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Groups > linux.kernel > #1290061 > unrolled thread
| Started by | "Geyslan G. Bem" <geyslan@gmail.com> |
|---|---|
| First post | 2015-12-12 03:00 +0100 |
| Last post | 2015-12-12 17:40 +0100 |
| Articles | 4 — 2 participants |
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[PATCH] usb: host: ehci-sched: silence checkpatch warning "Geyslan G. Bem" <geyslan@gmail.com> - 2015-12-12 03:00 +0100
Re: [PATCH] usb: host: ehci-sched: silence checkpatch warning "Geyslan G. Bem" <geyslan@gmail.com> - 2015-12-12 03:10 +0100
Re: [PATCH] usb: host: ehci-sched: silence checkpatch warning Alan Stern <stern@rowland.harvard.edu> - 2015-12-12 17:20 +0100
Re: [PATCH] usb: host: ehci-sched: silence checkpatch warning "Geyslan G. Bem" <geyslan@gmail.com> - 2015-12-12 17:40 +0100
| From | "Geyslan G. Bem" <geyslan@gmail.com> |
|---|---|
| Date | 2015-12-12 03:00 +0100 |
| Subject | [PATCH] usb: host: ehci-sched: silence checkpatch warning |
| Message-ID | <qEHDA-3ZD-5@gated-at.bofh.it> |
This patch moves comment into the else branch avoiding the following
misleading warning.
"braces {} are not necessary for single statement blocks"
Caught by checkpatch.
Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Suggested-by: Joe Perches <joe@perches.com>
---
drivers/usb/host/ehci-sched.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index f6e828a..b2af0b3 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1560,13 +1560,10 @@ iso_stream_schedule(
(stream->ps.bw_period - 1);
stream->ps.phase_uf = start & 7;
reserve_release_iso_bandwidth(ehci, stream, 1);
- }
-
- /* New stream is already scheduled; use the upcoming slot */
- else {
+ } else {
+ /* New stream is already scheduled; use the upcoming slot */
start = (stream->ps.phase << 3) + stream->ps.phase_uf;
}
-
stream->next_uframe = start;
new_stream = true;
}
--
2.6.3
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| From | "Geyslan G. Bem" <geyslan@gmail.com> |
|---|---|
| Date | 2015-12-12 03:10 +0100 |
| Message-ID | <qEHNg-4i9-5@gated-at.bofh.it> |
| In reply to | #1290061 |
2015-12-11 22:50 GMT-03:00 Geyslan G. Bem <geyslan@gmail.com>:
> This patch moves comment into the else branch avoiding the following
> misleading warning.
>
> "braces {} are not necessary for single statement blocks"
>
> Caught by checkpatch.
>
> Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
> Suggested-by: Joe Perches <joe@perches.com>
> ---
> drivers/usb/host/ehci-sched.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
> index f6e828a..b2af0b3 100644
> --- a/drivers/usb/host/ehci-sched.c
> +++ b/drivers/usb/host/ehci-sched.c
> @@ -1560,13 +1560,10 @@ iso_stream_schedule(
> (stream->ps.bw_period - 1);
> stream->ps.phase_uf = start & 7;
> reserve_release_iso_bandwidth(ehci, stream, 1);
> - }
> -
> - /* New stream is already scheduled; use the upcoming slot */
> - else {
> + } else {
> + /* New stream is already scheduled; use the upcoming slot */
> start = (stream->ps.phase << 3) + stream->ps.phase_uf;
> }
> -
> stream->next_uframe = start;
> new_stream = true;
> }
> --
> 2.6.3
>
This one must be applied only after the bunch [PATCH 00/10] usb: host:
ehci-sched: cleanup
https://lkml.org/lkml/2015/12/11/940
--
Regards,
Geyslan G. Bem
hackingbits.com
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| From | Alan Stern <stern@rowland.harvard.edu> |
|---|---|
| Date | 2015-12-12 17:20 +0100 |
| Message-ID | <qEV3P-4oQ-13@gated-at.bofh.it> |
| In reply to | #1290061 |
On Fri, 11 Dec 2015, Geyslan G. Bem wrote:
> This patch moves comment into the else branch avoiding the following
> misleading warning.
>
> "braces {} are not necessary for single statement blocks"
>
> Caught by checkpatch.
>
> Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
> Suggested-by: Joe Perches <joe@perches.com>
> ---
> drivers/usb/host/ehci-sched.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
> index f6e828a..b2af0b3 100644
> --- a/drivers/usb/host/ehci-sched.c
> +++ b/drivers/usb/host/ehci-sched.c
> @@ -1560,13 +1560,10 @@ iso_stream_schedule(
> (stream->ps.bw_period - 1);
> stream->ps.phase_uf = start & 7;
> reserve_release_iso_bandwidth(ehci, stream, 1);
> - }
> -
> - /* New stream is already scheduled; use the upcoming slot */
> - else {
> + } else {
> + /* New stream is already scheduled; use the upcoming slot */
Please don't do this. The comment at the start of the "if" part of
this statement comes before the "if" line, so the commend at the start
of the "else" part should come before the "else" line.
If you want to silence the warning about unnecessary braces, get rid of
the braces.
> start = (stream->ps.phase << 3) + stream->ps.phase_uf;
> }
> -
Don't do this.
> stream->next_uframe = start;
> new_stream = true;
> }
Alan Stern
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| From | "Geyslan G. Bem" <geyslan@gmail.com> |
|---|---|
| Date | 2015-12-12 17:40 +0100 |
| Message-ID | <qEVnb-4xa-5@gated-at.bofh.it> |
| In reply to | #1290221 |
Hello,
2015-12-12 13:19 GMT-03:00 Alan Stern <stern@rowland.harvard.edu>:
> On Fri, 11 Dec 2015, Geyslan G. Bem wrote:
>
>> This patch moves comment into the else branch avoiding the following
>> misleading warning.
>>
>> "braces {} are not necessary for single statement blocks"
>>
>> Caught by checkpatch.
>>
>> Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
>> Suggested-by: Joe Perches <joe@perches.com>
>> ---
>> drivers/usb/host/ehci-sched.c | 7 ++-----
>> 1 file changed, 2 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
>> index f6e828a..b2af0b3 100644
>> --- a/drivers/usb/host/ehci-sched.c
>> +++ b/drivers/usb/host/ehci-sched.c
>> @@ -1560,13 +1560,10 @@ iso_stream_schedule(
>> (stream->ps.bw_period - 1);
>> stream->ps.phase_uf = start & 7;
>> reserve_release_iso_bandwidth(ehci, stream, 1);
>> - }
>> -
>> - /* New stream is already scheduled; use the upcoming slot */
>> - else {
>> + } else {
>> + /* New stream is already scheduled; use the upcoming slot */
>
> Please don't do this. The comment at the start of the "if" part of
> this statement comes before the "if" line, so the commend at the start
> of the "else" part should come before the "else" line.
I see. It's particular comment style.
>
> If you want to silence the warning about unnecessary braces, get rid of
> the braces.
Well, this is a particular case of checkpatch due it think that the if
block has a single statement. But it's not true.
Please see:
[BUG] checkpatch warning default switch case
https://lkml.org/lkml/2015/12/11/836
So removing the braces breaks the coding style.
>
>> start = (stream->ps.phase << 3) + stream->ps.phase_uf;
>> }
>> -
>
> Don't do this.
>
>> stream->next_uframe = start;
>> new_stream = true;
>> }
>
> Alan Stern
>
--
Regards,
Geyslan G. Bem
hackingbits.com
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