible

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Bring surprise removals and permanent failures together so we no longer
need separate flags.  The implementation enforces that error handling will
not be able to override a surprise removal's permanent channel failure.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sinan Kaya <okaya@kernel.org>
This commit is contained in:
Keith Busch
2018-09-20 10:27:16 -06:00
committed by Bjorn Helgaas
parent 7b42d97e99
commit a6bd101b8f
2 changed files with 59 additions and 11 deletions
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10
drivers/pci/pcie/err.c
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@@ -52,9 +52,8 @@ static int report_error_detected(struct pci_dev *dev,
const struct pci_error_handlers *err_handler;
device_lock(&dev->dev);
dev->error_state = state;
if (!dev->driver ||
if (!pci_dev_set_io_state(dev, state) ||
!dev->driver ||
!dev->driver->err_handler ||
!dev->driver->err_handler->error_detected) {
/*
@@ -130,9 +129,8 @@ static int report_resume(struct pci_dev *dev, void *data)
const struct pci_error_handlers *err_handler;
device_lock(&dev->dev);
dev->error_state = pci_channel_io_normal;
if (!dev->driver ||
if (!pci_dev_set_io_state(dev, pci_channel_io_normal) ||
!dev->driver ||
!dev->driver->err_handler ||
!dev->driver->err_handler->resume)
goto out;