From 3e3aabac443e25712a3788cf88cc188e13ca8b0e Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 28 May 2014 09:44:44 +0200 Subject: [PATCH] i2c: rcar: reuse status bits as enable bits Status register and enable register are identical regarding their layout. Use the bit definitions for both. Signed-off-by: Wolfram Sang Acked-by: Kuninori Morimoto Acked-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-rcar.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index e16784124a41..4c46d1b1b61d 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -59,7 +59,7 @@ #define FSB (1 << 1) /* force stop bit */ #define ESG (1 << 0) /* en startbit gen */ -/* ICMSR */ +/* ICMSR (also for ICMIE) */ #define MNR (1 << 6) /* nack received */ #define MAL (1 << 5) /* arbitration lost */ #define MST (1 << 4) /* sent a stop */ @@ -68,23 +68,14 @@ #define MDR (1 << 1) #define MAT (1 << 0) /* slave addr xfer done */ -/* ICMIE */ -#define MNRE (1 << 6) /* nack irq en */ -#define MALE (1 << 5) /* arblos irq en */ -#define MSTE (1 << 4) /* stop irq en */ -#define MDEE (1 << 3) -#define MDTE (1 << 2) -#define MDRE (1 << 1) -#define MATE (1 << 0) /* address sent irq en */ - #define RCAR_BUS_PHASE_START (MDBS | MIE | ESG) #define RCAR_BUS_PHASE_DATA (MDBS | MIE) #define RCAR_BUS_PHASE_STOP (MDBS | MIE | FSB) -#define RCAR_IRQ_SEND (MNRE | MALE | MSTE | MATE | MDEE) -#define RCAR_IRQ_RECV (MNRE | MALE | MSTE | MATE | MDRE) -#define RCAR_IRQ_STOP (MSTE) +#define RCAR_IRQ_SEND (MNR | MAL | MST | MAT | MDE) +#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)) -- 2.39.5