>Четверг, 21 сентября 2017, 14:23 +03:00 от Linus Walleij <linus.walleij@xxxxxxxxxx>: > >I really need Alexander Shiyan to look at this patch. > >The way i percieve it, .set is NULL if the chip does not >support output. > >We should print the right error messages and bail out >if the user is anyway trying to set a line like that. Hello. Using "chip->set", instead of "priv->data->set", is more proper way on my opinion. However, if the driver is not configured for output, the any errors should not occur in any case. >On Wed, Aug 30, 2017 at 4:50 PM, Vladimir Murzin >< vladimir.murzin@xxxxxxx > wrote: > >> "set" callback is optional and can be NULL, instead use chip->set >> which always points at proper callback function. >> >> Fixes 2c341d62eb4b ("gpio: syscon: add soc specific callback to assign output value") >> >> Signed-off-by: Vladimir Murzin < vladimir.murzin@xxxxxxx > >> --- >> drivers/gpio/gpio-syscon.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c >> index 537cec7..cf88a0b 100644 >> --- a/drivers/gpio/gpio-syscon.c >> +++ b/drivers/gpio/gpio-syscon.c >> @@ -122,7 +122,7 @@ static int syscon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int val) >> BIT(offs % SYSCON_REG_BITS)); >> } >> >> - priv->data->set(chip, offset, val); >> + chip->set(chip, offset, val); >> >> return 0; >> } --- ��.n��������+%������w��{.n�����{�� b���ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f