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Date: Sat, 26 Mar 2022 15:11:46 -0500
From: Larry Finger <Larry.Finger@...inger.net>
To: Joe Perches <joe@...ches.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Benjamin Stürz <benni@...erz.xyz>
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Subject: Re: [PATCH 16/22] dvb-usb: Replace comments with C99 initializers
On 3/26/22 14:51, Joe Perches wrote:
> On Sat, 2022-03-26 at 19:27 +0100, Mauro Carvalho Chehab wrote:
>> Em Sat, 26 Mar 2022 19:24:54 +0100
>> Mauro Carvalho Chehab <mchehab@...nel.org> escreveu:
>>
>>> Em Sat, 26 Mar 2022 17:59:03 +0100
>>> Benjamin Stürz <benni@...erz.xyz> escreveu:
>>>
>>>> This replaces comments with C99's designated
>>>> initializers because the kernel supports them now.
>>>>
>>>> Signed-off-by: Benjamin Stürz <benni@...erz.xyz>
>>>> ---
>>>> drivers/media/usb/dvb-usb/dibusb-mb.c | 62 +++++++++++++--------------
>>>> drivers/media/usb/dvb-usb/dibusb-mc.c | 34 +++++++--------
>>>> 2 files changed, 48 insertions(+), 48 deletions(-)
>>>>
>>>> diff --git a/drivers/media/usb/dvb-usb/dibusb-mb.c b/drivers/media/usb/dvb-usb/dibusb-mb.c
>>>> index e9dc27f73970..f188e07f518b 100644
>>>> --- a/drivers/media/usb/dvb-usb/dibusb-mb.c
>>>> +++ b/drivers/media/usb/dvb-usb/dibusb-mb.c
>>>> @@ -122,40 +122,40 @@ static int dibusb_probe(struct usb_interface *intf,
>>>>
>>>> /* do not change the order of the ID table */
>>>> static struct usb_device_id dibusb_dib3000mb_table [] = {
>>>> -/* 00 */ { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_AVERMEDIA_DVBT_USB_COLD) },
>>>> -/* 01 */ { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_AVERMEDIA_DVBT_USB_WARM) },
>>>> -/* 02 */ { USB_DEVICE(USB_VID_COMPRO, USB_PID_COMPRO_DVBU2000_COLD) },
>>>> -/* 03 */ { USB_DEVICE(USB_VID_COMPRO, USB_PID_COMPRO_DVBU2000_WARM) },
>>>> -/* 04 */ { USB_DEVICE(USB_VID_COMPRO_UNK, USB_PID_COMPRO_DVBU2000_UNK_COLD) },
>>>> -/* 05 */ { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_MOD3000_COLD) },
>>>> -/* 06 */ { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_MOD3000_WARM) },
>>>> -/* 07 */ { USB_DEVICE(USB_VID_EMPIA, USB_PID_KWORLD_VSTREAM_COLD) },
>>>> -/* 08 */ { USB_DEVICE(USB_VID_EMPIA, USB_PID_KWORLD_VSTREAM_WARM) },
>>>> -/* 09 */ { USB_DEVICE(USB_VID_GRANDTEC, USB_PID_GRANDTEC_DVBT_USB_COLD) },
>>>> -/* 10 */ { USB_DEVICE(USB_VID_GRANDTEC, USB_PID_GRANDTEC_DVBT_USB_WARM) },
>>>> -/* 11 */ { USB_DEVICE(USB_VID_GRANDTEC, USB_PID_DIBCOM_MOD3000_COLD) },
>>>> -/* 12 */ { USB_DEVICE(USB_VID_GRANDTEC, USB_PID_DIBCOM_MOD3000_WARM) },
>>>> -/* 13 */ { USB_DEVICE(USB_VID_HYPER_PALTEK, USB_PID_UNK_HYPER_PALTEK_COLD) },
>>>> -/* 14 */ { USB_DEVICE(USB_VID_HYPER_PALTEK, USB_PID_UNK_HYPER_PALTEK_WARM) },
>>>> -/* 15 */ { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7041_COLD) },
>>>> -/* 16 */ { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7041_WARM) },
>>>> -/* 17 */ { USB_DEVICE(USB_VID_TWINHAN, USB_PID_TWINHAN_VP7041_COLD) },
>>>> -/* 18 */ { USB_DEVICE(USB_VID_TWINHAN, USB_PID_TWINHAN_VP7041_WARM) },
>>>> -/* 19 */ { USB_DEVICE(USB_VID_ULTIMA_ELECTRONIC, USB_PID_ULTIMA_TVBOX_COLD) },
>>>> -/* 20 */ { USB_DEVICE(USB_VID_ULTIMA_ELECTRONIC, USB_PID_ULTIMA_TVBOX_WARM) },
>>>> -/* 21 */ { USB_DEVICE(USB_VID_ULTIMA_ELECTRONIC, USB_PID_ULTIMA_TVBOX_AN2235_COLD) },
>>>> -/* 22 */ { USB_DEVICE(USB_VID_ULTIMA_ELECTRONIC, USB_PID_ULTIMA_TVBOX_AN2235_WARM) },
>>>> -/* 23 */ { USB_DEVICE(USB_VID_ADSTECH, USB_PID_ADSTECH_USB2_COLD) },
>>>> +[0] = { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_AVERMEDIA_DVBT_USB_COLD) },
>>>> +[1] = { USB_DEVICE(USB_VID_WIDEVIEW, USB_PID_AVERMEDIA_DVBT_USB_WARM) },
>>>
>>> While here, please properly indent this table, and respect the 80-columns limit,
>>> e. g.:
>>>
>>> static struct usb_device_id dibusb_dib3000mb_table [] = {
>>> [0] = { USB_DEVICE(USB_VID_WIDEVIEW
>>> USB_PID_AVERMEDIA_DVBT_USB_COLD)
>>> },
>>> [1] = { USB_DEVICE(USB_VID_WIDEVIEW,
>>> USB_PID_AVERMEDIA_DVBT_USB_WARM)
>>> },
>>> ...
>>
>> Err.... something went wrong with my space bar and I ended hitting send to
>> soon... I meant:
>>
>> static struct usb_device_id dibusb_dib3000mb_table [] = {
>> [0] = { USB_DEVICE(USB_VID_WIDEVIEW
>> USB_PID_AVERMEDIA_DVBT_USB_COLD)
>> },
>> [1] = { USB_DEVICE(USB_VID_WIDEVIEW,
>> USB_PID_AVERMEDIA_DVBT_USB_WARM)
>> },
>> ...
>> };
>
> maybe static const too
>
> and
>
> maybe
>
> #define DIB_DEVICE(vid, pid) \
> { USB_DEVICE(USB_VID_ ## vid, USB_PID_ ## pid) }
>
> so maybe
>
> static const struct usb_device_id dibusb_dib3000mb_table[] = {
> [0] = DIB_DEVICE(WIDEVIEW, AVERMEDIA_DVBT_USB_COLD),
> [1] = DIB_DEVICE(WIDEVIEW, AVERMEDIA_DVBT_USB_WARM),
> ...
> };
>
> though I _really_ doubt the value of the specific indexing.
>
> I think this isn't really worth changing at all.
I agree. For the drivers that I maintain, I try to keep the vendor and device
ids in numerical order. As this table does not require a special order, adding a
new one in the middle would require redoing all of then after that point. That
would be pointless work!
Larry
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