dmatest: do not allow to interrupt ongoing tests
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 23 May 2013 11:29:53 +0000 (14:29 +0300)
committerVinod Koul <vinod.koul@intel.com>
Fri, 7 Jun 2013 20:43:44 +0000 (02:13 +0530)
commitbcc567e3115055a9cc256183d72864f01286be22
tree2775e4359ff7d53e8656c07954683135d2e15e0c
parent9ecb41bd8cf002fd8f3e063db4df81647ddd623c
dmatest: do not allow to interrupt ongoing tests

When user interrupts ongoing transfers the dmatest may end up with console
lockup, oops, or data mismatch. This patch prevents user to abort any ongoing
test.

Documentation is updated accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Documentation/dmatest.txt
drivers/dma/dmatest.c