Thread (17 messages) 17 messages, 6 authors, 2021-03-12

Re: [PATCH v1 2/2] iio: adc: add ADC driver for the TI TSC2046 controller

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2021-03-07 23:06:33
Also in: linux-iio, lkml

Hi Oleksij,

On Fri, Mar 05, 2021 at 02:38:13PM +0100, Oleksij Rempel wrote:
+
+	/* TODO: remove IRQ_NOAUTOEN after needed patches are mainline */
+	irq_set_status_flags(spi->irq, IRQ_NOAUTOEN);
+	ret = devm_request_threaded_irq(dev, spi->irq,
+					NULL,
+					&tsc2046_adc_irq,
+					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+					name, indio_dev);
I'd recommend dropping IRQF_TRIGGER_LOW and only using IRQF_ONESHOT and
rely on the platform (ACPI, DT) to specify trigger polarity according to
how device is wired in a given system. In general I believe newer
drivers should not specify interrupt triggers themselves.

Thanks.

-- 
Dmitry
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