Den 15.06.2021 11.17, skrev Peter Stuge:
> Hi Noralf,
>
> Noralf Trønnes wrote:
+static int gud_usb_bulk(struct gud_device *gdrm, size_t len)
> ..
+ timer_setup_on_stack(&ctx.timer, gud_usb_bulk_timeout, 0);
+ mod_timer(&ctx.timer, jiffies + msecs_to_jiffies(3000));
>
Hi Noralf,
Noralf Trønnes wrote:
> >> +static int gud_usb_bulk(struct gud_device *gdrm, size_t len)
..
> >> + timer_setup_on_stack(&ctx.timer, gud_usb_bulk_timeout, 0);
> >> + mod_timer(&ctx.timer, jiffies + msecs_to_jiffies(3000));
> >> +
> >> + usb_sg_wait(&ctx.sgr);
> >> +
> >
Den 14.06.2021 22.54, skrev Linus Walleij:
> Hi Noralf,
>
> On Mon, Mar 29, 2021 at 8:01 PM Noralf Trønnes wrote:
>
>> There'a limit to how big a kmalloc buffer can be, and as memory gets
>> fragmented it becomes more difficult to get big buffers. The downside of
>> smaller buffers is that th
Hi Noralf,
On Mon, Mar 29, 2021 at 8:01 PM Noralf Trønnes wrote:
> There'a limit to how big a kmalloc buffer can be, and as memory gets
> fragmented it becomes more difficult to get big buffers. The downside of
> smaller buffers is that the driver has to split the transfer up which
> hampers per
There'a limit to how big a kmalloc buffer can be, and as memory gets
fragmented it becomes more difficult to get big buffers. The downside of
smaller buffers is that the driver has to split the transfer up which
hampers performance. Compression might also take a hit because of the
splitting.
Solve
