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scsi: ufs: Use the resource-managed function to add devfreq device

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This patch uses the resource-managed to add the devfreq device.  This
function will make it easy to handle the devfreq device.

- struct devfreq *devm_devfreq_add_device(struct device *dev,
				  struct devfreq_dev_profile *profile,
				  const char *governor_name,
				  void *data);
Cc: Vinayak Holikatti <vinholikatti@gmail.com>
Cc: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chanwoo Choi 2016-11-08 18:13:28 +09:00 committed by Martin K. Petersen
parent d079962134
commit 4861ee15f2
1 changed files with 1 additions and 3 deletions
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4
drivers/scsi/ufs/ufshcd.c
View file

@ -6250,8 +6250,6 @@ void ufshcd_remove(struct ufs_hba *hba)
ufshcd_hba_stop(hba, true);
ufshcd_exit_clk_gating(hba);
if (ufshcd_is_clkscaling_enabled(hba))
devfreq_remove_device(hba->devfreq);
ufshcd_hba_exit(hba);
}
EXPORT_SYMBOL_GPL(ufshcd_remove);
@ -6579,7 +6577,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
}
if (ufshcd_is_clkscaling_enabled(hba)) {
hba->devfreq = devfreq_add_device(dev, &ufs_devfreq_profile,
hba->devfreq = devm_devfreq_add_device(dev, &ufs_devfreq_profile,
"simple_ondemand", NULL);
if (IS_ERR(hba->devfreq)) {
dev_err(hba->dev, "Unable to register with devfreq %ld\n",