[net-next PATCH 08/19] net: dsa: qca8k: convert qca8k to regmap helper

From: Ansuel Smith
Date: Wed Nov 17 2021 - 16:06:25 EST

Convert any qca8k read/write/rmw/set/clear/pool to regmap helper and add
missing config to regmap_config struct.

Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
---
drivers/net/dsa/qca8k.c | 289 ++++++++++++++++++----------------------
1 file changed, 131 insertions(+), 158 deletions(-)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 792b999da37c..7f71607bec3f 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -10,6 +10,7 @@
#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/bitfield.h>
+#include <linux/regmap.h>
#include <net/dsa.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
@@ -150,8 +151,9 @@ qca8k_set_page(struct mii_bus *bus, u16 page)
}

static int
-qca8k_read(struct qca8k_priv *priv, u32 reg, u32 *val)
+qca8k_regmap_read(void *ctx, uint32_t reg, uint32_t *val)
{
+ struct qca8k_priv *priv = (struct qca8k_priv *)ctx;
struct mii_bus *bus = priv->bus;
u16 r1, r2, page;
int ret;
@@ -172,8 +174,9 @@ qca8k_read(struct qca8k_priv *priv, u32 reg, u32 *val)
}

static int
-qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val)
+qca8k_regmap_write(void *ctx, uint32_t reg, uint32_t val)
{
+ struct qca8k_priv *priv = (struct qca8k_priv *)ctx;
struct mii_bus *bus = priv->bus;
u16 r1, r2, page;
int ret;
@@ -194,8 +197,9 @@ qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val)
}

static int
-qca8k_rmw(struct qca8k_priv *priv, u32 reg, u32 mask, u32 write_val)
+qca8k_regmap_update_bits(void *ctx, uint32_t reg, uint32_t mask, uint32_t write_val)
{
+ struct qca8k_priv *priv = (struct qca8k_priv *)ctx;
struct mii_bus *bus = priv->bus;
u16 r1, r2, page;
u32 val;
@@ -223,34 +227,6 @@ qca8k_rmw(struct qca8k_priv *priv, u32 reg, u32 mask, u32 write_val)
return ret;
}

-static int
-qca8k_reg_set(struct qca8k_priv *priv, u32 reg, u32 val)
-{
- return qca8k_rmw(priv, reg, 0, val);
-}
-
-static int
-qca8k_reg_clear(struct qca8k_priv *priv, u32 reg, u32 val)
-{
- return qca8k_rmw(priv, reg, val, 0);
-}
-
-static int
-qca8k_regmap_read(void *ctx, uint32_t reg, uint32_t *val)
-{
- struct qca8k_priv *priv = (struct qca8k_priv *)ctx;
-
- return qca8k_read(priv, reg, val);
-}
-
-static int
-qca8k_regmap_write(void *ctx, uint32_t reg, uint32_t val)
-{
- struct qca8k_priv *priv = (struct qca8k_priv *)ctx;
-
- return qca8k_write(priv, reg, val);
-}
-
static const struct regmap_range qca8k_readable_ranges[] = {
regmap_reg_range(0x0000, 0x00e4), /* Global control */
regmap_reg_range(0x0100, 0x0168), /* EEE control */
@@ -282,26 +258,19 @@ static struct regmap_config qca8k_regmap_config = {
.max_register = 0x16ac, /* end MIB - Port6 range */
.reg_read = qca8k_regmap_read,
.reg_write = qca8k_regmap_write,
+ .reg_update_bits = qca8k_regmap_update_bits,
.rd_table = &qca8k_readable_table,
+ .disable_locking = true, /* Locking is handled by qca8k read/write */
+ .cache_type = REGCACHE_NONE, /* Explicitly disable CACHE */
};

static int
qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask)
{
- int ret, ret1;
u32 val;

