This patch provides the read/write function for dsaf to
access the registers through syscon methods.
Signed-off-by: Daode Huang <huangdaode@xxxxxxxxxxxxx>
Signed-off-by: Yisen Zhuang <yisen.zhuang@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
index ed0043a..6a03c94 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
@@ -10,6 +10,7 @@
#ifndef _DSAF_REG_H_
#define _DSAF_REG_H_
+#include <linux/regmap.h>
#define HNS_DEBUG_RING_IRQ_IDX 0
#define HNS_SERVICE_RING_IRQ_IDX 59
#define HNSV2_SERVICE_RING_IRQ_IDX 25
@@ -989,6 +990,19 @@ static inline u32 dsaf_read_reg(u8 __iomem *base, u32 reg)
return readl(reg_addr + reg);
}
+static inline void dsaf_write_syscon(struct regmap *base, u32 reg, u32 value)
+{
+ regmap_write(base, reg, value);
+}
+
+static inline u32 dsaf_read_syscon(struct regmap *base, u32 reg)
+{
+ unsigned int val;
+
+ regmap_read(base, reg, &val);
+ return val;
+}
+
#define dsaf_read_dev(a, reg) \
dsaf_read_reg((a)->io_base, (reg))
--
1.9.1
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