Hi!
> @@ -611,7 +611,7 @@ twl4030_power_configure_resources(const struct twl4030_power_data *pdata)
> * After a successful execution, TWL shuts down the power to the SoC
> * and all peripherals connected to it.
> */
> -void twl4030_power_off(void)
> +static void twl4030_power_off(struct power_off_handler_block *this)
> {
> int err;
>
> @@ -621,6 +621,11 @@ void twl4030_power_off(void)
> pr_err("TWL4030 Unable to power off\n");
> }
>
> +static struct power_off_handler_block twl4030_power_off_hb = {
> + .handler = twl4030_power_off,
> + .priority = POWER_OFF_PRIORITY_LOW,
> +};
> +
> static bool twl4030_power_use_poweroff(const struct twl4030_power_data *pdata,
> struct device_node *node)
> {
> @@ -839,7 +844,9 @@ static int twl4030_power_probe(struct platform_device *pdev)
> }
>
> /* Board has to be wired properly to use this feature */
> - if (twl4030_power_use_poweroff(pdata, node) && !pm_power_off) {
> + if (twl4030_power_use_poweroff(pdata, node)) {
> + int ret;
> +
> /* Default for SEQ_OFFSYNC is set, lets ensure this */
> err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &val,
> TWL4030_PM_MASTER_CFG_P123_TRANSITION);
> @@ -856,7 +863,11 @@ static int twl4030_power_probe(struct platform_device *pdev)
> }
> }
>
> - pm_power_off = twl4030_power_off;
> + ret = devm_register_power_off_handler(&pdev->dev,
> + &twl4030_power_off_hb);
> + if (ret)
> + dev_warn(&pdev->dev,
> + "Failed to register power-off handler\n");
> }
>
Could we get rid of the "struct power_off_handler_block" and guarantee
that register_power_off never fails (or print message from the
register_power_off...)? That way, your patch would be an cleanup.
You could then add priorities if they turn out to be really
neccessary, later...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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