- ret = read_poll_timeout(qca8k_read, ret1, !(val & mask),
- 0, QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC, false,
- priv, reg, &val);
-
- /* Check if qca8k_read has failed for a different reason
- * before returning -ETIMEDOUT
- */
- if (ret < 0 && ret1 < 0)
- return ret1;
-
- return ret;
+ return regmap_read_poll_timeout(priv->regmap, reg, val, !(val & mask), 0,
+ QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC);
}

static int
@@ -312,7 +281,7 @@ qca8k_fdb_read(struct qca8k_priv *priv, struct qca8k_fdb *fdb)

/* load the ARL table into an array */
for (i = 0; i < 4; i++) {
- ret = qca8k_read(priv, QCA8K_REG_ATU_DATA0 + (i * 4), &val);
+ ret = regmap_read(priv->regmap, QCA8K_REG_ATU_DATA0 + (i * 4), &val);
if (ret < 0)
return ret;

@@ -359,7 +328,7 @@ qca8k_fdb_write(struct qca8k_priv *priv, u16 vid, u8 port_mask, const u8 *mac,

/* load the array into the ARL table */
for (i = 0; i < 3; i++)
- qca8k_write(priv, QCA8K_REG_ATU_DATA0 + (i * 4), reg[i]);
+ regmap_write(priv->regmap, QCA8K_REG_ATU_DATA0 + (i * 4), reg[i]);
}

static int
@@ -377,7 +346,7 @@ qca8k_fdb_access(struct qca8k_priv *priv, enum qca8k_fdb_cmd cmd, int port)
}

/* Write the function register triggering the table access */
- ret = qca8k_write(priv, QCA8K_REG_ATU_FUNC, reg);
+ ret = regmap_write(priv->regmap, QCA8K_REG_ATU_FUNC, reg);
if (ret)
return ret;

@@ -388,7 +357,7 @@ qca8k_fdb_access(struct qca8k_priv *priv, enum qca8k_fdb_cmd cmd, int port)

/* Check for table full violation when adding an entry */
if (cmd == QCA8K_FDB_LOAD) {
- ret = qca8k_read(priv, QCA8K_REG_ATU_FUNC, &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_ATU_FUNC, &reg);
if (ret < 0)
return ret;
if (reg & QCA8K_ATU_FUNC_FULL)
@@ -458,7 +427,7 @@ qca8k_vlan_access(struct qca8k_priv *priv, enum qca8k_vlan_cmd cmd, u16 vid)
reg |= FIELD_PREP(QCA8K_VTU_FUNC1_VID_MASK, vid);

/* Write the function register triggering the table access */
- ret = qca8k_write(priv, QCA8K_REG_VTU_FUNC1, reg);
+ ret = regmap_write(priv->regmap, QCA8K_REG_VTU_FUNC1, reg);
if (ret)
return ret;

@@ -469,7 +438,7 @@ qca8k_vlan_access(struct qca8k_priv *priv, enum qca8k_vlan_cmd cmd, u16 vid)

/* Check for table full violation when adding an entry */
if (cmd == QCA8K_VLAN_LOAD) {
- ret = qca8k_read(priv, QCA8K_REG_VTU_FUNC1, &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_VTU_FUNC1, &reg);
if (ret < 0)
return ret;
if (reg & QCA8K_VTU_FUNC1_FULL)
@@ -497,7 +466,7 @@ qca8k_vlan_add(struct qca8k_priv *priv, u8 port, u16 vid, bool untagged)
if (ret < 0)
goto out;

- ret = qca8k_read(priv, QCA8K_REG_VTU_FUNC0, &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_VTU_FUNC0, &reg);
if (ret < 0)
goto out;
reg |= QCA8K_VTU_FUNC0_VALID | QCA8K_VTU_FUNC0_IVL_EN;
@@ -507,7 +476,7 @@ qca8k_vlan_add(struct qca8k_priv *priv, u8 port, u16 vid, bool untagged)
else
reg |= QCA8K_VTU_FUNC0_EG_MODE_PORT_TAG(port);

