spi: hisi-sfc-v3xx: add support for IRQ mode

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The controller can work with interrupts, so add support for it.
Then we can work under IRQ mode or Poll mode now, if firmware
doesn't declare the IRQ support, it will fall back to Poll mode.

Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/1600950270-52536-5-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Yicong Yang 2020-09-24 20:24:30 +08:00 • committed by Mark Brown

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drivers/spi/spi-hisi-sfc-v3xx.c

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