AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-21 10:29:14 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

net: dsa: microchip: Replace ad-hoc polling with regmap

Browse Source 
Regmap provides polling function to poll for bits in a register,
use in instead of reimplementing it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marek Vasut 2019-06-27 23:55:52 +02:00 committed by David S. Miller
parent d7ee287827
commit 1c1eb5806a
2 changed files with 5 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/dsa/microchip/ksz9477.c
View File

@ -263,12 +263,8 @@ static int ksz9477_reset_switch(struct ksz_device *dev)
static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
u64 *cnt)
{
struct ksz_poll_ctx ctx = {
.dev = dev,
.port = port,
.offset = REG_PORT_MIB_CTRL_STAT__4,
};
struct ksz_port *p = &dev->ports[port];
unsigned int val;
u32 data;
int ret;
@ -278,11 +274,11 @@ static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
data |= (addr << MIB_COUNTER_INDEX_S);
ksz_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, data);
ret = readx_poll_timeout(ksz_pread32_poll, &ctx, data,
!(data & MIB_COUNTER_READ), 10, 1000);
ret = regmap_read_poll_timeout(dev->regmap[2],
PORT_CTRL_ADDR(port, REG_PORT_MIB_CTRL_STAT__4),
val, !(val & MIB_COUNTER_READ), 10, 1000);
/* failed to read MIB. get out of loop */
if (ret < 0) {
if (ret) {
dev_dbg(dev->dev, "Failed to get MIB\n");
return;
}

14
drivers/net/dsa/microchip/ksz_common.h
View File

@ -119,20 +119,6 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset,
ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset), data);
}
struct ksz_poll_ctx {
struct ksz_device *dev;
int port;
int offset;
};
static inline u32 ksz_pread32_poll(struct ksz_poll_ctx *ctx)
{
u32 data;
ksz_pread32(ctx->dev, ctx->port, ctx->offset, &data);
return data;
}
/* Regmap tables generation */
#define KSZ_SPI_OP_RD 3
#define KSZ_SPI_OP_WR 2