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SubjectRe: [PATCH 05/14] HID: i2c-hid: use generic .request() implementation
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On Wed, Feb 12, 2014 at 5:30 AM, David Herrmann <dh.herrmann@gmail.com> wrote:
> Hi
>
> On Mon, Feb 10, 2014 at 6:58 PM, Benjamin Tissoires
> <benjamin.tissoires@redhat.com> wrote:
>> Having our own .request() implementation does not give anything,
>> so use the generic binding.
>>
>> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
>> ---
>> drivers/hid/i2c-hid/i2c-hid.c | 31 -------------------------------
>> 1 file changed, 31 deletions(-)
>>
>> diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
>> index 07a054a..925fb8d 100644
>> --- a/drivers/hid/i2c-hid/i2c-hid.c
>> +++ b/drivers/hid/i2c-hid/i2c-hid.c
>> @@ -632,36 +632,6 @@ static int i2c_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
>> }
>> }
>>
>> -static void i2c_hid_request(struct hid_device *hid, struct hid_report *rep,
>> - int reqtype)
>> -{
>> - struct i2c_client *client = hid->driver_data;
>> - char *buf;
>> - int ret;
>> - int len = i2c_hid_get_report_length(rep) - 2;
>> -
>> - buf = kzalloc(len, GFP_KERNEL);
>
> Haven't you recently fixed this to use hid_alloc_buffer()? Anyhow,

yes, it has been fixed. But Jiri carried it through a *-upstream
branch, which is not merged into his for-next currently (or at the
time I sent the patch). hopefully the merge will be easy, or I can
wait for it to be in for-next before resending a smoother v2.

Cheers,
Benjamin

> patch obviously looks good:
>
> Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
>
> Thanks
> David
>
>> - if (!buf)
>> - return;
>> -
>> - switch (reqtype) {
>> - case HID_REQ_GET_REPORT:
>> - ret = i2c_hid_get_raw_report(hid, rep->id, buf, len, rep->type);
>> - if (ret < 0)
>> - dev_err(&client->dev, "%s: unable to get report: %d\n",
>> - __func__, ret);
>> - else
>> - hid_input_report(hid, rep->type, buf, ret, 0);
>> - break;
>> - case HID_REQ_SET_REPORT:
>> - hid_output_report(rep, buf);
>> - i2c_hid_output_raw_report(hid, buf, len, rep->type, true);
>> - break;
>> - }
>> -
>> - kfree(buf);
>> -}
>> -
>> static int i2c_hid_parse(struct hid_device *hid)
>> {
>> struct i2c_client *client = hid->driver_data;
>> @@ -817,7 +787,6 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
>> .open = i2c_hid_open,
>> .close = i2c_hid_close,
>> .power = i2c_hid_power,
>> - .request = i2c_hid_request,
>> .output_report = i2c_hid_output_report,
>> .raw_request = i2c_hid_raw_request,
>> };
>> --
>> 1.8.3.1
>>


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