Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-05 03:21:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

mtd: mxc_nand: dont call suspend and resume explicitly

Browse Source 
The mtd layer is responsible to call mtd->{suspend,resume}.  Doing it
again in the driver is wrong and results in a warning:

	nand_resume called for a chip which is not in suspended state

at resume time.  Removing the calls from the resume and suspend
functions makes them empty allowing them to be deleted completely.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Eric Bénard 2010-06-17 20:59:04 +02:00 committed by David Woodhouse
parent c9fb67735b
commit 04dd0d3a9a
1 changed files with 1 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/mtd/nand/mxc_nand.c
View File

@ -871,52 +871,11 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
{
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct nand_chip *nand_chip = mtd->priv;
struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
ret = mtd->suspend(mtd);
/*
* nand_suspend locks the device for exclusive access, so
* the clock must already be off.
*/
BUG_ON(!ret && host->clk_act);
return ret;
}
static int mxcnd_resume(struct platform_device *pdev)
{
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct nand_chip *nand_chip = mtd->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
mtd->resume(mtd);
return ret;
}
#else
# define mxcnd_suspend NULL
# define mxcnd_resume NULL
#endif /* CONFIG_PM */
static struct platform_driver mxcnd_driver = {
.driver = {
.name = DRIVER_NAME,
},
.remove = __devexit_p(mxcnd_remove),
.suspend = mxcnd_suspend,
.resume = mxcnd_resume,
};
static int __init mxc_nd_init(void)