Hi Tom,
> diff --git a/drivers/i2c/twl4030_i2c.c b/drivers/i2c/twl4030_i2c.c
> index 774f813..549f974 100644
> --- a/drivers/i2c/twl4030_i2c.c
> +++ b/drivers/i2c/twl4030_i2c.c
> @@ -35,3 +35,25 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val,
> u8 reg)
> return i2c_read(chip_no, reg, 1, val, 1);
> }
>
> +/*
> + * Power Reset
> + */
> +void twl4030_power_reset_init(void)
> +{
> +#ifdef CONFIG_OMAP3_ZOOM2
> + u8 val = 0;
> + if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, &val,
> + TWL4030_PM_MASTER_P1_SW_EVENTS)) {
> + printf("Error:TWL4030: failed to read the power register\n");
> + printf("Could not initialize hardware reset\n");
> + } else {
> + val |= TWL4030_PM_MASTER_SW_EVENTS_STOPON_PWRON;
> + if (twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, val,
> + TWL4030_PM_MASTER_P1_SW_EVENTS)) {
> + printf("Error:TWL4030: failed to write the power
> register\n");
> + printf("Could not initialize hardware reset\n");
> + }
> + }
> +#endif
> +}
> +
All other drivers in drivers/i2c are host adapter drivers. Ie they
implement i2c_read(), i2c_write(), i2c_probe(), and i2c_init(). The
twl4030_i2c.c driver doesn't seem to fit this mold. Perhaps it would be
better placed in drivers/misc or a new drivers/power directory similar
to Linux?
FWIW I had the same dilemma with the ds4510 i2c device which has support
for GPIO, EEEPROM, etc and ended up putting it in drivers/misc.
Best,
Peter
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