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由 Eugen Hristev 提交于
This fix allows platforms to probe correctly even if the trigger edge property is missing. The hardware trigger will no longer be registered in the sybsystem Preserves backwards compatibility with the support that was in the driver before the hardware trigger. https://storage.kernelci.org/mainline/master/v4.14-rc2-255-g74d83ec2b734/arm/sama5_defconfig/lab-free-electrons/boot-at91-sama5d2_xplained.txtSigned-off-by: NEugen Hristev <eugen.hristev@microchip.com> Fixes: 5e1a1da0 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support") Signed-off-by: NJonathan Cameron <Jonathan.Cameron@huawei.com>
ca4c3023