- ret = qca8k_write(priv, QCA8K_REG_VTU_FUNC0, reg);
+ ret = regmap_write(priv->regmap, QCA8K_REG_VTU_FUNC0, reg);
if (ret)
goto out;
ret = qca8k_vlan_access(priv, QCA8K_VLAN_LOAD, vid);
@@ -530,7 +499,7 @@ qca8k_vlan_del(struct qca8k_priv *priv, u8 port, u16 vid)
if (ret < 0)
goto out;

- ret = qca8k_read(priv, QCA8K_REG_VTU_FUNC0, &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_VTU_FUNC0, &reg);
if (ret < 0)
goto out;
reg &= ~QCA8K_VTU_FUNC0_EG_MODE_PORT_MASK(port);
@@ -550,7 +519,7 @@ qca8k_vlan_del(struct qca8k_priv *priv, u8 port, u16 vid)
if (del) {
ret = qca8k_vlan_access(priv, QCA8K_VLAN_PURGE, vid);
} else {
- ret = qca8k_write(priv, QCA8K_REG_VTU_FUNC0, reg);
+ ret = regmap_write(priv->regmap, QCA8K_REG_VTU_FUNC0, reg);
if (ret)
goto out;
ret = qca8k_vlan_access(priv, QCA8K_VLAN_LOAD, vid);
@@ -568,7 +537,7 @@ qca8k_mib_init(struct qca8k_priv *priv)
int ret;

mutex_lock(&priv->reg_mutex);
- ret = qca8k_reg_set(priv, QCA8K_REG_MIB, QCA8K_MIB_FLUSH | QCA8K_MIB_BUSY);
+ ret = regmap_set_bits(priv->regmap, QCA8K_REG_MIB, QCA8K_MIB_FLUSH | QCA8K_MIB_BUSY);
if (ret)
goto exit;

@@ -576,11 +545,11 @@ qca8k_mib_init(struct qca8k_priv *priv)
if (ret)
goto exit;

- ret = qca8k_reg_set(priv, QCA8K_REG_MIB, QCA8K_MIB_CPU_KEEP);
+ ret = regmap_set_bits(priv->regmap, QCA8K_REG_MIB, QCA8K_MIB_CPU_KEEP);
if (ret)
goto exit;

- ret = qca8k_write(priv, QCA8K_REG_MODULE_EN, QCA8K_MODULE_EN_MIB);
+ ret = regmap_write(priv->regmap, QCA8K_REG_MODULE_EN, QCA8K_MODULE_EN_MIB);

exit:
mutex_unlock(&priv->reg_mutex);
@@ -597,9 +566,9 @@ qca8k_port_set_status(struct qca8k_priv *priv, int port, int enable)
mask |= QCA8K_PORT_STATUS_LINK_AUTO;

if (enable)
- qca8k_reg_set(priv, QCA8K_REG_PORT_STATUS(port), mask);
+ regmap_set_bits(priv->regmap, QCA8K_REG_PORT_STATUS(port), mask);
else
- qca8k_reg_clear(priv, QCA8K_REG_PORT_STATUS(port), mask);
+ regmap_clear_bits(priv->regmap, QCA8K_REG_PORT_STATUS(port), mask);
}

static u32
@@ -861,8 +830,8 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv)
* a dt-overlay and driver reload changed the configuration
*/

- return qca8k_reg_clear(priv, QCA8K_MDIO_MASTER_CTRL,
- QCA8K_MDIO_MASTER_EN);
+ return regmap_clear_bits(priv->regmap, QCA8K_MDIO_MASTER_CTRL,
+ QCA8K_MDIO_MASTER_EN);
}

