1 Jun
2018
1 Jun
'18
4:25 p.m.
Hi,
On 31 May 2018 at 02:08, tien.fong.chee@intel.com wrote:
From: Tien Fong Chee tien.fong.chee@intel.com
Update the dma_memcpy description on return argument for DMA330 driver.
Signed-off-by: Tien Fong Chee tien.fong.chee@intel.com
include/dma.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/dma.h b/include/dma.h index 0a0c9dd..b825c1e 100644 --- a/include/dma.h +++ b/include/dma.h @@ -79,8 +79,8 @@ int dma_get_device(u32 transfer_type, struct udevice **devp);
- @dst - destination pointer
- @src - souce pointer
- @len - data length to be copied
- @return - on successful transfer returns no of bytes
transferred and on failure return error code.
- @return - on successful transfer returns no of bytes or zero(for DMA330)
transferred and on failure return error code.
This is a public API so you cannot change it just for one device. You can change the API for everyone if you like.
But why would it want to return 0?
*/ int dma_memcpy(struct udevice *dev, void *dst, void *src, size_t len);
-- 2.2.0
Regards, Simon