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authorIru Cai <mytbk920423@gmail.com>2021-10-23 21:44:02 +0800
committerNico Huber <nico.h@gmx.de>2021-10-23 16:33:58 +0000
commit308a5b9dd1a46299d87dc7215512c459d48d69b8 (patch)
treed08ec9c8d27904949aea26360d65f5c9e6175ddb
parentf9146ad569385698ecbf551eb2e022a4c4d80a84 (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>
-rw-r--r--src/arch/x86/ioapic.c2
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)