[PATCH] arm64: Fix double TCR_T0SZ_OFFSET shift

From: Seongsu Park
Date: Tue Apr 02 2024 - 06:48:02 EST


We have already shifted the value of t0sz in TCR_T0SZ by TCR_T0SZ_OFFSET.
So, the TCR_T0SZ_OFFSET shift here should be removed.

Co-developed-by: Leem ChaeHoon <infinite.run@xxxxxxxxx>
Signed-off-by: Leem ChaeHoon <infinite.run@xxxxxxxxx>
Co-developed-by: Gyeonggeon Choi <gychoi@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Gyeonggeon Choi <gychoi@xxxxxxxxxxxxxxxxxx>
Co-developed-by: Soomin Cho <to.soomin@xxxxxxxxx>
Signed-off-by: Soomin Cho <to.soomin@xxxxxxxxx>
Co-developed-by: DaeRo Lee <skseofh@xxxxxxxxx>
Signed-off-by: DaeRo Lee <skseofh@xxxxxxxxx>
Co-developed-by: kmasta <kmasta.study@xxxxxxxxx>
Signed-off-by: kmasta <kmasta.study@xxxxxxxxx>
Signed-off-by: Seongsu Park <sgsu.park@xxxxxxxxxxx>
---
arch/arm64/include/asm/mmu_context.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index c768d16b81a4..58de99836d2e 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -76,7 +76,7 @@ static inline void __cpu_set_tcr_t0sz(unsigned long t0sz)
return;

tcr &= ~TCR_T0SZ_MASK;
- tcr |= t0sz << TCR_T0SZ_OFFSET;
+ tcr |= t0sz;
write_sysreg(tcr, tcr_el1);
isb();
}
--
2.34.1