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2018-05-02spi: meson-spicc: Fix error handling in meson_spicc_probe()Alexey Khoroshilov1-3/+8
If devm_spi_register_master() fails in meson_spicc_probe(), spicc->core is left undisabled. The patch fixes that. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-11-28spi: meson-axg: add SPICC driver supportSunny Luo1-0/+1
Add new compatible string to support SPICC controller which found at Amlogic Meson-AXG SoC. This is aiming at adding a couple of enhanced feature patches. Signed-off-by: Sunny Luo <sunny.luo@amlogic.com> Signed-off-by: Yixun Lan <yixun.lan@amlogic.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-05-24spi: Add Meson SPICC driverNeil Armstrong1-0/+619
The SPICC hardware block on the Amlogic SoCs is Communication oriented and can do Full-Duplex 8- to 32-bit width SPI transfers up to 30MHz. The current driver only supportd the PIO transfer mode since the DMA seems broken on available hardware. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Mark Brown <broonie@kernel.org>