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Commit 7210087c authored by Terry Geng's avatar Terry Geng Committed by Benjamin Cabé
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drivers: spi: spi_pico_pio: Implement DMA support for 4-wire operation 



This commit largely mirrors the approach of implementing DMA in the pl022
driver.

Signed-off-by: default avatarTerry Geng <terry@terriex.com>
parent 89cb3096
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