diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2014-05-28 09:44:44 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-06-01 22:22:51 +0200 |
| commit | 3e3aabac443e25712a3788cf88cc188e13ca8b0e (patch) | |
| tree | 258aeec71c8035a8e180929d57d34a930dc036a4 /drivers/i2c | |
| parent | 150b8be3cda54412ad7b54f5392b513b25c0aaa7 (diff) | |
| download | linux-3e3aabac443e25712a3788cf88cc188e13ca8b0e.tar.bz2 | |
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 <wsa+renesas@sang-engineering.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-rcar.c | 17 |
1 files 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)) |