linux-kernel - [PATCH mips-next 1/3] MIPS: generic/ip32: io: fix __mem

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Date:   Sat, 20 Jun 2020 09:34:43 +0000
From:   Alexander Lobakin <alobakin@...me>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Paul Burton <paulburton@...nel.org>,
        Alexander Lobakin <alobakin@...me>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH mips-next 1/3] MIPS: generic/ip32: io: fix __mem_ioswabq()

*readq() family operates with u64 arguments, so they need 64-bit
byteswaps.
Correct macros for Generic MIPS and IP-32 to match other machines'
implementations.

Signed-off-by: Alexander Lobakin <alobakin@...me>
---
 arch/mips/include/asm/mach-generic/mangle-port.h | 2 +-
 arch/mips/include/asm/mach-ip32/mangle-port.h    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/mach-generic/mangle-port.h b/arch/mips/include/asm/mach-generic/mangle-port.h
index f49dc990214b..e4daf163706c 100644
--- a/arch/mips/include/asm/mach-generic/mangle-port.h
+++ b/arch/mips/include/asm/mach-generic/mangle-port.h
@@ -45,7 +45,7 @@
 # define ioswabl(a, x)		(x)
 # define __mem_ioswabl(a, x)	cpu_to_le32(x)
 # define ioswabq(a, x)		(x)
-# define __mem_ioswabq(a, x)	cpu_to_le32(x)
+# define __mem_ioswabq(a, x)	cpu_to_le64(x)
 
 #endif
 
diff --git a/arch/mips/include/asm/mach-ip32/mangle-port.h b/arch/mips/include/asm/mach-ip32/mangle-port.h
index f1d0f1756a9f..c5ef72ccb0d5 100644
--- a/arch/mips/include/asm/mach-ip32/mangle-port.h
+++ b/arch/mips/include/asm/mach-ip32/mangle-port.h
@@ -21,6 +21,6 @@
 # define ioswabl(a, x)		(x)
 # define __mem_ioswabl(a, x)	cpu_to_le32(x)
 # define ioswabq(a, x)		(x)
-# define __mem_ioswabq(a, x)	cpu_to_le32(x)
+# define __mem_ioswabq(a, x)	cpu_to_le64(x)
 
 #endif /* __ASM_MACH_IP32_MANGLE_PORT_H */
-- 
2.27.0