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.k...@hp.com>
>> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasu...@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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