/* Check if the devicetree declare the port:phy mapping */
@@ -903,10 +872,10 @@ qca8k_setup_mac_pwr_sel(struct qca8k_priv *priv)
mask |= QCA8K_MAC_PWR_RGMII1_1_8V;

if (mask) {
- ret = qca8k_rmw(priv, QCA8K_REG_MAC_PWR_SEL,
- QCA8K_MAC_PWR_RGMII0_1_8V |
- QCA8K_MAC_PWR_RGMII1_1_8V,
- mask);
+ ret = regmap_update_bits(priv->regmap, QCA8K_REG_MAC_PWR_SEL,
+ QCA8K_MAC_PWR_RGMII0_1_8V |
+ QCA8K_MAC_PWR_RGMII1_1_8V,
+ mask);
}

return ret;
@@ -947,8 +916,9 @@ qca8k_setup_of_pws_reg(struct qca8k_priv *priv)
if (data->reduced_package)
val |= QCA8327_PWS_PACKAGE148_EN;

- ret = qca8k_rmw(priv, QCA8K_REG_PWS, QCA8327_PWS_PACKAGE148_EN,
- val);
+ ret = regmap_update_bits(priv->regmap, QCA8K_REG_PWS,
+ QCA8327_PWS_PACKAGE148_EN,
+ val);
if (ret)
return ret;
}
@@ -965,9 +935,10 @@ qca8k_setup_of_pws_reg(struct qca8k_priv *priv)
val |= QCA8K_PWS_LED_OPEN_EN_CSR;
}

- return qca8k_rmw(priv, QCA8K_REG_PWS,
- QCA8K_PWS_LED_OPEN_EN_CSR | QCA8K_PWS_POWER_ON_SEL,
- val);
+ return regmap_update_bits(priv->regmap, QCA8K_REG_PWS,
+ QCA8K_PWS_LED_OPEN_EN_CSR |
+ QCA8K_PWS_POWER_ON_SEL,
+ val);
}

static int
@@ -1085,7 +1056,7 @@ static int qca8k_read_switch_id(struct qca8k_priv *priv)
if (!data)
return -ENODEV;

- ret = qca8k_read(priv, QCA8K_REG_MASK_CTRL, &val);
+ ret = regmap_read(priv->regmap, QCA8K_REG_MASK_CTRL, &val);
if (ret < 0)
return -ENODEV;

@@ -1147,16 +1118,16 @@ qca8k_setup(struct dsa_switch *ds)
return ret;

/* Make sure MAC06 is disabled */
- ret = qca8k_reg_clear(priv, QCA8K_REG_PORT0_PAD_CTRL,
- QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN);
+ ret = regmap_clear_bits(priv->regmap, QCA8K_REG_PORT0_PAD_CTRL,
+ QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN);
if (ret) {
dev_err(priv->dev, "failed disabling MAC06 exchange");
return ret;
}

/* Enable CPU Port */
- ret = qca8k_reg_set(priv, QCA8K_REG_GLOBAL_FW_CTRL0,
- QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN);
+ ret = regmap_set_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
+ QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN);
if (ret) {
dev_err(priv->dev, "failed enabling CPU port");
return ret;
@@ -1170,16 +1141,18 @@ qca8k_setup(struct dsa_switch *ds)
/* Initial setup of all ports */
for (i = 0; i < QCA8K_NUM_PORTS; i++) {
/* Disable forwarding by default on all ports */
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
- QCA8K_PORT_LOOKUP_MEMBER, 0);
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(i),
+ QCA8K_PORT_LOOKUP_MEMBER, 0);
if (ret)
return ret;

/* Enable QCA header mode on all cpu ports */
if (dsa_is_cpu_port(ds, i)) {
- ret = qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(i),
- FIELD_PREP(QCA8K_PORT_HDR_CTRL_TX_MASK, QCA8K_PORT_HDR_CTRL_ALL) |
- FIELD_PREP(QCA8K_PORT_HDR_CTRL_RX_MASK, QCA8K_PORT_HDR_CTRL_ALL));
+ ret = regmap_write(priv->regmap, QCA8K_REG_PORT_HDR_CTRL(i),
+ FIELD_PREP(QCA8K_PORT_HDR_CTRL_TX_MASK,
+ QCA8K_PORT_HDR_CTRL_ALL) |
+ FIELD_PREP(QCA8K_PORT_HDR_CTRL_RX_MASK,
+ QCA8K_PORT_HDR_CTRL_ALL));
if (ret) {
dev_err(priv->dev, "failed enabling QCA header mode");
return ret;
@@ -1195,11 +1168,11 @@ qca8k_setup(struct dsa_switch *ds)
* Notice that in multi-cpu config only one port should be set
* for igmp, unknown, multicast and broadcast packet
*/
- ret = qca8k_write(priv, QCA8K_REG_GLOBAL_FW_CTRL1,
- FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, BIT(cpu_port)) |
- FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, BIT(cpu_port)) |
- FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, BIT(cpu_port)) |
- FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, BIT(cpu_port)));
+ ret = regmap_write(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL1,
+ FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, BIT(cpu_port)) |
+ FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, BIT(cpu_port)) |
+ FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, BIT(cpu_port)) |
+ FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, BIT(cpu_port)));
if (ret)
return ret;

