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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 16:06:58 -0700 |
commit | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch) | |
tree | edbc09b7945994f78668d218fa02e991c3b3b365 /arch/arm/mach-imx/dma.c | |
parent | 666484f0250db2e016948d63b3ef33e202e3b8d0 (diff) | |
parent | 53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits)
[ARM] 5171/1: ep93xx: fix compilation of modules using clocks
[ARM] 5133/2: at91sam9g20 defconfig file
[ARM] 5130/4: Support for the at91sam9g20
[ARM] 5160/1: IOP3XX: gpio/gpiolib support
[ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits.
[ARM] 5084/1: zylonite: Register AC97 device
[ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model
[ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers
[ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting
[ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
[ARM] 5144/1: pxaficp_ir: cleanup includes
[ARM] pxa: remove pxa_set_cken()
[ARM] pxa: allow clk aliases
[ARM] Feroceon: don't disable BPU on boot
[ARM] Orion: LED support for HP mv2120
[ARM] Orion: add RD88F5181L-FXO support
[ARM] Orion: add RD88F5181L-GE support
[ARM] Orion: add Netgear WNR854T support
[ARM] s3c2410_defconfig: update for current build
[ARM] Acer n30: Minor style and indentation fixes.
...
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 a59ff2987cb..ee1c6f06ff6 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; } } |