[net-next,05/10] net: hns: add syscon operation for dsaf

Commit Message

Yisen.Zhuang(Zhuangyuzeng) April 28, 2016, 7:01 a.m. UTC

From: Daode Huang <[e-mail]>

This patch provides the read/write function for dsaf to
access the registers through syscon methods.

Signed-off-by: Daode Huang <[e-mail]>
Signed-off-by: Yuzeng Zhuang <[e-mail]>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Patch

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))