@@ -1209,38 +1182,38 @@ qca8k_setup(struct dsa_switch *ds)
for (i = 0; i < QCA8K_NUM_PORTS; i++) {
/* CPU port gets connected to all user ports of the switch */
if (dsa_is_cpu_port(ds, i)) {
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
- QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(i),
+ QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
if (ret)
return ret;
}

/* Individual user ports get connected to CPU port only */
if (dsa_is_user_port(ds, i)) {
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(i),
- QCA8K_PORT_LOOKUP_MEMBER,
- BIT(cpu_port));
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(i),
+ QCA8K_PORT_LOOKUP_MEMBER,
+ BIT(cpu_port));
if (ret)
return ret;

/* Enable ARP Auto-learning by default */
- ret = qca8k_reg_set(priv, QCA8K_PORT_LOOKUP_CTRL(i),
- QCA8K_PORT_LOOKUP_LEARN);
+ ret = regmap_set_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(i),
+ QCA8K_PORT_LOOKUP_LEARN);
if (ret)
return ret;

/* For port based vlans to work we need to set the
* default egress vid
*/
- ret = qca8k_rmw(priv, QCA8K_EGRESS_VLAN(i),
- QCA8K_EGREES_VLAN_PORT_MASK(i),
- QCA8K_EGREES_VLAN_PORT(i, QCA8K_PORT_VID_DEF));
+ ret = regmap_update_bits(priv->regmap, QCA8K_EGRESS_VLAN(i),
+ QCA8K_EGREES_VLAN_PORT_MASK(i),
+ QCA8K_EGREES_VLAN_PORT(i, QCA8K_PORT_VID_DEF));
if (ret)
return ret;

- ret = qca8k_write(priv, QCA8K_REG_PORT_VLAN_CTRL0(i),
- QCA8K_PORT_VLAN_CVID(QCA8K_PORT_VID_DEF) |
- QCA8K_PORT_VLAN_SVID(QCA8K_PORT_VID_DEF));
+ ret = regmap_write(priv->regmap, QCA8K_REG_PORT_VLAN_CTRL0(i),
+ QCA8K_PORT_VLAN_CVID(QCA8K_PORT_VID_DEF) |
+ QCA8K_PORT_VLAN_SVID(QCA8K_PORT_VID_DEF));
if (ret)
return ret;
}
@@ -1274,18 +1247,18 @@ qca8k_setup(struct dsa_switch *ds)
QCA8K_PORT_HOL_CTRL0_EG_PRI3(0x8) |
QCA8K_PORT_HOL_CTRL0_EG_PORT(0x19);
}
- qca8k_write(priv, QCA8K_REG_PORT_HOL_CTRL0(i), mask);
+ regmap_write(priv->regmap, QCA8K_REG_PORT_HOL_CTRL0(i), mask);

