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| author | DENG Qingfang <dengqf6@mail2.sysu.edu.cn> | 2020-03-01 17:01:09 +0800 |
|---|---|---|
| committer | Chuanhong Guo <gch981213@gmail.com> | 2020-04-04 12:04:13 +0800 |
| commit | c70545f397187b36c1220ae16b4db19f39857c93 (patch) | |
| tree | 752dc048ea32cf02d8cba30fc54d024ed58ce812 /target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch | |
| parent | b51ea43f900191bc8ce7411dad39239fac6df4f8 (diff) | |
| download | upstream-c70545f397187b36c1220ae16b4db19f39857c93.tar.gz upstream-c70545f397187b36c1220ae16b4db19f39857c93.tar.bz2 upstream-c70545f397187b36c1220ae16b4db19f39857c93.zip | |
ramips: copy patches and kernel config to 5.4
Copy patches and kernel config to 5.4 for ramips
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
Diffstat (limited to 'target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch b/target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch new file mode 100644 index 0000000000..4c40e65ab9 --- /dev/null +++ b/target/linux/ramips/patches-5.4/110-mt7621-perfctr-fix.patch @@ -0,0 +1,15 @@ +--- a/arch/mips/ralink/irq-gic.c ++++ b/arch/mips/ralink/irq-gic.c +@@ -15,6 +15,12 @@ + + int get_c0_perfcount_int(void) + { ++ /* ++ * Performance counter events are routed through GIC. ++ * Prevent them from firing on CPU IRQ7 as well ++ */ ++ clear_c0_status(IE_SW0 << 7); ++ + return gic_get_c0_perfcount_int(); + } + EXPORT_SYMBOL_GPL(get_c0_perfcount_int); |