Grant,
On 08/05/2011 05:56 PM, Grant Likely wrote:
> On Fri, Aug 05, 2011 at 04:24:27PM -0500, Rob Herring wrote:
>> From: Rob Herring <rob.herring@xxxxxxxxxxx>
>>
>> This simplifies i2c drivers by removing calls to of_i2c_register_devices
>> and resolves a module circular dependency between i2c-core and of_i2c.
>>
>> Signed-off-by: Rob Herring <rob.herring@xxxxxxxxxxx>
>> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
>> Cc: Jean Delvare <khali@xxxxxxxxxxxx>
>> Cc: Ben Dooks <ben-linux@xxxxxxxxx>
>> Cc: linux-i2c@xxxxxxxxxxxxxxx
>> ---
>> arch/powerpc/platforms/44x/warp.c | 1 -
>> drivers/i2c/i2c-core.c | 85 +++++++++++++++++++++++++++++++-
>> drivers/of/Makefile | 1 -
>> drivers/of/of_i2c.c | 97 -------------------------------------
>> include/linux/i2c.h | 4 ++
>> include/linux/of_i2c.h | 30 -----------
>> 6 files changed, 87 insertions(+), 131 deletions(-)
>> delete mode 100644 drivers/of/of_i2c.c
>> delete mode 100644 include/linux/of_i2c.h
>>
>> diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
>> index 8f77139..9327ccf 100644
>> --- a/arch/powerpc/platforms/44x/warp.c
>> +++ b/arch/powerpc/platforms/44x/warp.c
>> @@ -16,7 +16,6 @@
>> #include <linux/interrupt.h>
>> #include <linux/delay.h>
>> #include <linux/of_gpio.h>
>> -#include <linux/of_i2c.h>
>> #include <linux/slab.h>
>>
>> #include <asm/machdep.h>
>> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
>> index 011e195..478c7f2 100644
>> --- a/drivers/i2c/i2c-core.c
>> +++ b/drivers/i2c/i2c-core.c
>> @@ -22,7 +22,10 @@
>> SMBus 2.0 support by Mark Studebaker <mdsxyz123@xxxxxxxxx> and
>> Jean Delvare <khali@xxxxxxxxxxxx>
>> Mux support by Rodolfo Giometti <giometti@xxxxxxxxxxxx> and
>> - Michael Lawnick <michael.lawnick.ext@xxxxxxx> */
>> + Michael Lawnick <michael.lawnick.ext@xxxxxxx>
>> + OF support by Jochen Friedrich <jochen@xxxxxxxx> and
>> + Jon Smirl <jonsmirl@xxxxxxxxx>
>> + */
>>
>> #include <linux/module.h>
>> #include <linux/kernel.h>
>> @@ -32,7 +35,6 @@
>> #include <linux/init.h>
>> #include <linux/idr.h>
>> #include <linux/mutex.h>
>> -#include <linux/of_i2c.h>
>> #include <linux/of_device.h>
>> #include <linux/completion.h>
>> #include <linux/hardirq.h>
>> @@ -790,6 +792,85 @@ static void i2c_scan_static_board_info(struct i2c_adapter *adapter)
>> up_read(&__i2c_board_lock);
>> }
>>
>> +#ifdef CONFIG_OF_I2C
>
> I think this becomes simply "#ifdef CONFIG_OF" since CONFIG_I2C is implied at this point.
I was going to remove CONFIG_OF_I2C altogether, but it depends on !SPARC
so I thought it should be kept.
>
>> diff --git a/include/linux/i2c.h b/include/linux/i2c.h
>> index a6c652e..830397b 100644
>> --- a/include/linux/i2c.h
>> +++ b/include/linux/i2c.h
>> @@ -468,6 +468,10 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
>> {
>> return adap->nr;
>> }
>> +
>> +/* must call put_device() when done with returned i2c_client device */
>> +extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node);
>> +
>
> This shouldn't be defined if !CONFIG_OF
There is no empty version today and externs don't need to be ifdef'ed in
that case.
Rob
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