Re: [PATCH v4] create sun sysfs file

[Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>]

Hi Len,

What should I do to put this patch in your tree?

Thanks,
Yasuaki Ishimatsu

2012/10/03 18:54, Yasuaki Ishimatsu wrote:
> Hi Len,
> 
> Ping...
> Pleae merge the patch into your tree.
> 
> Thanks,
> Yasuaki Ishimatsu
> 
> 2012/09/24 11:31, Yasuaki Ishimatsu wrote:
>> Hi Len,
>>
>> Ping...
>> I want you to merge the patch into your tree for linux-3.7.
>>
>> Thanks,
>> Yasuaki Ishimatsu
>>
>> 2012/08/30 10:34, Yasuaki Ishimatsu wrote:
>>> Hi Len,
>>>
>>> Three weeks passed after I post the patch.
>>> All comments have already been applied to it. And I think there is no
>>> comments about it. So I want you to merge it into your tree.
>>>
>>> Thanks,
>>> Yasuaki Ishimatsu
>>>
>>> 2012/08/07 9:36, Yasuaki Ishimatsu wrote:
>>>> Even if a device has _SUN method, there is no way to know the slot unique-ID.
>>>> Thus the patch creates "sun" file in sysfs so that we can recognize it.
>>>>
>>>> Reviewed-by: Toshi Kani <toshi.kani@hp.com>
>>>> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
>>>>
>>>> ---
>>>>      drivers/acpi/scan.c     |   24 ++++++++++++++++++++++++
>>>>      include/acpi/acpi_bus.h |    1 +
>>>>      2 files changed, 25 insertions(+)
>>>>
>>>> Index: linux-3.5/include/acpi/acpi_bus.h
>>>> ===================================================================
>>>> --- linux-3.5.orig/include/acpi/acpi_bus.h	2012-07-30 10:06:49.722171575 +0900
>>>> +++ linux-3.5/include/acpi/acpi_bus.h	2012-08-07 08:57:45.678204360 +0900
>>>> @@ -209,6 +209,7 @@ struct acpi_device_pnp {
>>>>      	struct list_head ids;		/* _HID and _CIDs */
>>>>      	acpi_device_name device_name;	/* Driver-determined */
>>>>      	acpi_device_class device_class;	/*        "          */
>>>> +	unsigned long sun;		/* _SUN */
>>>>      };
>>>>      
>>>>      #define acpi_device_bid(d)	((d)->pnp.bus_id)
>>>> Index: linux-3.5/drivers/acpi/scan.c
>>>> ===================================================================
>>>> --- linux-3.5.orig/drivers/acpi/scan.c	2012-07-30 10:06:49.713171688 +0900
>>>> +++ linux-3.5/drivers/acpi/scan.c	2012-08-07 09:01:38.196203659 +0900
>>>> @@ -192,10 +192,20 @@ end:
>>>>      }
>>>>      static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL);
>>>>      
>>>> +static ssize_t
>>>> +acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
>>>> +		     char *buf) {
>>>> +	struct acpi_device *acpi_dev = to_acpi_device(dev);
>>>> +
>>>> +	return sprintf(buf, "%lu\n", acpi_dev->pnp.sun);
>>>> +}
>>>> +static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL);
>>>> +
>>>>      static int acpi_device_setup_files(struct acpi_device *dev)
>>>>      {
>>>>      	acpi_status status;
>>>>      	acpi_handle temp;
>>>> +	unsigned long long sun;
>>>>      	int result = 0;
>>>>      
>>>>      	/*
>>>> @@ -217,6 +227,16 @@ static int acpi_device_setup_files(struc
>>>>      			goto end;
>>>>      	}
>>>>      
>>>> +	status = acpi_evaluate_integer(dev->handle, "_SUN", NULL, &sun);
>>>> +	if (ACPI_SUCCESS(status)) {
>>>> +		dev->pnp.sun = (unsigned long)sun;
>>>> +		result = device_create_file(&dev->dev, &dev_attr_sun);
>>>> +		if (result)
>>>> +			goto end;
>>>> +	} else {
>>>> +		dev->pnp.sun = (unsigned long)-1;
>>>> +	}
>>>> +
>>>>              /*
>>>>               * If device has _EJ0, 'eject' file is created that is used to trigger
>>>>               * hot-removal function from userland.
>>>> @@ -241,6 +261,10 @@ static void acpi_device_remove_files(str
>>>>      	if (ACPI_SUCCESS(status))
>>>>      		device_remove_file(&dev->dev, &dev_attr_eject);
>>>>      
>>>> +	status = acpi_get_handle(dev->handle, "_SUN", &temp);
>>>> +	if (ACPI_SUCCESS(status))
>>>> +		device_remove_file(&dev->dev, &dev_attr_sun);
>>>> +
>>>>      	device_remove_file(&dev->dev, &dev_attr_modalias);
>>>>      	device_remove_file(&dev->dev, &dev_attr_hid);
>>>>      	if (dev->handle)
>>>>
>>>> --
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>>>
>>>
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>>
>>
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