[PATCH V10 3/3] PCI: display not responding message while device is unreachable
From: Sinan Kaya <hidden>
Date: 2017-08-11 16:56:50
Also in:
linux-arm-msm, linux-pci, lkml
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
Adding a print statement into pci_bus_wait_crs() so that user observes the progress of device polling instead of silently waiting for timeout to be reached. Signed-off-by: Sinan Kaya <redacted> --- drivers/pci/probe.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b1cb7bd..2f4cf7d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c@@ -1839,11 +1839,17 @@ bool pci_bus_wait_crs(struct pci_bus *bus, int devfn, u32 *l, int crs_timeout) delay *= 2; if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, l)) return false; + + if (delay >= 1000) + pr_info("pci %04x:%02x:%02x.%d: not responding since %dms still polling\n", + pci_domain_nr(bus), bus->number, + PCI_SLOT(devfn), PCI_FUNC(devfn), delay); + /* Card hasn't responded in 60 seconds? Must be stuck. */ if (delay > crs_timeout) { - printk(KERN_WARNING "pci %04x:%02x:%02x.%d: not responding\n", + pr_warn("pci %04x:%02x:%02x.%d: not responding %dms timeout reached\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), - PCI_FUNC(devfn)); + PCI_FUNC(devfn), crs_timeout); return false; } } while ((*l & 0xffff) == 0x0001);
--
1.9.1