Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-17 01:22:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

dmaengine: dw: provide probe(), remove() stubs for users

Browse Source 
Some users consider DMA optional, thus when driver is not compiled we shouldn't
prevent compilation of the users. Add stubs for dw_dma_probe() and
dw_dma_remove().

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2016-08-17 19:20:23 +03:00 committed by Greg Kroah-Hartman
parent 5fb23e35ca
commit 19d82910c0
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/dma/dw.h
View File

@ -40,8 +40,13 @@ struct dw_dma_chip {
};
/* Export to the platform drivers */
#if IS_ENABLED(CONFIG_DW_DMAC_CORE)
int dw_dma_probe(struct dw_dma_chip *chip);
int dw_dma_remove(struct dw_dma_chip *chip);
#else
static inline int dw_dma_probe(struct dw_dma_chip *chip) { return -ENODEV; }
static inline int dw_dma_remove(struct dw_dma_chip *chip) { return 0; }
#endif /* CONFIG_DW_DMAC_CORE */
/* DMA API extensions */
struct dw_desc;