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SubjectRe: [RFC PATCH 14/15] dt: Eliminate of_platform_{,un}register_driver
On Wed, Feb 23, 2011 at 9:56 AM, Rob Herring <robherring2@gmail.com> wrote:
> Grant,
>
> On 02/22/2011 10:34 PM, Grant Likely wrote:
>>
>> Final step to eliminate of_platform_bus_type.  They're all just
>> platform drivers now.
>>
>> Signed-off-by: Grant Likely<grant.likely@secretlab.ca>
>> ---
>
> snip
>
>> diff --git a/drivers/char/ipmi/ipmi_si_intf.c
>> b/drivers/char/ipmi/ipmi_si_intf.c
>> index b6ae6e9..132951d 100644
>> --- a/drivers/char/ipmi/ipmi_si_intf.c
>> +++ b/drivers/char/ipmi/ipmi_si_intf.c
>> @@ -2556,8 +2556,7 @@ static struct pci_driver ipmi_pci_driver = {
>>
>>
>>  #ifdef CONFIG_PPC_OF
>> -static int __devinit ipmi_of_probe(struct platform_device *dev,
>> -                        const struct of_device_id *match)
>> +static int __devinit ipmi_of_probe(struct platform_device *dev)
>>  {
>>        struct smi_info *info;
>>        struct resource resource;
>> @@ -2568,6 +2567,9 @@ static int __devinit ipmi_of_probe(struct
>> platform_device *dev,
>>
>>        dev_info(&dev->dev, "probing via device tree\n");
>>
>> +       if (!dev->dev.of_match)
>> +               return -EINVAL;
>> +
>>        ret = of_address_to_resource(np, 0,&resource);
>>        if (ret) {
>>                dev_warn(&dev->dev, PFX "invalid address from OF\n");
>> @@ -2600,7 +2602,7 @@ static int __devinit ipmi_of_probe(struct
>> platform_device *dev,
>>                return -ENOMEM;
>>        }
>>
>> -       info->si_type           = (enum si_type) match->data;
>> +       info->si_type           = (enum si_type) dev->dev.of_match->data;
>>        info->addr_source       = SI_DEVICETREE;
>>        info->irq_setup         = std_irq_setup;
>>
>> @@ -2652,9 +2654,9 @@ static struct of_device_id ipmi_match[] =
>>        {},
>>  };
>>
>> -static struct of_platform_driver ipmi_of_platform_driver = {
>> +static struct platform_driver ipmi_of_platform_driver = {
>>        .driver = {
>> -               .name = "ipmi",
>> +               .name = "of-ipmi",
>>                .owner = THIS_MODULE,
>>                .of_match_table = ipmi_match,
>>        },
>> @@ -3396,7 +3398,7 @@ static int __devinit init_ipmi_si(void)
>>  #endif
>>
>>  #ifdef CONFIG_PPC_OF
>> -       of_register_platform_driver(&ipmi_of_platform_driver);
>> +       platform_driver_register(&ipmi_of_platform_driver);
>>        of_registered = 1;
>>  #endif
>>
>> @@ -3457,7 +3459,7 @@ static int __devinit init_ipmi_si(void)
>>
>>  #ifdef CONFIG_PPC_OF
>>                if (of_registered)
>> -
>> of_unregister_platform_driver(&ipmi_of_platform_driver);
>> +
>> platform_driver_unregister(&ipmi_of_platform_driver);
>>  #endif
>>                driver_unregister(&ipmi_driver.driver);
>>                printk(KERN_WARNING PFX
>> @@ -3558,7 +3560,7 @@ static void __exit cleanup_ipmi_si(void)
>>
>>  #ifdef CONFIG_PPC_OF
>>        if (of_registered)
>> -               of_unregister_platform_driver(&ipmi_of_platform_driver);
>> +               platform_driver_unregister(&ipmi_of_platform_driver);
>>  #endif
>>
>>        mutex_lock(&smi_infos_lock);
>
> Um, you are doing exactly what you said I should not do. Now the driver has
> 2 platform drivers defined. I have an updated patch that addresses your
> previous comments. I will send it out later today.

Thanks. I wacked this whole series out one evening and converted all
the drivers at once, so it's not surprising that I missed some
duplications. Send me your patch and I'll drop my changes here.

g.
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