Re: [PATCH 3/3] sh_mmcif / PM: Use PM QoS requests, v2

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On Sun, 4 Mar 2012, Rafael J. Wysocki wrote:

> From: Rafael J. Wysocki <rjw@xxxxxxx>
> 
> Make sh_mmcif populate the pm_qos member of struct mmc_host, to
> let the core know that it should create the pm_latency_limit_ms
> host attribute for it, and set the default value of that attribute
> to 100 ms.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> ---
>  drivers/mmc/host/sh_mmcif.c |   10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> Index: linux/drivers/mmc/host/sh_mmcif.c
> ===================================================================
> --- linux.orig/drivers/mmc/host/sh_mmcif.c
> +++ linux/drivers/mmc/host/sh_mmcif.c
> @@ -57,6 +57,7 @@
>  #include <linux/pagemap.h>
>  #include <linux/platform_device.h>
>  #include <linux/pm_runtime.h>
> +#include <linux/slab.h>
>  #include <linux/spinlock.h>
>  #include <linux/module.h>
>  
> @@ -1327,6 +1328,12 @@ static int __devinit sh_mmcif_probe(stru
>  	if (ret < 0)
>  		goto clean_up2;
>  
> +	mmc->pm_qos = kzalloc(sizeof(*mmc->pm_qos), GFP_KERNEL);
> +	if (mmc->pm_qos)
> +		mmc->pm_qos->val = 100;

Same comments as for tmio_mmc: embed pm_qos and reduce the value?

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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