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PCI: Log device readiness timeouts as errors

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pci_dev_wait() waits for a device to be Configuration-Ready after a reset,
such as a Function-Level Reset (FLR), a soft reset during a D3hot->
D0uninitialized transition when No_Soft_Reset == 0), or a power-up sequence
from D3cold->D0uninitialized.

If pci_dev_wait() returns success, the device is guaranteed to respond to
configuration requests with Successful Completion status.  If it times out,
device is completely non-responsive.

Upgrade the log level from pci_warn() to pci_err() to reflect this failure
state.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Link: https://patch.msgid.link/20260518191220.636213-2-bhelgaas@google.com
This commit is contained in:
Bjorn Helgaas 2026-05-18 14:12:18 -05:00 committed by Bjorn Helgaas
parent 254f49634e
commit 6113cea475
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/pci.c
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@ -1253,8 +1253,8 @@ static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout)
}
if (delay > timeout) {
pci_warn(dev, "not ready %dms after %s; giving up\n",
delay - 1, reset_type);
pci_err(dev, "not ready %dms after %s; giving up\n",
delay - 1, reset_type);
return -ENOTTY;
}