Messages in this thread Patch in this message | | | From | Haojian Zhuang <> | Subject | [PATCH 2/3] i2c: pxa: support hardware lock | Date | Thu, 28 Apr 2011 12:02:37 +0800 |
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Append hardware lock support since it's required by Marvell PXA910.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> --- drivers/i2c/busses/i2c-pxa.c | 3 +++ include/linux/i2c/pxa-i2c.h | 3 +++ 2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index cab529d..e9a5dd8 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -1120,6 +1120,9 @@ static int i2c_pxa_probe(struct platform_device *dev) if (plat) { i2c->adap.class = plat->class; + i2c->adap.hardware_lock = plat->hardware_lock; + i2c->adap.hardware_unlock = plat->hardware_unlock; + i2c->adap.hardware_trylock = plat->hardware_trylock; i2c->use_pio = plat->use_pio; i2c->fast_mode = plat->fast_mode; } diff --git a/include/linux/i2c/pxa-i2c.h b/include/linux/i2c/pxa-i2c.h index 1a9f65e..eec9954 100644 --- a/include/linux/i2c/pxa-i2c.h +++ b/include/linux/i2c/pxa-i2c.h @@ -67,6 +67,9 @@ struct i2c_pxa_platform_data { unsigned int class; unsigned int use_pio :1; unsigned int fast_mode :1; + void (*hardware_lock)(void); + void (*hardware_unlock)(void); + int (*hardware_trylock)(void); }; extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info); -- 1.7.1
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