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(parent: 021c917) | patch
mtd: rawnand: atmel: add module param to avoid using dma
authorPeter Rosin <peda@axentia.se>
Thu, 29 Mar 2018 13:10:54 +0000 (15:10 +0200)
committerMiquel Raynal <miquel.raynal@bootlin.com>
Mon, 2 Jul 2018 07:01:29 +0000 (09:01 +0200)
commitefc6362c6f8c1e74b340e2611f1b35e7d557ce7b
treeea08b48a75c20ce4c2e61092bc0aa445c318f5f4tree | snapshot
parent021c91791a5e7e85c567452f1be3e4c2c6cb6063commit | diff
mtd: rawnand: atmel: add module param to avoid using dma

On a sama5d31 with a Full-HD dual LVDS panel (132MHz pixel clock) NAND
flash accesses have a tendency to cause display disturbances. Add a
module param to disable DMA from the NAND controller, since that fixes
the display problem for me.

Signed-off-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
drivers/mtd/nand/raw/atmel/nand-controller.c diff | blob | history
Domain: System / Kernel;