Sonic Zhang
5029a22a45
i2c: bfin-twi: remove unnecessary Blackfin SSYNC from the driver
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Put necessary SSYNC code into blackfin twi arch header. The generic TWI
driver should not contain any architecture specific code.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-03-09 08:41:18 +01:00
Sonic Zhang
45126da224
i2c: bfin-twi: move bits macros and structs in header from arch include to generic include
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The ADI TWI peripheral is not binding to the Blackfin processor only.
The bits macros and structs should be put in the generic include header.
And update head file path in drivers accordingly.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-03-09 08:40:41 +01:00
Lars-Peter Clausen
594fa5c96d
Blackfin: twi: Add missing __iomem annotation
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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
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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.
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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.
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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
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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
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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
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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
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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
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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
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Start one place for TWI definitions.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-10-25 04:54:32 -04:00
