WSL2-Linux-Kernel/arch/unicore32
Yijing Wang c90570d951 PCI: Assign resources before drivers claim devices (pci_scan_bus())
Previously, pci_scan_bus() created a root PCI bus, enumerated the devices
on it, and called pci_bus_add_devices(), which made the devices available
for drivers to claim them.

Most callers assigned resources to devices after pci_scan_bus() returns,
which may be after drivers have claimed the devices.  This is incorrect;
the PCI core should not change device resources while a driver is managing
the device.

Remove pci_bus_add_devices() from pci_scan_bus() and do it after any
resource assignment in the callers.

[bhelgaas: changelog, check for failure in mcf_pci_init()]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Geert Uytterhoeven <geert@linux-m68k.org>
CC: Guan Xuetao <gxt@mprc.pku.edu.cn>
CC: Richard Henderson <rth@twiddle.net>
CC: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
CC: Matt Turner <mattst88@gmail.com>
2015-03-12 15:04:01 -05:00
..
boot lib: Move fonts from drivers/video/console/ to lib/fonts/ 2013-06-28 10:28:22 +02:00
configs USB: delete CONFIG_USB_DEVICEFS from defconfig 2014-05-27 16:07:13 -07:00
include all arches, signal: move restart_block to struct task_struct 2015-02-12 18:54:12 -08:00
kernel PCI: Assign resources before drivers claim devices (pci_scan_bus()) 2015-03-12 15:04:01 -05:00
lib unicore32: fix build error for find bitops 2011-11-15 17:13:14 +08:00
mm mm: fix false-positive warning on exit due mm_nr_pmds(mm) 2015-02-11 17:06:04 -08:00
.gitignore unicore32 core architecture: build infrastructure 2011-03-17 09:19:05 +08:00
Kconfig unicore32: Remove ARCH_HAS_CPUFREQ config option 2014-06-20 08:22:41 +08:00
Kconfig.debug unicore32: drop unused Kconfig symbols 2011-11-15 17:13:18 +08:00
Makefile unicore32: Use generic init_task 2012-05-05 13:00:26 +02:00