Messages in this thread | | | Subject | Re: [PATCH v1] extcon: int3496: Ignore incorrect IoRestriction for ID pin | From | Andy Shevchenko <> | Date | Wed, 28 Feb 2018 16:27:02 +0200 |
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On Tue, 2018-02-27 at 12:59 +0900, Chanwoo Choi wrote: > Hi, > > On 2018년 02월 27일 04:34, Andy Shevchenko wrote: > > The commit 70216fd937fe introduced a workaround for incorrect > > You better to specify the commit id and patch name as following: > commit 70216fd937fe -> commit 70216fd937fe ("extcon: int3496: Set the > id pin to direction-input if necessary")
Will fix in v2.
> > > IoRestriction mode in ACPI table. > > > > Now, when GPIO ACPI library does it in generic way, just set > > I recommend that you specify clearly which patch you mention > about GPIO ACPI library.
Do you mean list all of them? It's a bit hard to choose one.
> > an appropriate quirk flag instead. > > > > Cc: Hans de Goede <hdegoede@redhat.com> > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > > --- > > drivers/extcon/extcon-intel-int3496.c | 9 +++++---- > > 1 file changed, 5 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/extcon/extcon-intel-int3496.c > > b/drivers/extcon/extcon-intel-int3496.c > > index 191e99f06a9a..acaccb128fc4 100644 > > --- a/drivers/extcon/extcon-intel-int3496.c > > +++ b/drivers/extcon/extcon-intel-int3496.c > > @@ -50,7 +50,11 @@ static const struct acpi_gpio_params vbus_gpios = > > { INT3496_GPIO_VBUS_EN, 0, fal > > static const struct acpi_gpio_params mux_gpios = { > > INT3496_GPIO_USB_MUX, 0, false }; > > > > static const struct acpi_gpio_mapping acpi_int3496_default_gpios[] > > = { > > - { "id-gpios", &id_gpios, 1 }, > > + /* > > + * Some platforms have a bug in ACPI GPIO description > > making IRQ > > + * GPIO to be output only. Ask the GPIO core to ignore this > > limit. > > + */ > > + { "id-gpios", &id_gpios, 1, > > ACPI_GPIO_QUIRK_NO_IO_RESTRICTION }, > > { "vbus-gpios", &vbus_gpios, 1 }, > > { "mux-gpios", &mux_gpios, 1 }, > > { }, > > @@ -112,9 +116,6 @@ static int int3496_probe(struct platform_device > > *pdev) > > ret = PTR_ERR(data->gpio_usb_id); > > dev_err(dev, "can't request USB ID GPIO: %d\n", > > ret); > > return ret; > > - } else if (gpiod_get_direction(data->gpio_usb_id) != > > GPIOF_DIR_IN) { > > - dev_warn(dev, FW_BUG "USB ID GPIO not in input > > mode, fixing\n"); > > - gpiod_direction_input(data->gpio_usb_id); > > } > > > > data->usb_id_irq = gpiod_to_irq(data->gpio_usb_id); > > > >
-- Andy Shevchenko <andriy.shevchenko@linux.intel.com> Intel Finland Oy
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