On Fri, 18 Mar 2011 18:34:58 +0200
Antti Palosaari<crope@xxxxxx> wrote:
On 03/15/2011 10:43 AM, Florian Mickler wrote:usb_control_msg initiates (and waits for completion of) a dma transfer using
the supplied buffer. That buffer thus has to be seperately allocated on
In lib/dma_debug.c the function check_for_stack even warns about it:
WARNING: at lib/dma-debug.c:866 check_for_stack
Note: This change is tested to compile only, as I don't have the hardware.
Signed-off-by: Florian Mickler<florian@xxxxxxxxxxx>
This patch did not found from patchwork! Probably skipped due to broken
Cc at my contact. Please resend.
Anyhow, I tested and reviewed it.
Acked-by: Antti Palosaari<crope@xxxxxx>
Reviewed-by: Antti Palosaari<crope@xxxxxx>
Tested-by: Antti Palosaari<crope@xxxxxx>
Yes, there was some broken adressing on my side. Sorry.
Thanks for review&& test! I will resend (hopefully this weekend) the
series when I reviewed some of the other patches if it is
feasible/better to use prealocated memory as suggested by Mauro.
How often does au6610_usb_msg get called in normal operation? Should it
use preallocated memory?