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| author | Linus Walleij <linus.walleij@stericsson.com> | 2010-10-06 13:05:29 +0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-10-08 01:56:36 +0400 |
| commit | 9646b7985e906e5fcea9375f016b4519c8318c21 (patch) | |
| tree | 78466dd3825da4ac2ff864e6c246265e5f524f8a /arch/arm/plat-nomadik | |
| parent | 661385f9c34e15c2f2c57b80e8cb2c7b910fdbd3 (diff) | |
| download | linux-9646b7985e906e5fcea9375f016b4519c8318c21.tar.xz | |
DMAENGINE: define a dummy filter function for ste_dma40
All platform data has to be made conditional on CONFIG_STEDMA40
or we can provide a simple dummy filter functions as to avoid
cluttering the code with other #ifdef:s.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/arm/plat-nomadik')
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/ste_dma40.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h index 660552d33b3a..3dd42551de04 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -162,6 +162,8 @@ struct stedma40_platform_data { int disabled_channels[STEDMA40_MAX_PHYS]; }; +#ifdef CONFIG_STE_DMA40 + /** * stedma40_filter() - Provides stedma40_chan_cfg to the * ste_dma40 dma driver via the dmaengine framework. @@ -223,4 +225,21 @@ dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan, direction, flags); } +#else +static inline bool stedma40_filter(struct dma_chan *chan, void *data) +{ + return false; +} + +static inline struct +dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan, + dma_addr_t addr, + unsigned int size, + enum dma_data_direction direction, + unsigned long flags) +{ + return NULL; +} +#endif + #endif |