mask = QCA8K_PORT_HOL_CTRL1_ING(0x6) |
QCA8K_PORT_HOL_CTRL1_EG_PRI_BUF_EN |
QCA8K_PORT_HOL_CTRL1_EG_PORT_BUF_EN |
QCA8K_PORT_HOL_CTRL1_WRED_EN;
- qca8k_rmw(priv, QCA8K_REG_PORT_HOL_CTRL1(i),
- QCA8K_PORT_HOL_CTRL1_ING_BUF_MASK |
- QCA8K_PORT_HOL_CTRL1_EG_PRI_BUF_EN |
- QCA8K_PORT_HOL_CTRL1_EG_PORT_BUF_EN |
- QCA8K_PORT_HOL_CTRL1_WRED_EN,
- mask);
+ regmap_update_bits(priv->regmap, QCA8K_REG_PORT_HOL_CTRL1(i),
+ QCA8K_PORT_HOL_CTRL1_ING_BUF_MASK |
+ QCA8K_PORT_HOL_CTRL1_EG_PRI_BUF_EN |
+ QCA8K_PORT_HOL_CTRL1_EG_PORT_BUF_EN |
+ QCA8K_PORT_HOL_CTRL1_WRED_EN,
+ mask);
}

/* Set initial MTU for every port.
@@ -1299,14 +1272,14 @@ qca8k_setup(struct dsa_switch *ds)
if (priv->switch_id == QCA8K_ID_QCA8327) {
mask = QCA8K_GLOBAL_FC_GOL_XON_THRES(288) |
QCA8K_GLOBAL_FC_GOL_XOFF_THRES(496);
- qca8k_rmw(priv, QCA8K_REG_GLOBAL_FC_THRESH,
- QCA8K_GLOBAL_FC_GOL_XON_THRES_MASK |
- QCA8K_GLOBAL_FC_GOL_XOFF_THRES_MASK,
- mask);
+ regmap_update_bits(priv->regmap, QCA8K_REG_GLOBAL_FC_THRESH,
+ QCA8K_GLOBAL_FC_GOL_XON_THRES_MASK |
+ QCA8K_GLOBAL_FC_GOL_XOFF_THRES_MASK,
+ mask);
}

/* Setup our port MTUs to match power on defaults */
- ret = qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, ETH_FRAME_LEN + ETH_FCS_LEN);
+ ret = regmap_write(priv->regmap, QCA8K_MAX_FRAME_SIZE, ETH_FRAME_LEN + ETH_FCS_LEN);
if (ret)
dev_warn(priv->dev, "failed setting MTU settings");

@@ -1349,12 +1322,12 @@ qca8k_mac_config_setup_internal_delay(struct qca8k_priv *priv, int cpu_port_inde
}

/* Set RGMII delay based on the selected values */
- ret = qca8k_rmw(priv, reg,
- QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK |
- QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK |
- QCA8K_PORT_PAD_RGMII_TX_DELAY_EN |
- QCA8K_PORT_PAD_RGMII_RX_DELAY_EN,
- val);
+ ret = regmap_update_bits(priv->regmap, reg,
+ QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK |
+ QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK |
+ QCA8K_PORT_PAD_RGMII_TX_DELAY_EN |
+ QCA8K_PORT_PAD_RGMII_RX_DELAY_EN,
+ val);
if (ret)
dev_err(priv->dev, "Failed to set internal delay for CPU port%d",
cpu_port_index == QCA8K_CPU_PORT0 ? 0 : 6);
@@ -1415,7 +1388,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
case PHY_INTERFACE_MODE_RGMII_RXID:
- qca8k_write(priv, reg, QCA8K_PORT_PAD_RGMII_EN);
+ regmap_write(priv->regmap, reg, QCA8K_PORT_PAD_RGMII_EN);

/* Configure rgmii delay */
qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg);
@@ -1425,26 +1398,26 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
* rather than individual port registers.
*/
if (priv->switch_id == QCA8K_ID_QCA8337)
- qca8k_write(priv, QCA8K_REG_PORT5_PAD_CTRL,
- QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
+ regmap_write(priv->regmap, QCA8K_REG_PORT5_PAD_CTRL,
+ QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
break;
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_1000BASEX:
/* Enable SGMII on the port */
- qca8k_write(priv, reg, QCA8K_PORT_PAD_SGMII_EN);
+ regmap_write(priv->regmap, reg, QCA8K_PORT_PAD_SGMII_EN);

