On Thu, Sep 06, 2012 at 04:32:28PM +0200, Enrico Scholz wrote:
> Chen Peter-B29397 writes:
>
> > If the class driver has already mapped this address, the req->req.dma is not
> > DMA_ADDR_INVALID either, in this case, the dma_sync_single_for_cpu is
> > enough.
>
> ok; forget the patch then.
fair
Chen Peter-B29397 writes:
> If the class driver has already mapped this address, the req->req.dma is not
> DMA_ADDR_INVALID either, in this case, the dma_sync_single_for_cpu is
> enough.
ok; forget the patch then.
Thanks
Enrico
___
Linuxppc-dev maili
Hi,
On Tue, Sep 04, 2012 at 07:24:59PM +0200, Enrico Scholz wrote:
> The 'mapped' flag in 'struct fsl_req' flag is redundant with checking
> for 'req.dma != DMA_ADDR_INVALID' and it was also set to a wrong value
you should not be using DMA_ADDR_INVALID anymore. Use the generic
map/unmap routines
Hello.
On 04-09-2012 21:24, Enrico Scholz wrote:
The 'mapped' flag in 'struct fsl_req' flag is redundant with checking
for 'req.dma != DMA_ADDR_INVALID' and it was also set to a wrong value
(see 2nd hunk of patch).
Replacing it in the way described above saves 60 bytes:
function
> @@ -195,14 +195,13 @@ static void done(struct fsl_ep *ep, struct fsl_req
> *req, int status)
> dma_pool_free(udc->td_pool, curr_td, curr_td->td_dma);
> }
>
> - if (req->mapped) {
> + if (req->req.dma != DMA_ADDR_INVALID) {
> dma_unmap_single(ep->udc->g
