diff options
Diffstat (limited to 'drivers/net/ethernet/microchip/encx24j600-regmap.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/encx24j600-regmap.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/net/ethernet/microchip/encx24j600-regmap.c b/drivers/net/ethernet/microchip/encx24j600-regmap.c index 5bd7fb917b7a..26b00e66d912 100644 --- a/drivers/net/ethernet/microchip/encx24j600-regmap.c +++ b/drivers/net/ethernet/microchip/encx24j600-regmap.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * Register map access API - ENCX24J600 support * * Copyright 2015 Gridpoint @@ -75,7 +75,7 @@ static int regmap_encx24j600_sfr_read(void *context, u8 reg, u8 *val, if (unlikely(ret)) return ret; } else { - /* Translate registers that are more effecient using + /* Translate registers that are more efficient using * 3-byte SPI commands */ switch (reg) { @@ -129,7 +129,7 @@ static int regmap_encx24j600_sfr_update(struct encx24j600_context *ctx, if (unlikely(ret)) return ret; } else { - /* Translate registers that are more effecient using + /* Translate registers that are more efficient using * 3-byte SPI commands */ switch (reg) { @@ -359,7 +359,7 @@ static int regmap_encx24j600_phy_reg_read(void *context, unsigned int reg, goto err_out; usleep_range(26, 100); - while ((ret = regmap_read(ctx->regmap, MISTAT, &mistat) != 0) && + while (((ret = regmap_read(ctx->regmap, MISTAT, &mistat)) == 0) && (mistat & BUSY)) cpu_relax(); @@ -397,7 +397,7 @@ static int regmap_encx24j600_phy_reg_write(void *context, unsigned int reg, goto err_out; usleep_range(26, 100); - while ((ret = regmap_read(ctx->regmap, MISTAT, &mistat) != 0) && + while (((ret = regmap_read(ctx->regmap, MISTAT, &mistat)) == 0) && (mistat & BUSY)) cpu_relax(); @@ -464,7 +464,7 @@ static struct regmap_config regcfg = { .val_bits = 16, .max_register = 0xee, .reg_stride = 2, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .val_format_endian = REGMAP_ENDIAN_LITTLE, .readable_reg = encx24j600_regmap_readable, .writeable_reg = encx24j600_regmap_writeable, @@ -474,37 +474,44 @@ static struct regmap_config regcfg = { .unlock = regmap_unlock_mutex, }; -static struct regmap_bus regmap_encx24j600 = { +static const struct regmap_bus regmap_encx24j600 = { .write = regmap_encx24j600_write, .read = regmap_encx24j600_read, .reg_update_bits = regmap_encx24j600_reg_update_bits, }; -static struct regmap_config phycfg = { +static const struct regmap_config phycfg = { .name = "phy", .reg_bits = 8, .val_bits = 16, .max_register = 0x1f, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_MAPLE, .val_format_endian = REGMAP_ENDIAN_LITTLE, .readable_reg = encx24j600_phymap_readable, .writeable_reg = encx24j600_phymap_writeable, .volatile_reg = encx24j600_phymap_volatile, }; -static struct regmap_bus phymap_encx24j600 = { +static const struct regmap_bus phymap_encx24j600 = { .reg_write = regmap_encx24j600_phy_reg_write, .reg_read = regmap_encx24j600_phy_reg_read, }; -void devm_regmap_init_encx24j600(struct device *dev, - struct encx24j600_context *ctx) +int devm_regmap_init_encx24j600(struct device *dev, + struct encx24j600_context *ctx) { mutex_init(&ctx->mutex); regcfg.lock_arg = ctx; ctx->regmap = devm_regmap_init(dev, ®map_encx24j600, ctx, ®cfg); + if (IS_ERR(ctx->regmap)) + return PTR_ERR(ctx->regmap); ctx->phymap = devm_regmap_init(dev, &phymap_encx24j600, ctx, &phycfg); + if (IS_ERR(ctx->phymap)) + return PTR_ERR(ctx->phymap); + + return 0; } EXPORT_SYMBOL_GPL(devm_regmap_init_encx24j600); +MODULE_DESCRIPTION("Microchip ENCX24J600 helpers"); MODULE_LICENSE("GPL"); |