[PATCH v2 net-next 05/13] net: hns: add syscon operation for dsaf

Yisen Zhuang
2016-04-23T09:05:09Z

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

Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Yisen Zhuang <yisen.zhuang@huawei.com>
---
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