diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index d7fec869d590..58ecdff5065c 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -474,6 +474,7 @@ struct ufs_hba { struct devfreq *devfreq; struct ufs_clk_scaling clk_scaling; + bool is_sys_suspended; }; /* Returns true if clocks can be gated. Otherwise false */ @@ -499,6 +500,23 @@ static inline bool ufshcd_can_autobkops_during_suspend(struct ufs_hba *hba) #define ufshcd_readl(hba, reg) \ readl((hba)->mmio_base + (reg)) +/** + * ufshcd_rmwl - read modify write into a register + * @hba - per adapter instance + * @mask - mask to apply on read value + * @val - actual value to write + * @reg - register address + */ +static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg) +{ + u32 tmp; + + tmp = ufshcd_readl(hba, reg); + tmp &= ~mask; + tmp |= (val & mask); + ufshcd_writel(hba, tmp, reg); +} + int ufshcd_alloc_host(struct device *, struct ufs_hba **); int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int); void ufshcd_remove(struct ufs_hba *); |