diff options
author | Biju Das <biju.das.jz@bp.renesas.com> | 2023-10-01 18:01:13 +0300 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2023-10-10 14:39:38 +0300 |
commit | 2e44555b05c0c04cf199348fbec5640f69deef8c (patch) | |
tree | 0520b2c7332320b87efb5cb582a03cb89e593929 /drivers/pinctrl/pinctrl-mcp23s08_spi.c | |
parent | b03f7aa802b6b89165b4ad340129ef2cbac231a4 (diff) | |
download | linux-2e44555b05c0c04cf199348fbec5640f69deef8c.tar.xz |
pinctrl: mcp23s08: Simplify probe()/mcp23s08_spi_regmap_init()
Add struct mcp23s08_info and simplify probe()/mcp23s08_spi_regmap_init() by
replacing match data 'type' with 'struct mcp23s08_info'.
While at it, replace 'dev_err()'->'dev_err_probe()' and drop printing
'type' in error path for i2c_get_match_data().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231001150113.7752-4-biju.das.jz@bp.renesas.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-mcp23s08_spi.c')
-rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08_spi.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08_spi.c b/drivers/pinctrl/pinctrl-mcp23s08_spi.c index caf528284d07..4a872fff5fe8 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08_spi.c +++ b/drivers/pinctrl/pinctrl-mcp23s08_spi.c @@ -80,21 +80,18 @@ static const struct regmap_bus mcp23sxx_spi_regmap = { }; static int mcp23s08_spi_regmap_init(struct mcp23s08 *mcp, struct device *dev, - unsigned int addr, unsigned int type) + unsigned int addr, + const struct mcp23s08_info *info) { - const struct regmap_config *config; struct regmap_config *copy; const char *name; - switch (type) { + switch (info->type) { case MCP_TYPE_S08: - mcp->reg_shift = 0; - mcp->chip.ngpio = 8; mcp->chip.label = devm_kasprintf(dev, GFP_KERNEL, "mcp23s08.%d", addr); if (!mcp->chip.label) return -ENOMEM; - config = &mcp23x08_regmap; name = devm_kasprintf(dev, GFP_KERNEL, "%d", addr); if (!name) return -ENOMEM; @@ -102,13 +99,10 @@ static int mcp23s08_spi_regmap_init(struct mcp23s08 *mcp, struct device *dev, break; case MCP_TYPE_S17: - mcp->reg_shift = 1; - mcp->chip.ngpio = 16; mcp->chip.label = devm_kasprintf(dev, GFP_KERNEL, "mcp23s17.%d", addr); if (!mcp->chip.label) return -ENOMEM; - config = &mcp23x17_regmap; name = devm_kasprintf(dev, GFP_KERNEL, "%d", addr); if (!name) return -ENOMEM; @@ -116,20 +110,18 @@ static int mcp23s08_spi_regmap_init(struct mcp23s08 *mcp, struct device *dev, break; case MCP_TYPE_S18: - mcp->reg_shift = 1; - mcp->chip.ngpio = 16; - mcp->chip.label = "mcp23s18"; - - config = &mcp23x17_regmap; - name = config->name; + mcp->chip.label = info->label; + name = info->regmap->name; break; default: - dev_err(dev, "invalid device type (%d)\n", type); + dev_err(dev, "invalid device type (%d)\n", info->type); return -EINVAL; } - copy = devm_kmemdup(dev, config, sizeof(*config), GFP_KERNEL); + mcp->reg_shift = info->reg_shift; + mcp->chip.ngpio = info->ngpio; + copy = devm_kmemdup(dev, info->regmap, sizeof(*info->regmap), GFP_KERNEL); if (!copy) return -ENOMEM; @@ -144,16 +136,16 @@ static int mcp23s08_spi_regmap_init(struct mcp23s08 *mcp, struct device *dev, static int mcp23s08_probe(struct spi_device *spi) { struct mcp23s08_driver_data *data; + const struct mcp23s08_info *info; struct device *dev = &spi->dev; unsigned long spi_present_mask; unsigned int ngpio = 0; - unsigned int type; unsigned int addr; int chips; int ret; u32 v; - type = (uintptr_t)spi_get_device_match_data(spi); + info = spi_get_device_match_data(spi); ret = device_property_read_u32(dev, "microchip,spi-present-mask", &v); if (ret) { @@ -182,7 +174,7 @@ static int mcp23s08_probe(struct spi_device *spi) data->mcp[addr] = &data->chip[--chips]; data->mcp[addr]->irq = spi->irq; - ret = mcp23s08_spi_regmap_init(data->mcp[addr], dev, addr, type); + ret = mcp23s08_spi_regmap_init(data->mcp[addr], dev, addr, info); if (ret) return ret; @@ -192,7 +184,8 @@ static int mcp23s08_probe(struct spi_device *spi) if (!data->mcp[addr]->pinctrl_desc.name) return -ENOMEM; - ret = mcp23s08_probe_one(data->mcp[addr], dev, 0x40 | (addr << 1), type, -1); + ret = mcp23s08_probe_one(data->mcp[addr], dev, 0x40 | (addr << 1), + info->type, -1); if (ret < 0) return ret; @@ -203,36 +196,43 @@ static int mcp23s08_probe(struct spi_device *spi) return 0; } +static const struct mcp23s08_info mcp23s08_spi = { + .regmap = &mcp23x08_regmap, + .type = MCP_TYPE_S08, + .ngpio = 8, + .reg_shift = 0, +}; + +static const struct mcp23s08_info mcp23s17_spi = { + .regmap = &mcp23x17_regmap, + .type = MCP_TYPE_S17, + .ngpio = 16, + .reg_shift = 1, +}; + +static const struct mcp23s08_info mcp23s18_spi = { + .regmap = &mcp23x17_regmap, + .label = "mcp23s18", + .type = MCP_TYPE_S18, + .ngpio = 16, + .reg_shift = 1, +}; + static const struct spi_device_id mcp23s08_ids[] = { - { "mcp23s08", MCP_TYPE_S08 }, - { "mcp23s17", MCP_TYPE_S17 }, - { "mcp23s18", MCP_TYPE_S18 }, + { "mcp23s08", (kernel_ulong_t)&mcp23s08_spi }, + { "mcp23s17", (kernel_ulong_t)&mcp23s17_spi }, + { "mcp23s18", (kernel_ulong_t)&mcp23s18_spi }, { } }; MODULE_DEVICE_TABLE(spi, mcp23s08_ids); static const struct of_device_id mcp23s08_spi_of_match[] = { - { - .compatible = "microchip,mcp23s08", - .data = (void *) MCP_TYPE_S08, - }, - { - .compatible = "microchip,mcp23s17", - .data = (void *) MCP_TYPE_S17, - }, - { - .compatible = "microchip,mcp23s18", - .data = (void *) MCP_TYPE_S18, - }, + { .compatible = "microchip,mcp23s08", .data = &mcp23s08_spi }, + { .compatible = "microchip,mcp23s17", .data = &mcp23s17_spi }, + { .compatible = "microchip,mcp23s18", .data = &mcp23s18_spi }, /* NOTE: The use of the mcp prefix is deprecated and will be removed. */ - { - .compatible = "mcp,mcp23s08", - .data = (void *) MCP_TYPE_S08, - }, - { - .compatible = "mcp,mcp23s17", - .data = (void *) MCP_TYPE_S17, - }, + { .compatible = "mcp,mcp23s08", .data = &mcp23s08_spi }, + { .compatible = "mcp,mcp23s17", .data = &mcp23s17_spi }, { } }; MODULE_DEVICE_TABLE(of, mcp23s08_spi_of_match); |