tree ec195673813725fbfc49c6e56689682b162f42d4
parent 169d5f663759ec494aa74a552ce99486235e6e50
author Dan Williams <dan.j.williams@intel.com> 1232401150 -0700
committer Dan Williams <dan.j.williams@intel.com> 1232401150 -0700

dmaengine: kill some dubious WARN_ONCEs

dma_find_channel and dma_issue_pending_all are good places to warn about
improper api usage.  However, warning correctly means synchronizing with
dma_list_mutex, i.e. too much overhead for these fast-path calls.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>