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author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
commit | 3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch) | |
tree | 3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /arch/arm/mach-imx/dma.c | |
parent | 88d1dce3a74367291f65a757fbdcaf17f042f30c (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
download | talos-op-linux-3e370b29d35fb01bfb92c2814d6f79bf6a2cb970.tar.gz talos-op-linux-3e370b29d35fb01bfb92c2814d6f79bf6a2cb970.zip |
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts:
drivers/pci/quirks.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-imx/dma.c')
-rw-r--r-- | arch/arm/mach-imx/dma.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c index a59ff2987cb7..ee1c6f06ff64 100644 --- a/arch/arm/mach-imx/dma.c +++ b/arch/arm/mach-imx/dma.c @@ -410,7 +410,6 @@ void imx_dma_free(imx_dmach_t dma_ch) /** * imx_dma_request_by_prio - find and request some of free channels best suiting requested priority - * @dma_ch: i.MX DMA channel number * @name: the driver/caller own non-%NULL identification * @prio: one of the hardware distinguished priority level: * %DMA_PRIO_HIGH, %DMA_PRIO_MEDIUM, %DMA_PRIO_LOW @@ -420,11 +419,9 @@ void imx_dma_free(imx_dmach_t dma_ch) * in the higher and then even lower priority groups. * * Return value: If there is no free channel to allocate, -%ENODEV is returned. - * Zero value indicates successful channel allocation. + * On successful allocation channel is returned. */ -int -imx_dma_request_by_prio(imx_dmach_t * pdma_ch, const char *name, - imx_dma_prio prio) +imx_dmach_t imx_dma_request_by_prio(const char *name, imx_dma_prio prio) { int i; int best; @@ -444,15 +441,13 @@ imx_dma_request_by_prio(imx_dmach_t * pdma_ch, const char *name, for (i = best; i < IMX_DMA_CHANNELS; i++) { if (!imx_dma_request(i, name)) { - *pdma_ch = i; - return 0; + return i; } } for (i = best - 1; i >= 0; i--) { if (!imx_dma_request(i, name)) { - *pdma_ch = i; - return 0; + return i; } } |