diff options
| author | Iru Cai <mytbk920423@gmail.com> | 2021-10-23 21:44:02 +0800 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2021-10-23 16:33:58 +0000 |
| commit | 308a5b9dd1a46299d87dc7215512c459d48d69b8 (patch) | |
| tree | d08ec9c8d27904949aea26360d65f5c9e6175ddb /src/arch/x86/ioapic.c | |
| parent | f9146ad569385698ecbf551eb2e022a4c4d80a84 (diff) | |
arch/x86: fix a wrong variable in ioapic_set_max_vectors()
The commit 04a40379b has a wrongly written variable, which sets an
IOAPIC register to a wrong value and makes the Linux kernel unable to
boot.
Tested on HP EliteBook 2760p, the kernel boots after this patch.
Change-Id: Ifda7bb61a431dbf9c2df2f738aa806dd6d8097b8
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58558
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/arch/x86/ioapic.c')
| -rw-r--r-- | src/arch/x86/ioapic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/x86/ioapic.c b/src/arch/x86/ioapic.c index d299e6070d..d65637c662 100644 --- a/src/arch/x86/ioapic.c +++ b/src/arch/x86/ioapic.c @@ -59,7 +59,7 @@ void ioapic_set_max_vectors(void *ioapic_base, int mre_count) count = mre_count - 1; reg &= ~(0xff << 16); reg |= count << 16; - io_apic_write(ioapic_base, 0x01, count); + io_apic_write(ioapic_base, 0x01, reg); } void ioapic_lock_max_vectors(void *ioapic_base) |