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i2c: mux: gpio: Replace custom acpi_get_local_address() 

Recently ACPI gained the acpi_get_local_address() API which may be used
instead of home grown i2c_mux_gpio_get_acpi_adr().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Evan Green <evgreen@chromium.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-11-15 17:41:59 +02:00 committed by Wolfram Sang
parent f89bf95632
commit 379920f5c0
1 changed files with 2 additions and 41 deletions
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43
drivers/i2c/muxes/i2c-mux-gpio.c
View File

@ -49,45 +49,6 @@ static int i2c_mux_gpio_deselect(struct i2c_mux_core *muxc, u32 chan)
return 0;
}
#ifdef CONFIG_ACPI
static int i2c_mux_gpio_get_acpi_adr(struct device *dev,
struct fwnode_handle *fwdev,
unsigned int *adr)
{
unsigned long long adr64;
acpi_status status;
status = acpi_evaluate_integer(ACPI_HANDLE_FWNODE(fwdev),
METHOD_NAME__ADR,
NULL, &adr64);
if (!ACPI_SUCCESS(status)) {
dev_err(dev, "Cannot get address\n");
return -EINVAL;
}
*adr = adr64;
if (*adr != adr64) {
dev_err(dev, "Address out of range\n");
return -ERANGE;
}
return 0;
}
#else
static int i2c_mux_gpio_get_acpi_adr(struct device *dev,
struct fwnode_handle *fwdev,
unsigned int *adr)
{
return -EINVAL;
}
#endif
static int i2c_mux_gpio_probe_fw(struct gpiomux *mux,
struct platform_device *pdev)
{
@ -141,9 +102,9 @@ static int i2c_mux_gpio_probe_fw(struct gpiomux *mux,
fwnode_property_read_u32(child, "reg", values + i);
} else if (is_acpi_node(child)) {
rc = i2c_mux_gpio_get_acpi_adr(dev, child, values + i);
rc = acpi_get_local_address(ACPI_HANDLE_FWNODE(child), values + i);
if (rc)
return rc;
return dev_err_probe(dev, rc, "Cannot get address\n");
}
i++;