/* Enable/disable SerDes auto-negotiation as necessary */
- ret = qca8k_read(priv, QCA8K_REG_PWS, &val);
+ ret = regmap_read(priv->regmap, QCA8K_REG_PWS, &val);
if (ret)
return;
if (phylink_autoneg_inband(mode))
val &= ~QCA8K_PWS_SERDES_AEN_DIS;
else
val |= QCA8K_PWS_SERDES_AEN_DIS;
- qca8k_write(priv, QCA8K_REG_PWS, val);
+ regmap_write(priv->regmap, QCA8K_REG_PWS, val);

/* Configure the SGMII parameters */
- ret = qca8k_read(priv, QCA8K_REG_SGMII_CTRL, &val);
+ ret = regmap_read(priv->regmap, QCA8K_REG_SGMII_CTRL, &val);
if (ret)
return;

@@ -1466,7 +1439,7 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
val |= QCA8K_SGMII_MODE_CTRL_BASEX;
}

- qca8k_write(priv, QCA8K_REG_SGMII_CTRL, val);
+ regmap_write(priv->regmap, QCA8K_REG_SGMII_CTRL, val);

/* For qca8327/qca8328/qca8334/qca8338 sgmii is unique and
* falling edge is set writing in the PORT0 PAD reg
@@ -1485,10 +1458,10 @@ qca8k_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
val |= QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE;

if (val)
- ret = qca8k_rmw(priv, reg,
- QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE |
- QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE,
- val);
+ ret = regmap_update_bits(priv->regmap, reg,
+ QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE |
+ QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE,
+ val);

/* From original code is reported port instability as SGMII also
* require delay set. Apply advised values here or take them from DT.
@@ -1578,7 +1551,7 @@ qca8k_phylink_mac_link_state(struct dsa_switch *ds, int port,
u32 reg;
int ret;

- ret = qca8k_read(priv, QCA8K_REG_PORT_STATUS(port), &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_PORT_STATUS(port), &reg);
if (ret < 0)
return ret;

@@ -1659,7 +1632,7 @@ qca8k_phylink_mac_link_up(struct dsa_switch *ds, int port, unsigned int mode,

reg |= QCA8K_PORT_STATUS_TXMAC | QCA8K_PORT_STATUS_RXMAC;

- qca8k_write(priv, QCA8K_REG_PORT_STATUS(port), reg);
+ regmap_write(priv->regmap, QCA8K_REG_PORT_STATUS(port), reg);
}

static void
@@ -1689,12 +1662,12 @@ qca8k_get_ethtool_stats(struct dsa_switch *ds, int port,
mib = &ar8327_mib[i];
reg = QCA8K_PORT_MIB_COUNTER(port) + mib->offset;

- ret = qca8k_read(priv, reg, &val);
+ ret = regmap_read(priv->regmap, reg, &val);
if (ret < 0)
continue;

if (mib->size == 2) {
- ret = qca8k_read(priv, reg + 4, &hi);
+ ret = regmap_read(priv->regmap, reg + 4, &hi);
if (ret < 0)
continue;
}
@@ -1723,7 +1696,7 @@ qca8k_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *eee)
int ret;

mutex_lock(&priv->reg_mutex);
- ret = qca8k_read(priv, QCA8K_REG_EEE_CTRL, &reg);
+ ret = regmap_read(priv->regmap, QCA8K_REG_EEE_CTRL, &reg);
if (ret < 0)
goto exit;

@@ -1731,7 +1704,7 @@ qca8k_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *eee)
reg |= lpi_en;
else
reg &= ~lpi_en;
- ret = qca8k_write(priv, QCA8K_REG_EEE_CTRL, reg);
+ ret = regmap_write(priv->regmap, QCA8K_REG_EEE_CTRL, reg);

exit:
mutex_unlock(&priv->reg_mutex);
@@ -1770,8 +1743,8 @@ qca8k_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
break;
}

- qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_STATE_MASK, stp_state);
+ regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+ QCA8K_PORT_LOOKUP_STATE_MASK, stp_state);
}

static int
@@ -1792,9 +1765,9 @@ qca8k_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *br)
/* Add this port to the portvlan mask of the other ports
* in the bridge
*/
- ret = qca8k_reg_set(priv,
- QCA8K_PORT_LOOKUP_CTRL(i),
- BIT(port));
+ ret = regmap_set_bits(priv->regmap,
+ QCA8K_PORT_LOOKUP_CTRL(i),
+ BIT(port));
if (ret)
return ret;
if (i != port)
@@ -1802,8 +1775,8 @@ qca8k_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *br)
}

/* Add all other ports to this ports portvlan mask */
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_MEMBER, port_mask);
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+ QCA8K_PORT_LOOKUP_MEMBER, port_mask);

return ret;
}
@@ -1824,16 +1797,16 @@ qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
/* Remove this port to the portvlan mask of the other ports
* in the bridge
*/
- qca8k_reg_clear(priv,
- QCA8K_PORT_LOOKUP_CTRL(i),
- BIT(port));
+ regmap_clear_bits(priv->regmap,
+ QCA8K_PORT_LOOKUP_CTRL(i),
+ BIT(port));
}

/* Set the cpu port to be the only one in the portvlan mask of
* this port
*/
- qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_MEMBER, BIT(cpu_port));
+ regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+ QCA8K_PORT_LOOKUP_MEMBER, BIT(cpu_port));
}

static int
@@ -1873,7 +1846,7 @@ qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
mtu = priv->port_mtu[i];

/* Include L2 header / FCS length */
- return qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, mtu + ETH_HLEN + ETH_FCS_LEN);
+ return regmap_write(priv->regmap, QCA8K_MAX_FRAME_SIZE, mtu + ETH_HLEN + ETH_FCS_LEN);
}

static int
@@ -1949,13 +1922,13 @@ qca8k_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
int ret;

if (vlan_filtering) {
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_VLAN_MODE_MASK,
- QCA8K_PORT_LOOKUP_VLAN_MODE_SECURE);
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+ QCA8K_PORT_LOOKUP_VLAN_MODE_MASK,
+ QCA8K_PORT_LOOKUP_VLAN_MODE_SECURE);
} else {
- ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
- QCA8K_PORT_LOOKUP_VLAN_MODE_MASK,
- QCA8K_PORT_LOOKUP_VLAN_MODE_NONE);
+ ret = regmap_update_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
+ QCA8K_PORT_LOOKUP_VLAN_MODE_MASK,
+ QCA8K_PORT_LOOKUP_VLAN_MODE_NONE);
}

return ret;
@@ -1978,15 +1951,15 @@ qca8k_port_vlan_add(struct dsa_switch *ds, int port,
}

if (pvid) {
- ret = qca8k_rmw(priv, QCA8K_EGRESS_VLAN(port),
- QCA8K_EGREES_VLAN_PORT_MASK(port),
- QCA8K_EGREES_VLAN_PORT(port, vlan->vid));
+ ret = regmap_update_bits(priv->regmap, QCA8K_EGRESS_VLAN(port),
+ QCA8K_EGREES_VLAN_PORT_MASK(port),
+ QCA8K_EGREES_VLAN_PORT(port, vlan->vid));
if (ret)
return ret;

- ret = qca8k_write(priv, QCA8K_REG_PORT_VLAN_CTRL0(port),
- QCA8K_PORT_VLAN_CVID(vlan->vid) |
- QCA8K_PORT_VLAN_SVID(vlan->vid));
+ ret = regmap_write(priv->regmap, QCA8K_REG_PORT_VLAN_CTRL0(port),
+ QCA8K_PORT_VLAN_CVID(vlan->vid) |
+ QCA8K_PORT_VLAN_SVID(vlan->vid));
}

return ret;
--
2.32.0