diff options
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index e86d23279ac1..ab2d9393b935 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -772,6 +772,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, int status, ret; bool mirror = false; struct regmap_config *one_regmap_config = NULL; + int raw_chip_address = (addr & ~0x40) >> 1; mutex_init(&mcp->lock); @@ -800,7 +801,8 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, sizeof(struct regmap_config), GFP_KERNEL); mcp->reg_shift = 0; mcp->chip.ngpio = 8; - mcp->chip.label = "mcp23s08"; + mcp->chip.label = devm_kasprintf(dev, GFP_KERNEL, + "mcp23s08.%d", raw_chip_address); break; case MCP_TYPE_S17: one_regmap_config = @@ -808,13 +810,14 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, sizeof(struct regmap_config), GFP_KERNEL); mcp->reg_shift = 1; mcp->chip.ngpio = 16; - mcp->chip.label = "mcp23s17"; + mcp->chip.label = devm_kasprintf(dev, GFP_KERNEL, + "mcp23s17.%d", raw_chip_address); break; } if (!one_regmap_config) return -ENOMEM; - one_regmap_config->name = devm_kasprintf(dev, GFP_KERNEL, "%d", (addr & ~0x40) >> 1); + one_regmap_config->name = devm_kasprintf(dev, GFP_KERNEL, "%d", raw_chip_address); mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, one_regmap_config); break; |