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scsi: ufs: Use the resource-managed function to add devfreq device
author
Chanwoo Choi
<cw00.choi@samsung.com>
Tue, 8 Nov 2016 09:13:28 +0000
(18:13 +0900)
committer
Martin K. Petersen
<martin.petersen@oracle.com>
Wed, 9 Nov 2016 00:16:34 +0000
(19:16 -0500)
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>
drivers/scsi/ufs/ufshcd.c
patch
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diff --git
a/drivers/scsi/ufs/ufshcd.c
b/drivers/scsi/ufs/ufshcd.c
index
8cf5d8f
..
9ca041b
100644
(file)
--- a/
drivers/scsi/ufs/ufshcd.c
+++ b/
drivers/scsi/ufs/ufshcd.c
@@
-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 = dev
m_dev
freq_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",