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authorMilo Kim <woogyom.kim@gmail.com>2016-10-28 15:54:12 +0900
committerMark Brown <broonie@kernel.org>2016-11-02 14:59:09 -0600
commit10565dfd35488c45826201b4ce28597d6b5de3dd (patch)
tree21b345d2b93eccae9b4613ab399ce5669231f22e
parent8ea7ce9cc6dec26db22a97f00523a4bfd3a97d72 (diff)
spi: sun6i: Support Allwinner H3 SPI controller
H3 has two SPI controllers. The size of the buffer is 64 * 8. (8 bit transfer by 64 entry FIFO) A31 has four controllers. The size of the buffer is 128 * 8. (8 bit transfer by 128 entry FIFO) Register maps are sharable, so sun6i SPI driver is reusable with device configuration. Use the variable, 'fifo_depth' instead of fixed value to support both SPI controllers. Signed-off-by: Milo Kim <woogyom.kim@gmail.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Mark Brown <broonie@kernel.org>