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| author | John Crispin <john@openwrt.org> | 2016-04-26 11:43:57 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2016-04-26 11:43:57 +0000 |
| commit | 6a111b41bcb2802f42f9e92d152d1cef2c19b69b (patch) | |
| tree | 5585792cb5e0de97efb96de12ee03c57c0e25d58 /target/linux | |
| parent | cb049e71cdc08e17f664403a0ef970c480ae5c4a (diff) | |
| download | mtk-20170518-6a111b41bcb2802f42f9e92d152d1cef2c19b69b.zip mtk-20170518-6a111b41bcb2802f42f9e92d152d1cef2c19b69b.tar.gz mtk-20170518-6a111b41bcb2802f42f9e92d152d1cef2c19b69b.tar.bz2 | |
cns3xxx: backport pci fix for cns3xxx_write_config
Fix is required to properly set pci config bits.
Original Patch: https://patchwork.ozlabs.org/patch/596170/
Signed-off-by: Pushpal Sidhu <psidhu@gateworks.com>
SVN-Revision: 49248
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/cns3xxx/patches-4.4/033-CNS3xxx-Fix-PCI-cns3xxx_write_config.patch | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-4.4/033-CNS3xxx-Fix-PCI-cns3xxx_write_config.patch b/target/linux/cns3xxx/patches-4.4/033-CNS3xxx-Fix-PCI-cns3xxx_write_config.patch new file mode 100644 index 0000000..3f5ab06 --- /dev/null +++ b/target/linux/cns3xxx/patches-4.4/033-CNS3xxx-Fix-PCI-cns3xxx_write_config.patch @@ -0,0 +1,19 @@ +--- a/arch/arm/mach-cns3xxx/pcie.c ++++ b/arch/arm/mach-cns3xxx/pcie.c +@@ -220,13 +220,13 @@ static void cns3xxx_write_config(struct + u32 mask = (0x1ull << (size * 8)) - 1; + int shift = (where % 4) * 8; + +- v = readl_relaxed(base + (where & 0xffc)); ++ v = readl_relaxed(base); + + v &= ~(mask << shift); + v |= (val & mask) << shift; + +- writel_relaxed(v, base + (where & 0xffc)); +- readl_relaxed(base + (where & 0xffc)); ++ writel_relaxed(v, base); ++ readl_relaxed(base); + } + + static void __init cns3xxx_pcie_hw_init(struct cns3xxx_pcie *cnspci) |