Hi Blabi,
On 18/08/16 08:12, Felipe Balbi wrote:
>
> Hi,
>
> "Felipe F. Tonello" <eu@xxxxxxxxxxxxxxxxx> writes:
>> The default_length parameter of alloc_ep_req was not really necessary
>> and gadget drivers would almost always create an inline function to pass
>> the same value to len and default_len.
>>
>> So this patch also removes duplicate code from few drivers.
>>
>> Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>
>> ---
>> drivers/usb/gadget/function/f_hid.c | 10 ++--------
>> drivers/usb/gadget/function/f_loopback.c | 9 +--------
>> drivers/usb/gadget/function/f_midi.c | 10 ++--------
>> drivers/usb/gadget/function/f_sourcesink.c | 11 ++---------
>> drivers/usb/gadget/u_f.c | 7 +++----
>> drivers/usb/gadget/u_f.h | 3 +--
>> 6 files changed, 11 insertions(+), 39 deletions(-)
>>
>> diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
>> index 51980c50546d..e82a7468252e 100644
>> --- a/drivers/usb/gadget/function/f_hid.c
>> +++ b/drivers/usb/gadget/function/f_hid.c
>> @@ -362,12 +362,6 @@ static int f_hidg_open(struct inode *inode, struct file *fd)
>> /*-------------------------------------------------------------------------*/
>> /* usb_function */
>>
>> -static inline struct usb_request *hidg_alloc_ep_req(struct usb_ep *ep,
>> - unsigned length)
>> -{
>> - return alloc_ep_req(ep, length, length);
>> -}
>
> actually, I prefer to keep these little helpers. I was recently playing
> with adding SG list support to g_zero (I should have patches soon) and
> it was actually very nice to have the sourcesink helper as I could just
> ditch alloc_ep_req(). The change to the driver was local to
> ss_alloc_ep_req() and nothing else changed :-)
>
Right, but then it is worth to have the helper function. In this
particular case, I am removing a useless helper functions, especially
that the previous patch removes the need for the optional parameter in
alloc_ep_req.
--
Felipe
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