summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pinctrl/pinctrl-mcp23s08.c9
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;