Re: [PATCH v3 6/9] omap: hsmmc: remove unused variable - Ohad Ben-Cohen

From: Ohad Ben-Cohen <ohad@wizery.com>
To: Adrian Hunter <adrian.hunter@nokia.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	Mark Brown <broonie@opensource.wolfsonmicro.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Chikkature Rajashekar Madhusudhan <madhu.cr@ti.com>,
	"Coelho Luciano (Nokia-MS/Helsinki)" <Luciano.Coelho@nokia.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	San Mehat <san@google.com>,
	"Quadros Roger (Nokia-MS/Helsinki)" <roger.quadros@nokia.com>,
	Tony Lindgren <tony@atomide.com>,
	Nicolas Pitre <nico@fluxnic.net>,
	Pandita Vikram <vikram.pandita@ti.com>,
	Kalle Valo <kalle.valo@iki.fi>
Subject: Re: [PATCH v3 6/9] omap: hsmmc: remove unused variable
Date: Wed, 11 Aug 2010 13:08:28 +0300	[thread overview]
Message-ID: <AANLkTi=bB++-VU88JQTicJeYf==9qccx0HMDiz5-geyg@mail.gmail.com> (raw)
In-Reply-To: <4C627378.2090304@nokia.com>

On Wed, Aug 11, 2010 at 12:55 PM, Adrian Hunter <adrian.hunter@nokia.com> wrote:
> Ohad Ben-Cohen wrote:
>>
>> Make this go away:
>>
>> drivers/mmc/host/omap_hsmmc.c: In function 'omap_hsmmc_suspend':
>> drivers/mmc/host/omap_hsmmc.c:2328: warning: unused variable 'state'
>
> Was done a while ago.

Are you sure ?

I can still see the unused state variable in Linus' tree:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/mmc/host/omap_hsmmc.c;h=b032828c61263028963bd412a7455546d5e86ce7;hb=HEAD#l2275


> See 1a13f8fa76c880be41d6b1e6a2b44404bcbfdf9e in linus' tree.

This commit only seem to adapt to the API change (the state variable
is not removed):

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d25b19b..b032828 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2292,7 +2292,7 @@ static int omap_hsmmc_suspend(struct device *dev)
                }
                cancel_work_sync(&host->mmc_carddetect_work);
                mmc_host_enable(host->mmc);
-               ret = mmc_suspend_host(host->mmc, state);
+               ret = mmc_suspend_host(host->mmc);
                if (ret == 0) {
                        omap_hsmmc_disable_irq(host);
                        OMAP_HSMMC_WRITE(host->base, HCTL,

>
>>
>> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
>> ---
>>  drivers/mmc/host/omap_hsmmc.c |    1 -
>>  1 files changed, 0 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
>> index b032828..d50e917 100644
>> --- a/drivers/mmc/host/omap_hsmmc.c
>> +++ b/drivers/mmc/host/omap_hsmmc.c
>> @@ -2272,7 +2272,6 @@ static int omap_hsmmc_suspend(struct device *dev)
>>        int ret = 0;
>>        struct platform_device *pdev = to_platform_device(dev);
>>        struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
>> -       pm_message_t state = PMSG_SUSPEND; /* unused by MMC core */
>>        if (host && host->suspended)
>>                return 0;
>
>
