On 06/17/2016 07:00 AM, Chris Lapa wrote:
> From: Chris Lapa <chris@xxxxxxxxxxx>
>
> The max8903_charger.h file indicated that dcm and dok were not optional
> when dc_valid is set.
>
> It makes sense to have dok as a compulsory pin when dc_valid is given.
> However dcm can be optionally wired to a fixed level especially when the
> circuit is configured for dc power exclusively.
>
> The previous implementation already allowed for this somewhat, however no
> error was given if dok wasn't given whilst dc_valid was.
>
> The new implementation enforces dok presence when dc_valid is given. Whilst
> allowing dcm to be optional.
>
> Signed-off-by: Chris Lapa <chris@xxxxxxxxxxx>
> ---
> drivers/power/max8903_charger.c | 23 ++++++++++-------------
> include/linux/power/max8903_charger.h | 6 +++---
> 2 files changed, 13 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/power/max8903_charger.c b/drivers/power/max8903_charger.c
> index 0a5b0e1..dbd911c4 100644
> --- a/drivers/power/max8903_charger.c
> +++ b/drivers/power/max8903_charger.c
> @@ -211,27 +211,24 @@ static int max8903_probe(struct platform_device *pdev)
> }
>
> if (pdata->dc_valid) {
> - if (pdata->dok && gpio_is_valid(pdata->dok) &&
> - pdata->dcm && gpio_is_valid(pdata->dcm)) {
> + if (pdata->dok && gpio_is_valid(pdata->dok)) {
> gpio = pdata->dok; /* PULL_UPed Interrupt */
> ta_in = gpio_get_value(gpio) ? 0 : 1;
> + } else {
> + dev_err(dev, "When DC is wired, DOK should"
> + " be wired as well.\n");
Just found one nit. Don't split the strings.
dev_err(dev,
"When DC is wired, DOK should be wired as well.\n");
Best regards,
Krzysztof
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