ufs: definitions for phy interface
- Adding some of the definitions missing in unipro.h, including power
enumeration.
- Read Modify Write Line helper function
- Indication for the type of suspend
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index d7fec86..58ecdff 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -474,6 +474,7 @@
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 @@
#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 *);