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| Started by | Brian Norris <computersforpeace@gmail.com> |
|---|---|
| First post | 2016-03-05 04:10 +0100 |
| Last post | 2016-03-05 04:10 +0100 |
| Articles | 1 — 1 participant |
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Re: [PATCH] mtd: nand: pxa3xx_nand: fix dmaengine initialization Brian Norris <computersforpeace@gmail.com> - 2016-03-05 04:10 +0100
| From | Brian Norris <computersforpeace@gmail.com> |
|---|---|
| Date | 2016-03-05 04:10 +0100 |
| Subject | Re: [PATCH] mtd: nand: pxa3xx_nand: fix dmaengine initialization |
| Message-ID | <r9aLn-8jF-3@gated-at.bofh.it> |
On Fri, Feb 12, 2016 at 11:29:04PM +0100, Robert Jarzmik wrote:
> When the driver is initialized in a pure device-tree platform, the
> driver's probe fails allocating the dma channel :
> [ 525.624435] pxa3xx-nand 43100000.nand: no resource defined for data DMA
> [ 525.632088] pxa3xx-nand 43100000.nand: alloc nand resource failed
>
> The reason is that the DMA IO resource is not acquired through platform
> resources but by OF bindings.
>
> Fix this by ensuring that DMA IO resources are only queried in the non
> device-tree case.
>
> Fixes: 8f5ba31aa565 ("mtd: nand: pxa3xx-nand: switch to dmaengine")
> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Applied to l2-mtd.git
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