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bcm2835-dma: Add bcm2835-dma: Add DMA_WIDE_SOURCE and DMA_WIDE_DEST flags
authorDom Cobley <popcornmix@gmail.com>
Wed, 30 Dec 2020 14:51:29 +0000 (14:51 +0000)
committerDom Cobley <popcornmix@gmail.com>
Mon, 21 Mar 2022 16:04:10 +0000 (16:04 +0000)
commit9985b23562f28464a948807bdb0f720a9910d8ac
tree74fde90adc9900bfa62da523699e07fefac7036btree | snapshot
parentb60ab7617f4cf7f59e9600c2be8aa1f095233315commit | diff
bcm2835-dma: Add bcm2835-dma: Add DMA_WIDE_SOURCE and DMA_WIDE_DEST flags

Use (reserved) bits 24 and 25 of the dreq value
(the second cell of the DT DMA descriptor) to request
that wide source reads or wide dest writes are required

Signed-off-by: Dom Cobley <popcornmix@gmail.com>
drivers/dma/bcm2835-dma.c diff | blob | history
Domain: System / Kernel;