From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Fu, Zhonghui" <zhonghui.fu@linux.intel.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
yunpeng.gao@intel.com, peter.griffin@linaro.org
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously
Date: Mon, 21 Sep 2015 12:32:09 +0300 [thread overview]
Message-ID: <1442827929.8361.119.camel@linux.intel.com> (raw)
In-Reply-To: <55FFA8DD.5020109@linux.intel.com>
On Mon, 2015-09-21 at 14:51 +0800, Fu, Zhonghui wrote:
> Now, PM core supports asynchronous suspend/resume mode for devices
> during system suspend/resume, and the power state transition of one
> device may be completed in separate kernel thread. PM core ensures
> all power state transition timing dependency between devices. This
> patch enables sdhci-acpi device to suspend/resume asynchronously.
> This will take advantage of multicore and improve system
> suspend/resume speed.
>
It would be nice I think to put here statistics you collected as well.
> Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com>
> ---
> Changes in v2:
> - Amend commit message.
>
> drivers/mmc/host/sdhci-acpi.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci
> -acpi.c
> index 22d929f..67e6263 100644
> --- a/drivers/mmc/host/sdhci-acpi.c
> +++ b/drivers/mmc/host/sdhci-acpi.c
> @@ -379,6 +379,8 @@ static int sdhci_acpi_probe(struct
> platform_device *pdev)
> pm_runtime_enable(dev);
> }
>
> + device_enable_async_suspend(dev);
> +
> return 0;
>
> err_free:
> -- 1.7.1
>
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2015-09-21 9:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 6:51 [PATCH v2] mmc/sdhci-acpi: enable sdhci-acpi device to suspend/resume asynchronously Fu, Zhonghui
2015-09-21 9:32 ` Andy Shevchenko [this message]
2015-11-16 6:29 ` Fu, Zhonghui
2015-11-16 6:25 ` Fu, Zhonghui
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