Re: [patch 5/9] I2C: remove i2c_driver's .owner and .name fields

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Le 25.10.2005 15:07, Jean Delvare a ?crit :
> Hi Laurent,
> 
> On 2005-10-24, Laurent Riffard wrote:
> 
> 
>>We should use the i2c_driver.driver's .name and .owner fields
>>instead of the i2c_drivers's ones.
> 
> 
> Looks overall good to me, except:
> 
> 
>>Index: linux-2.6-mm/drivers/media/video/ir-kbd-i2c.c
>>===================================================================
>>--- linux-2.6-mm.orig/drivers/media/video/ir-kbd-i2c.c
>>+++ linux-2.6-mm/drivers/media/video/ir-kbd-i2c.c
>>@@ -297,8 +297,11 @@
>> static int ir_probe(struct i2c_adapter *adap);
>>
>> static struct i2c_driver driver = {
>>-        .name           = "ir remote kbd driver",
>>-        .id             = I2C_DRIVERID_EXP3, /* FIXME */
>>+	.driver = {
>>+		.owner  = THIS_MODULE,
>>+		.name   = "ir remote kbd driver",
>>+	},
>>+	.id             = I2C_DRIVERID_EXP3, /* FIXME */
> 
> 
> Whitespace change on .id, please revert.

oops !

>>Index: linux-2.6-mm/drivers/media/video/msp3400.c
>>===================================================================
>>--- linux-2.6-mm.orig/drivers/media/video/msp3400.c
>>+++ linux-2.6-mm/drivers/media/video/msp3400.c
>>@@ -1426,17 +1426,17 @@
>> static void msp_wake_thread(struct i2c_client *client);
>>
>> static struct i2c_driver driver = {
>>-	.owner          = THIS_MODULE,
>>-	.name           = "i2c msp3400 driver",
>>+	.driver = {
>>+		.owner   = THIS_MODULE,
>>+		.name    = "i2c msp3400 driver",
>>+		.suspend = msp_suspend,
>>+		.resume  = msp_resume,
>>+	},
>>         .id             = I2C_DRIVERID_MSP3400,
>>         .flags          = I2C_DF_NOTIFY,
>>         .attach_adapter = msp_probe,
>>         .detach_client  = msp_detach,
>>         .command        = msp_command,
>>-	.driver = {
>>-		.suspend = msp_suspend,
>>-		.resume  = msp_resume,
>>-	},
>> };
> 
> 
> Please minimize the changes. Leave .suspend and .resume where there are
> and move .owner and .name inside .driver, rather than the other way
> around. Same comment applies to tda9887.c and tuner-core.c.

Ok.

>>Index: linux-2.6-mm/drivers/media/video/tvmixer.c
>>===================================================================
>>--- linux-2.6-mm.orig/drivers/media/video/tvmixer.c
>>+++ linux-2.6-mm/drivers/media/video/tvmixer.c
>>@@ -227,10 +227,12 @@
>> }
>>
>> static struct i2c_driver driver = {
>>+	.driver = {
>> #ifdef I2C_PEC
>>-	.owner           = THIS_MODULE,
>>+		.owner   = THIS_MODULE,
>> #endif
>>-	.name            = "tv card mixer driver",
>>+		.name    = "tv card mixer driver",
>>+	},
>>         .id              = I2C_DRIVERID_TVMIXER,
>> #ifdef I2C_DF_DUMMY
>> 	.flags           = I2C_DF_DUMMY,
> 
> 
> This doesn't make much sense that way. #ifdef tests are supposed to
> guarantee a compatibility with Linux 2.4, which your change breaks. So,
> either make your changes such that compatibility is preserved:
> 
>  static struct i2c_driver driver = {
> #ifdef I2C_PEC
> 	.driver = {
> 		.owner   = THIS_MODULE,
> 		.name    = "tv card mixer driver",
> 	},
> #else
> 	.name            = "tv card mixer driver",
> #endif
> 
> or drop the compatibility stuff altogether (I would prefer that, but v4l
> folks may not agree), but don't leave it half broken.

I have to admit that the meaning of this macro was not clear for me...

> Thanks,
> --
> Jean Delvare

Thanks for your comments. Here is an updated version of the patch.
-- 
laurent

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