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authorIlya Lipnitskiy <ilya.lipnitskiy@gmail.com>2022-03-01 04:15:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-03-08 21:12:52 +0300
commita3049666063424c16bfca3e374f18fa2d1ae1fd0 (patch)
tree40ebf48066fc11a810bced71073e8400f766b96d
parent68c4fe2ef0bf5ac06e73f2b47579aef4dde5612e (diff)
downloadlinux-a3049666063424c16bfca3e374f18fa2d1ae1fd0.tar.xz
MIPS: ralink: mt7621: use bitwise NOT instead of logical
[ Upstream commit 5d8965704fe5662e2e4a7e4424a2cbe53e182670 ] It was the intention to reverse the bits, not make them all zero by using logical NOT operator. Fixes: cc19db8b312a ("MIPS: ralink: mt7621: do memory detection on KSEG1") Suggested-by: Chuanhong Guo <gch981213@gmail.com> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--arch/mips/ralink/mt7621.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index fd9a872d5713..4c8378661219 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -38,7 +38,7 @@ static bool __init mt7621_addr_wraparound_test(phys_addr_t size)
__raw_writel(MT7621_MEM_TEST_PATTERN, dm);
if (__raw_readl(dm) != __raw_readl(dm + size))
return false;
- __raw_writel(!MT7621_MEM_TEST_PATTERN, dm);
+ __raw_writel(~MT7621_MEM_TEST_PATTERN, dm);
return __raw_readl(dm) == __raw_readl(dm + size);
}