2022-11-21 16:33:39

by Geert Uytterhoeven

[permalink] [raw]
Subject: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

By moving support for the USB Syntek DC1125 Camera to staging, the
dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.

Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
Signed-off-by: Geert Uytterhoeven <[email protected]>
---
drivers/staging/media/deprecated/stkwebcam/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/deprecated/stkwebcam/Kconfig b/drivers/staging/media/deprecated/stkwebcam/Kconfig
index 4450403dff41fb64..7234498e634ac61c 100644
--- a/drivers/staging/media/deprecated/stkwebcam/Kconfig
+++ b/drivers/staging/media/deprecated/stkwebcam/Kconfig
@@ -2,7 +2,7 @@
config VIDEO_STKWEBCAM
tristate "USB Syntek DC1125 Camera support (DEPRECATED)"
depends on VIDEO_DEV
- depends on USB
+ depends on MEDIA_USB_SUPPORT && MEDIA_CAMERA_SUPPORT
help
Say Y here if you want to use this type of camera.
Supported devices are typically found in some Asus laptops,
--
2.25.1



2022-11-23 10:22:14

by Ricardo Ribalda

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

On Mon, 21 Nov 2022 at 16:58, Geert Uytterhoeven
<[email protected]> wrote:
>
> By moving support for the USB Syntek DC1125 Camera to staging, the
> dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
>
> Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Ricardo Ribalda <[email protected]>
> ---
> drivers/staging/media/deprecated/stkwebcam/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/deprecated/stkwebcam/Kconfig b/drivers/staging/media/deprecated/stkwebcam/Kconfig
> index 4450403dff41fb64..7234498e634ac61c 100644
> --- a/drivers/staging/media/deprecated/stkwebcam/Kconfig
> +++ b/drivers/staging/media/deprecated/stkwebcam/Kconfig
> @@ -2,7 +2,7 @@
> config VIDEO_STKWEBCAM
> tristate "USB Syntek DC1125 Camera support (DEPRECATED)"
> depends on VIDEO_DEV
> - depends on USB
> + depends on MEDIA_USB_SUPPORT && MEDIA_CAMERA_SUPPORT
> help
> Say Y here if you want to use this type of camera.
> Supported devices are typically found in some Asus laptops,
> --
> 2.25.1
>


--
Ricardo Ribalda

2022-11-23 10:56:32

by Tommaso Merciai

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

Hi Geert,

On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> By moving support for the USB Syntek DC1125 Camera to staging, the
> dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
>
> Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")

Patch itself looks good but we have some style issue. Applying this
patch I got the following warning from checkpatchl:

WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
#10:

You have to pass only the first 12 chars of the sha1 commit into Fixes
msg:

Use:

Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")

Instead of:

Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")

Thanks & Regards,
Tommaso

> Signed-off-by: Geert Uytterhoeven <[email protected]>
> ---
> drivers/staging/media/deprecated/stkwebcam/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/deprecated/stkwebcam/Kconfig b/drivers/staging/media/deprecated/stkwebcam/Kconfig
> index 4450403dff41fb64..7234498e634ac61c 100644
> --- a/drivers/staging/media/deprecated/stkwebcam/Kconfig
> +++ b/drivers/staging/media/deprecated/stkwebcam/Kconfig
> @@ -2,7 +2,7 @@
> config VIDEO_STKWEBCAM
> tristate "USB Syntek DC1125 Camera support (DEPRECATED)"
> depends on VIDEO_DEV
> - depends on USB
> + depends on MEDIA_USB_SUPPORT && MEDIA_CAMERA_SUPPORT
> help
> Say Y here if you want to use this type of camera.
> Supported devices are typically found in some Asus laptops,
> --
> 2.25.1
>

--
Tommaso Merciai
Embedded Linux Engineer
[email protected]
__________________________________

Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
[email protected]
http://www.amarulasolutions.com

2022-11-23 10:57:03

by Geert Uytterhoeven

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

Hi Tommaso,

On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
<[email protected]> wrote:
> On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > By moving support for the USB Syntek DC1125 Camera to staging, the
> > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> >
> > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
>
> Patch itself looks good but we have some style issue. Applying this
> patch I got the following warning from checkpatchl:
>
> WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> #10:
>
> You have to pass only the first 12 chars of the sha1 commit into Fixes
> msg:
>
> Use:
>
> Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
>
> Instead of:
>
> Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")

I always use 16 chars, to avoid these becoming ambiguous in a few years.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

