diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-3.18/150-pci-do-not-probe-too-early.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-3.18/150-pci-do-not-probe-too-early.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.18/150-pci-do-not-probe-too-early.patch b/target/linux/bcm53xx/patches-3.18/150-pci-do-not-probe-too-early.patch new file mode 100644 index 0000000000..b2e56f8e40 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/150-pci-do-not-probe-too-early.patch @@ -0,0 +1,29 @@ +From cf72936c001056de1cfcb27dd9a232f5484ec59c Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Thu, 29 May 2014 20:54:15 +0200 +Subject: [PATCH 12/17] pci: do not probe too early + +Probing is done before the PCIe bridge is fully activated and the +address spaces does not get assigned to the PCIe devices. Without the +address space the driver can not register to this device. With this +patch the driver reregistration is done later. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + drivers/pci/probe.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/pci/probe.c ++++ b/drivers/pci/probe.c +@@ -2093,7 +2093,10 @@ struct pci_bus *pci_scan_root_bus(struct + if (!found) + pci_bus_update_busn_res_end(b, max); + +- pci_bus_add_devices(b); ++ /* this should be done in arch/arm/kernel/bios32.c, because the ++ resources for the PCI devices are initilized later and doing ++ it here will fail. */ ++ /* pci_bus_add_devices(b); */ + return b; + } + EXPORT_SYMBOL(pci_scan_root_bus); |