On Tue, 11 Oct 2016 07:09:16 -0300, Mauro wrote:
> struct af9005_device_state {
>
> u8 sequence;
>
> int led_state;
>
> + unsigned char data[256];
>
> + struct mutex data_mutex;
>
> };
This will not work on DMA incoherent architectures. When the data
cache is invalida
The USB control messages require DMA to work. We cannot pass
a stack-allocated buffer, as it is not warranted that the
stack would be into a DMA enabled area.
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/usb/dvb-usb/af9005.c | 317 +
1 file changed,
2 matches
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