Hi, Felipe Ferreri Tonello <eu@xxxxxxxxxxxxxxxxx> writes: >> "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. it's a static inline :-) It won't do any bad to keep it. And, as I said, if we want to ditch aloc_ep_req() eventually, then we have just one place to patch ;-) -- balbi
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