public inbox for linux-omap@vger.kernel.org
 help / color / mirror / Atom feed
From: Shubhrajyoti <shubhrajyoti@ti.com>
To: Kevin Hilman <khilman@ti.com>
Cc: linux-serial@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org,
	"Govindraj.R" <govindraj.raja@ti.com>
Subject: Re: [PATCH 2/7] UART: OMAP: Cut the clock in the error cases
Date: Wed, 18 Apr 2012 12:14:34 +0530	[thread overview]
Message-ID: <4F8E62D2.9080206@ti.com> (raw)
In-Reply-To: <87bomprjic.fsf@ti.com>

Hi Kevin,
Thanks for the review.

On Wednesday 18 April 2012 05:36 AM, Kevin Hilman wrote:
> Shubhrajyoti D <shubhrajyoti@ti.com> writes:
>
>> In the error cases the clock cut is missed. This patch intends to fix the
>> same.
> Please change the references to 'cut clocks' in subject/changelog here
> (and in other patches) to use runtime suspend instead.   First, runtime PM
> calls do more than cut clocks, but they only do so when
> usecounting/autosuspend timeouts permit.
Yes thanks will fix it.
>
>
>> Cc: stable@vger.kernel.org
> Please hold off on Cc'ing stable until your patches are reviewed and accepted.
OK
>> Cc: Govindraj.R <govindraj.raja@ti.com>
>> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
>> ---
>>  drivers/tty/serial/omap-serial.c |    6 +++++-
>>  1 files changed, 5 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
>> index fe099bb..10e80bb 100644
>> --- a/drivers/tty/serial/omap-serial.c
>> +++ b/drivers/tty/serial/omap-serial.c
>> @@ -319,6 +319,8 @@ static void serial_omap_start_tx(struct uart_port *port)
>>  
>>  		if (ret < 0) {
>>  			serial_omap_enable_ier_thri(up);
>> +			pm_runtime_mark_last_busy(&up->pdev->dev);
>> +			pm_runtime_put_autosuspend(&up->pdev->dev);
> Why the autosuspend version here?
>
> Kevin
>
>
In case the request_dma fails we enable the thri( effectively like intr
mode) so
I thought of using the autosuspend version here .

Do you prefer put version instead ?

With Regards,
Shubhro

  reply	other threads:[~2012-04-18  6:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-16 15:06 [PATCH 0/7] UART: OMAP: Updates Shubhrajyoti D
2012-04-16 15:06 ` [PATCH 1/7] ARM: OMAP: UART: Make context_loss_cnt signed Shubhrajyoti D
2012-04-16 15:06 ` [PATCH 2/7] UART: OMAP: Cut the clock in the error cases Shubhrajyoti D
2012-04-18  0:06   ` Kevin Hilman
2012-04-18  6:44     ` Shubhrajyoti [this message]
2012-04-18 14:00       ` Kevin Hilman
2012-04-18 15:13         ` Shubhrajyoti
2012-04-20 13:20           ` Shubhrajyoti Datta
2012-04-20 13:46             ` Kevin Hilman
2012-04-16 15:06 ` [PATCH 3/7] UART: OMAP: fix software flow control Shubhrajyoti D
2012-04-16 15:06 ` [PATCH 4/7] UART: OMAP: Remove the default setting of special character Shubhrajyoti D
2012-04-16 15:06 ` [PATCH 5/7] UART: OMAP: Prevent cutting of clocks if put_sync immediately follows Shubhrajyoti D
2012-04-16 15:07 ` [PATCH 6/7] UART: OMAP: Remove the hardcode serial_omap_console_ports array Shubhrajyoti D
2012-04-16 15:07 ` [PATCH 7/7] UART: OMAP: Trivial optimisation of the probe and remove Shubhrajyoti D

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F8E62D2.9080206@ti.com \
    --to=shubhrajyoti@ti.com \
    --cc=govindraj.raja@ti.com \
    --cc=khilman@ti.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox