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net: hns: add syscon operation for dsaf

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yisen.Zhuang\(Zhuangyuzeng\) 2016-04-23 17:05:09 +08:00 committed by David S. Miller
parent 422c3107ed
commit 86897c960b
1 changed files with 14 additions and 0 deletions
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14
drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
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@ -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))