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authorStanley Chu <stanley.chu@mediatek.com>2019-05-21 14:44:52 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-06-18 19:46:23 -0400
commitee5f1042b20e1ffbc5c7eb0e0883fdbc05cec85f (patch)
tree90e056f19fe096a05c206e45b444c9e2ab5a3acb
parenta1b6fb947f92352bc8edab901d773306c5b80b8b (diff)
scsi: ufs: Introduce ufshcd_is_auto_hibern8_supported()
The checking of Auto-Hibernation support is used in many places in the driver, thus re-factor it as ufshcd_is_auto_hibern8_supported() to make code more clean. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Avri Altman <Avri.Altman@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/ufs/ufs-sysfs.c6
-rw-r--r--drivers/scsi/ufs/ufshcd.c4
-rw-r--r--drivers/scsi/ufs/ufshcd.h5
3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 8d9332bb7d0c..f478685122ff 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -122,7 +122,7 @@ static void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit)
{
unsigned long flags;
- if (!(hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT))
+ if (!ufshcd_is_auto_hibern8_supported(hba))
return;
spin_lock_irqsave(hba->host->host_lock, flags);
@@ -164,7 +164,7 @@ static ssize_t auto_hibern8_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- if (!(hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT))
+ if (!ufshcd_is_auto_hibern8_supported(hba))
return -EOPNOTSUPP;
return snprintf(buf, PAGE_SIZE, "%d\n", ufshcd_ahit_to_us(hba->ahit));
@@ -177,7 +177,7 @@ static ssize_t auto_hibern8_store(struct device *dev,
struct ufs_hba *hba = dev_get_drvdata(dev);
unsigned int timer;
- if (!(hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT))
+ if (!ufshcd_is_auto_hibern8_supported(hba))
return -EOPNOTSUPP;
if (kstrtouint(buf, 0, &timer))
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 8c1c551f2b42..0cf698d05426 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3907,7 +3907,7 @@ static void ufshcd_auto_hibern8_enable(struct ufs_hba *hba)
{
unsigned long flags;
- if (!(hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) || !hba->ahit)
+ if (!ufshcd_is_auto_hibern8_supported(hba) || !hba->ahit)
return;
spin_lock_irqsave(hba->host->host_lock, flags);
@@ -8312,7 +8312,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
UIC_LINK_HIBERN8_STATE);
/* Set the default auto-hiberate idle timer value to 150 ms */
- if (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) {
+ if (ufshcd_is_auto_hibern8_supported(hba)) {
hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) |
FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3);
}
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index ecfa898b9ccc..994d73d03207 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -740,6 +740,11 @@ return true;
#endif
}
+static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba)
+{
+ return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT);
+}
+
#define ufshcd_writel(hba, val, reg) \
writel((val), (hba)->mmio_base + (reg))
#define ufshcd_readl(hba, reg) \