2022-11-23 11:10:20

by Tommaso Merciai

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

Hi Gaert,

On Wed, Nov 23, 2022 at 11:13:31AM +0100, Geert Uytterhoeven wrote:
> Hi Tommaso,
>
> On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
> <[email protected]> wrote:
> > On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > > By moving support for the USB Syntek DC1125 Camera to staging, the
> > > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> > >
> > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> >
> > Patch itself looks good but we have some style issue. Applying this
> > patch I got the following warning from checkpatchl:
> >
> > WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> > #10:
> >
> > You have to pass only the first 12 chars of the sha1 commit into Fixes
> > msg:
> >
> > Use:
> >
> > Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
> >
> > Instead of:
> >
> > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
>
> I always use 16 chars, to avoid these becoming ambiguous in a few years.
>
> Gr{oetje,eeting}s,

Thanks for sharing this info.

Regards,
Tommaso

>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds

--
Tommaso Merciai
Embedded Linux Engineer
[email protected]
__________________________________

Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
[email protected]
http://www.amarulasolutions.com

2022-11-23 15:50:43

by Dan Carpenter

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

On Wed, Nov 23, 2022 at 11:13:31AM +0100, Geert Uytterhoeven wrote:
> Hi Tommaso,
>
> On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
> <[email protected]> wrote:
> > On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > > By moving support for the USB Syntek DC1125 Camera to staging, the
> > > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> > >
> > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> >
> > Patch itself looks good but we have some style issue. Applying this
> > patch I got the following warning from checkpatchl:
> >
> > WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> > #10:
> >
> > You have to pass only the first 12 chars of the sha1 commit into Fixes
> > msg:
> >
> > Use:
> >
> > Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
> >
> > Instead of:
> >
> > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
>
> I always use 16 chars, to avoid these becoming ambiguous in a few years.
>

If we assume hashes are randomly distributed and that people commit
100k patches every year then with 12 character we would have 17
collisions every 1000 years.

regards,
dan carpenter

2022-11-23 15:53:30

by Geert Uytterhoeven

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

Hi Dan,

On Wed, Nov 23, 2022 at 4:11 PM Dan Carpenter <[email protected]> wrote:
> On Wed, Nov 23, 2022 at 11:13:31AM +0100, Geert Uytterhoeven wrote:
> > On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
> > <[email protected]> wrote:
> > > On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > > > By moving support for the USB Syntek DC1125 Camera to staging, the
> > > > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> > > >
> > > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> > >
> > > Patch itself looks good but we have some style issue. Applying this
> > > patch I got the following warning from checkpatchl:
> > >
> > > WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> > > #10:
> > >
> > > You have to pass only the first 12 chars of the sha1 commit into Fixes
> > > msg:
> > >
> > > Use:
> > >
> > > Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
> > >
> > > Instead of:
> > >
> > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> >
> > I always use 16 chars, to avoid these becoming ambiguous in a few years.
>
> If we assume hashes are randomly distributed and that people commit
> 100k patches every year then with 12 character we would have 17
> collisions every 1000 years.

So I can expect to see a collision before my retirement day
(which coincides with the signed 32-bit time_t flag day ;-)

BTW, does the above take into account that commit hashes can
collide with other object type hashes, too?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

2022-11-23 17:01:00

by Geert Uytterhoeven

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

Hi Dan,

On Wed, Nov 23, 2022 at 4:52 PM Dan Carpenter <[email protected]> wrote:
> On Wed, Nov 23, 2022 at 04:49:05PM +0100, Geert Uytterhoeven wrote:
> > On Wed, Nov 23, 2022 at 4:11 PM Dan Carpenter <[email protected]> wrote:
> > > On Wed, Nov 23, 2022 at 11:13:31AM +0100, Geert Uytterhoeven wrote:
> > > > On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
> > > > <[email protected]> wrote:
> > > > > On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > > > > > By moving support for the USB Syntek DC1125 Camera to staging, the
> > > > > > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> > > > > >
> > > > > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> > > > >
> > > > > Patch itself looks good but we have some style issue. Applying this
> > > > > patch I got the following warning from checkpatchl:
> > > > >
> > > > > WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> > > > > #10:
> > > > >
> > > > > You have to pass only the first 12 chars of the sha1 commit into Fixes
> > > > > msg:
> > > > >
> > > > > Use:
> > > > >
> > > > > Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
> > > > >
> > > > > Instead of:
> > > > >
> > > > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> > > >
> > > > I always use 16 chars, to avoid these becoming ambiguous in a few years.
> > >
> > > If we assume hashes are randomly distributed and that people commit
> > > 100k patches every year then with 12 character we would have 17
> > > collisions every 1000 years.
> >
> > So I can expect to see a collision before my retirement day
> > (which coincides with the signed 32-bit time_t flag day ;-)
> >
> > BTW, does the above take into account that commit hashes can
> > collide with other object type hashes, too?
>
> I assumed that `git show` won't show those other object types, but I
> don't really know if that's true.

