Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 938916fb authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Wolfram Sang
Browse files

i2c: rcar: fix RCAR_IRQ_ACK_{RECV|SEND} 



Bits 8-31 of all registers reflect the value of bits 0-7 on reads and should be
0 on writes, according to the manuals. RCAR_IRQ_ACK_{RECV|SEND} macros have all
1's in bits 8-31, thus going against the manuals, so fix them.

Signed-off-by: default avatarSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent c9a9ef41

drivers/i2c/busses/i2c-rcar.c

+2 −2
Original line number Diff line number Diff line
@@ -76,8 +76,8 @@ 
#define RCAR_IRQ_RECV	(MNR | MAL | MST | MAT | MDR)

#define RCAR_IRQ_STOP	(MST)



#define RCAR_IRQ_ACK_SEND	(~(MAT | MDE))

#define RCAR_IRQ_ACK_RECV	(~(MAT | MDR))

#define RCAR_IRQ_ACK_SEND	(~(MAT | MDE) & 0xFF)

#define RCAR_IRQ_ACK_RECV	(~(MAT | MDR) & 0xFF)



#define ID_LAST_MSG	(1 << 0)

#define ID_IOERROR	(1 << 1)