Messages in this thread Patch in this message |  | | From | Andy Shevchenko <> | Subject | [PATCH v1 2/4] gpio: dwapb: Read GPIO base from gpio-base property | Date | Mon, 26 Jul 2021 15:54:34 +0300 |
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For backward compatibility with some legacy devices introduce a new (*) property gpio-base to read GPIO base. This will allow further cleanup of the driver.
*) Note, it's not new for GPIO library since mockup driver is using it already.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/gpio/gpio-dwapb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index f6ae69d5d644..e3011d4e17b0 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -581,7 +581,8 @@ static struct dwapb_platform_data *dwapb_gpio_get_pdata(struct device *dev) pp->ngpio = DWAPB_MAX_GPIOS; } - pp->gpio_base = -1; + if (fwnode_property_read_u32(fwnode, "gpio-base", &pp->gpio_base)) + pp->gpio_base = -1; /* * Only port A can provide interrupts in all configurations of -- 2.30.2
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