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10 Commits

Author SHA1 Message Date
Lars-Peter Clausen 594fa5c96d Blackfin: twi: Add missing __iomem annotation 
Add a missing __iomem to the bfin_twi_iface struct's regs_base field. This fixes
the following sparse warnings:

Fixes the following sparse warnings:
	drivers/i2c/busses/i2c-bfin-twi.c:641:26: warning: incorrect type in assignment (different address spaces)
	drivers/i2c/busses/i2c-bfin-twi.c:641:26:    expected struct bfin_twi_regs 	*regs_base
	drivers/i2c/busses/i2c-bfin-twi.c:641:26:    got void [noderef] <asn:2>*
	drivers/i2c/busses/i2c-bfin-twi.c:715:22: warning: incorrect type in argument 1 (different address spaces)
	drivers/i2c/busses/i2c-bfin-twi.c:715:22:    expected void [noderef] <asn:2>*addr
	drivers/i2c/busses/i2c-bfin-twi.c:715:22:    got struct bfin_twi_regs *regs_base
	drivers/i2c/busses/i2c-bfin-twi.c:732:22: warning: incorrect type in argument 1 (different address spaces)
	drivers/i2c/busses/i2c-bfin-twi.c:732:22:    expected void [noderef] <asn:2>*addr
	drivers/i2c/busses/i2c-bfin-twi.c:732:22:    got struct bfin_twi_regs *regs_base

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-12-13 13:50:57 +08:00
Sonic Zhang 433b58877d blackfin: twi: read twi mmr via bfin_read macro 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-07-24 13:39:53 +08:00
Sonic Zhang 2a26a20552 bf60x: update anomaly id in serial and twi driver headers. 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-07-24 13:39:52 +08:00
Sonic Zhang f794d7ba88 i2c: i2c-bfin-twi: Always access 16 bit MMR by bfin 16 bit access Macro. 
Otherwise, the compiler may optimize assemble code into 8bit access instruction
when target register is 8 bit width.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-07-24 13:39:50 +08:00
Sonic Zhang bda45b8f34 blackfin: twi: include linux/i2c.h 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-05-21 14:55:05 +08:00
Sonic Zhang c41704f509 blackfin: bf60x: twi: work around temporary anomaly 0501001 
Disable IRQ when reading MMR rcv_data8 and rcv_data16.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-05-21 14:55:03 +08:00
Sonic Zhang 1e92bf6d80 blackfin: twi: Move TWI MMR access macro to twi head file 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-05-21 14:55:01 +08:00
Sonic Zhang c55c89e939 blackfin: twi: move twi bit mask macro to twi head file 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-05-21 14:54:21 +08:00
Mike Frysinger ff7cbc4b5c Blackfin: ppi/spi/twi headers: add missing __BFP undef 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2010-10-25 04:54:33 -04:00
Mike Frysinger 61c16b5c74 Blackfin: bfin_twi.h: start a common TWI header 
Start one place for TWI definitions.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2010-10-25 04:54:32 -04:00