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serial: max310x: Set IRQF_TRIGGER_FALLING flag when dev.of_node is not NULL

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When dev.of_node is not NULL, we also need to set IRQF_TRIGGER_FALLING
flag, otherwise it may cause uncertain interrupts.

Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Liu Xiang 2016-09-07 22:05:01 +08:00 committed by Greg Kroah-Hartman
parent 0d2665b6bc
commit c164b008b6
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/max310x.c
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@ -1329,9 +1329,9 @@ static int max310x_spi_probe(struct spi_device *spi)
const struct spi_device_id *id_entry = spi_get_device_id(spi);
devtype = (struct max310x_devtype *)id_entry->driver_data;
flags = IRQF_TRIGGER_FALLING;
}
flags = IRQF_TRIGGER_FALLING;
regcfg.max_register = devtype->nr * 0x20 - 1;
regmap = devm_regmap_init_spi(spi, &regcfg);