On 06/12/2017 04:24 PM, Enric Balletbo i Serra wrote:
> I don't think it makes sense to have the interrupt resources for charger
> and power button in two different places, the driver and the DT binding.
> That's confusing so remove the ones from the mfd driver in favour of
> having the interrupt resources only described in the DT. Having the
> resources in DT may help if there is or will be a similar pmic with
> different resource allocation.
Wouldn't this break DT compatibility? Old DTs do not contain IRQ resources
and so they work only because of IRQ definitions in code.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> ---
> drivers/mfd/tps65217.c | 22 +---------------------
> 1 file changed, 1 insertion(+), 21 deletions(-)
>
> diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
> index f769c7d..fd83bae 100644
> --- a/drivers/mfd/tps65217.c
> +++ b/drivers/mfd/tps65217.c
> @@ -33,15 +33,6 @@
> #include <linux/mfd/core.h>
> #include <linux/mfd/tps65217.h>
>
> -static struct resource charger_resources[] = {
> - DEFINE_RES_IRQ_NAMED(TPS65217_IRQ_AC, "AC"),
> - DEFINE_RES_IRQ_NAMED(TPS65217_IRQ_USB, "USB"),
> -};
> -
> -static struct resource pb_resources[] = {
> - DEFINE_RES_IRQ_NAMED(TPS65217_IRQ_PB, "PB"),
> -};
> -
> static void tps65217_irq_lock(struct irq_data *data)
> {
> struct tps65217 *tps = irq_data_get_irq_chip_data(data);
> @@ -97,14 +88,10 @@ static struct mfd_cell tps65217s[] = {
> },
> {
> .name = "tps65217-charger",
> - .num_resources = ARRAY_SIZE(charger_resources),
> - .resources = charger_resources,
> .of_compatible = "ti,tps65217-charger",
> },
> {
> .name = "tps65217-pwrbutton",
> - .num_resources = ARRAY_SIZE(pb_resources),
> - .resources = pb_resources,
> .of_compatible = "ti,tps65217-pwrbutton",
> },
> };
> @@ -359,15 +346,8 @@ static int tps65217_probe(struct i2c_client *client,
> return ret;
> }
>
> - if (client->irq) {
> + if (client->irq)
> tps65217_irq_init(tps, client->irq);
> - } else {
> - int i;
> -
> - /* Don't tell children about IRQ resources which won't fire */
> - for (i = 0; i < ARRAY_SIZE(tps65217s); i++)
> - tps65217s[i].num_resources = 0;
> - }
>
> ret = devm_mfd_add_devices(tps->dev, -1, tps65217s,
> ARRAY_SIZE(tps65217s), NULL, 0,
>
--
regards,
-grygorii
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