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author | Huacai Chen <chenhuacai@loongson.cn> | 2022-07-14 15:42:13 +0300 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-07-14 23:29:03 +0300 |
commit | 2410e3301fcc40f6ebda234928c66a22f4257d9f (patch) | |
tree | 7384211529040cf8f4f7810e77402b8d092bbcdf /scripts/gdb/linux/lists.py | |
parent | cd89edda4002b7fb3c0a6765c3a60a60d5b1dc16 (diff) | |
download | linux-2410e3301fcc40f6ebda234928c66a22f4257d9f.tar.xz |
PCI: loongson: Don't access non-existent devices
On LS2K/LS7A, config reads to some non-existent devices don't return
0xffffffff (they are hidden devices for debug, and accessing the config
space may cause machine hang). This is a hardware flaw but we can only
avoid it by software now.
Link: https://lore.kernel.org/r/20220714124216.1489304-5-chenhuacai@loongson.cn
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'scripts/gdb/linux/lists.py')
0 files changed, 0 insertions, 0 deletions