diff options
Diffstat (limited to 'kernel/drivers/i2c/muxes')
| -rw-r--r-- | kernel/drivers/i2c/muxes/Kconfig | 1 | ||||
| -rw-r--r-- | kernel/drivers/i2c/muxes/i2c-mux-reg.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/kernel/drivers/i2c/muxes/Kconfig b/kernel/drivers/i2c/muxes/Kconfig index f06b0e246..af2a63cb4 100644 --- a/kernel/drivers/i2c/muxes/Kconfig +++ b/kernel/drivers/i2c/muxes/Kconfig @@ -63,6 +63,7 @@ config I2C_MUX_PINCTRL config I2C_MUX_REG tristate "Register-based I2C multiplexer" + depends on HAS_IOMEM help If you say yes to this option, support will be included for a register based I2C multiplexer. This driver provides access to diff --git a/kernel/drivers/i2c/muxes/i2c-mux-reg.c b/kernel/drivers/i2c/muxes/i2c-mux-reg.c index 5fbd5bd08..49fc2c7e5 100644 --- a/kernel/drivers/i2c/muxes/i2c-mux-reg.c +++ b/kernel/drivers/i2c/muxes/i2c-mux-reg.c @@ -150,7 +150,7 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux, mux->data.idle_in_use = true; /* map address from "reg" if exists */ - if (of_address_to_resource(np, 0, &res)) { + if (of_address_to_resource(np, 0, &res) == 0) { mux->data.reg_size = resource_size(&res); mux->data.reg = devm_ioremap_resource(&pdev->dev, &res); if (IS_ERR(mux->data.reg)) |