"git show" is not limited to commit types:

$ git cat-file commit eb7081409f94a9a8608593d0fb63a1aa3d6f95d8
tree 0e320b5ae477efe1c9928057762bf63d730204ce
parent c6c67bf9bc2714d9c2c2e7ecfbf29d912b8c4f17
author Linus Torvalds <[email protected]> 1668988936 -0800
committer Linus Torvalds <[email protected]> 1668988936 -0800

Linux 6.1-rc6
$ git show 0e320b5ae477efe1c9928057762bf63d730204ce
tree 0e320b5ae477efe1c9928057762bf63d730204ce

.clang-format
.cocciconfig
[...]
$ git show eb708
error: short SHA1 eb708 is ambiguous
hint: The candidates are:
hint: eb7081409f94a9a8 commit 2022-11-20 - Linux 6.1-rc6
hint: eb708b0ff972bfe0 commit 2016-11-12 - arm64: dts: Add ARM PMU
node for exynos7
hint: eb7080213d0fee54 tree
hint: eb7080d36f660012 tree
hint: eb7083e15bcb5eea tree
hint: eb7083f45a088bf3 tree
hint: eb7084a7ae5f486a tree
hint: eb70866f5c60a477 tree
hint: eb7087c754052a42 tree
hint: eb7089eeb5f67a5f tree
hint: eb708a906ceeea91 tree
hint: eb708c1853ce1355 tree
hint: eb708ca4d77be915 tree
hint: eb708e4839466fdd tree
hint: eb708431cb964d36 blob
hint: eb708b77c4a54a68 blob
fatal: ambiguous argument 'eb708': unknown revision or path not in the
working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'

I couldn't find an easy way to count the number of objects per
type in a repository.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

2022-11-23 17:04:33

by Dan Carpenter

[permalink] [raw]
Subject: Re: [PATCH resend] media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies

On Wed, Nov 23, 2022 at 04:49:05PM +0100, Geert Uytterhoeven wrote:
> Hi Dan,
>
> On Wed, Nov 23, 2022 at 4:11 PM Dan Carpenter <[email protected]> wrote:
> > On Wed, Nov 23, 2022 at 11:13:31AM +0100, Geert Uytterhoeven wrote:
> > > On Wed, Nov 23, 2022 at 11:08 AM Tommaso Merciai
> > > <[email protected]> wrote:
> > > > On Mon, Nov 21, 2022 at 04:58:33PM +0100, Geert Uytterhoeven wrote:
> > > > > By moving support for the USB Syntek DC1125 Camera to staging, the
> > > > > dependencies on MEDIA_USB_SUPPORT and MEDIA_CAMERA_SUPPORT were lost.
> > > > >
> > > > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> > > >
> > > > Patch itself looks good but we have some style issue. Applying this
> > > > patch I got the following warning from checkpatchl:
> > > >
> > > > WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")'
> > > > #10:
> > > >
> > > > You have to pass only the first 12 chars of the sha1 commit into Fixes
> > > > msg:
> > > >
> > > > Use:
> > > >
> > > > Fixes: 56280c64ecac ("media: stkwebcam: deprecate driver, move to staging")
> > > >
> > > > Instead of:
> > > >
> > > > Fixes: 56280c64ecacc971 ("media: stkwebcam: deprecate driver, move to staging")
> > >
> > > I always use 16 chars, to avoid these becoming ambiguous in a few years.
> >
> > If we assume hashes are randomly distributed and that people commit
> > 100k patches every year then with 12 character we would have 17
> > collisions every 1000 years.
>
> So I can expect to see a collision before my retirement day
> (which coincides with the signed 32-bit time_t flag day ;-)
>
> BTW, does the above take into account that commit hashes can
> collide with other object type hashes, too?

I assumed that `git show` won't show those other object types, but I
don't really know if that's true.

regards,
dan carpenter