From: Ilya Lipnitskiy ilya.lipnitskiy@gmail.com
[ 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 --- arch/mips/ralink/mt7621.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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); }