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From: skannan@codeaurora.org (Saravana Kannan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] clk: Disable unused clocks after deferred probing is done
Date: Wed, 15 May 2013 21:34:03 -0700	[thread overview]
Message-ID: <519461BB.3010209@codeaurora.org> (raw)
In-Reply-To: <1368124502-18830-1-git-send-email-skannan@codeaurora.org>

On 05/09/2013 11:35 AM, Saravana Kannan wrote:
> With deferred probing, late_initcall() is too soon to declare a clock as
> unused. Wait for deferred probing to finish before declaring a clock as
> unused. Since deferred probing is done in late_initcall(), do the unused
> check to late_initcall_sync.
>
> Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
> ---
>   drivers/clk/clk.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index fe4055f..5ecb64c 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -534,7 +534,7 @@ static int clk_disable_unused(void)
>
>   	return 0;
>   }
> -late_initcall(clk_disable_unused);
> +late_initcall_sync(clk_disable_unused);
>
>   /***    helper functions   ***/

Mike,

Thoughts? Picking it up? Removing the existing auto-disable code (I 
think they are still useful)?

-Saravana


-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

  parent reply	other threads:[~2013-05-16  4:34 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-09  5:18 [PATCH 0/3] Fix disable of unused clk/regulator with deferred probe Saravana Kannan
2013-05-09  5:18 ` [PATCH 1/3] driver core: Add API to wait for deferred probe to complete during init Saravana Kannan
2013-05-09 10:07   ` Ming Lei
2013-05-09 11:50     ` Grant Likely
2013-05-09 13:50       ` Mark Brown
2013-05-09 14:14         ` Russell King - ARM Linux
2013-05-09 14:37           ` Mark Brown
2013-05-09 15:07             ` Russell King - ARM Linux
2013-05-09 15:43               ` Mark Brown
2013-05-09 18:39               ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-09 16:39           ` Grant Likely
2013-05-10  9:30             ` Mark Brown
2013-05-09 16:52       ` Saravana Kannan
2013-05-09 18:09         ` Grant Likely
2013-05-09 18:12           ` Saravana Kannan
2013-05-09 14:32   ` Ming Lei
2013-05-09  5:18 ` [PATCH 2/3] clk: Disable unused clocks after deferred probing is done Saravana Kannan
2013-05-09  5:18 ` [PATCH 3/3] regulator: core: Disable unused regulators " Saravana Kannan
2013-05-09 18:35 ` [PATCH v2 1/2] clk: Disable unused clocks " Saravana Kannan
2013-05-09 18:35   ` [PATCH 2/2] regulator: core: Disable unused regulators " Saravana Kannan
2013-05-10  6:45   ` [PATCH v2 1/2] clk: Disable unused clocks " Jean-Christophe PLAGNIOL-VILLARD
2013-05-10 23:03     ` Saravana Kannan
2013-05-22 10:35       ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-16  4:34   ` Saravana Kannan [this message]
2013-05-16 12:55     ` Ulf Hansson
2013-05-16 19:23       ` Saravana Kannan
2013-05-29  7:51     ` Mike Turquette
2013-05-30  1:46       ` Saravana Kannan

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