Messages in this thread | | | Date | Tue, 27 Feb 2018 12:59:41 +0900 | From | Chanwoo Choi <> | Subject | Re: [PATCH v1] extcon: int3496: Ignore incorrect IoRestriction for ID pin |
| |
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")
> 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.
> 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); >
-- Best Regards, Chanwoo Choi Samsung Electronics
| |