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| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2016-02-15 21:57:47 +0100 |
|---|---|---|
| committer | Robert Jarzmik <robert.jarzmik@free.fr> | 2016-02-26 22:57:05 +0100 |
| commit | 72b195cb716284217e8b270af420bc7e5cf04b3c (patch) | |
| tree | 109b7d12cc9629e61948a49fc7bf710033e26342 /arch/arm/mach-pxa/devices.c | |
| parent | dmaengine: mmp-pdma: add number of requestors (diff) | |
| download | linux-72b195cb716284217e8b270af420bc7e5cf04b3c.tar.xz linux-72b195cb716284217e8b270af420bc7e5cf04b3c.zip | |
ARM: pxa: add the number of DMA requestor lines
Declare the number of DMA requestor lines per platform :
- for pxa25x: 40 requestor lines
- for pxa27x: 75 requestor lines
- for pxa3xx: 100 requestor lines
This information will be used to activate the DMA flow control or not.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'arch/arm/mach-pxa/devices.c')
| -rw-r--r-- | arch/arm/mach-pxa/devices.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 37d8d85662f0..913a319c7b00 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -1203,6 +1203,7 @@ void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info) static struct mmp_dma_platdata pxa_dma_pdata = { .dma_channels = 0, + .nb_requestors = 0, }; static struct resource pxa_dma_resource[] = { @@ -1231,7 +1232,7 @@ static struct platform_device pxa2xx_pxa_dma = { .resource = pxa_dma_resource, }; -void __init pxa2xx_set_dmac_info(int nb_channels) +void __init pxa2xx_set_dmac_info(int nb_channels, int nb_requestors) { pxa_dma_pdata.dma_channels = nb_channels; pxa_register_device(&pxa2xx_pxa_dma, &pxa_dma_pdata); |