On Fri, Jul 15, 2016 at 10:42:55AM +0800, Shawn Lin wrote:
> 在 2016/7/15 10:31, Brian Norris 写道:
> >So maybe there's a driver bug in the PIO path that gives us an
> >off-by-one error. I poked around a bit and couldn't figure out anything,
> >so I sent this. Technically, this patch is still valid
On Fri, Jul 15, 2016 at 10:42:55AM +0800, Shawn Lin wrote:
> 在 2016/7/15 10:31, Brian Norris 写道:
> >So maybe there's a driver bug in the PIO path that gives us an
> >off-by-one error. I poked around a bit and couldn't figure out anything,
> >so I sent this. Technically, this patch is still valid
在 2016/7/15 10:31, Brian Norris 写道:
Hi Shawn,
On Fri, Jul 15, 2016 at 09:56:59AM +0800, Shawn Lin wrote:
在 2016/7/15 9:30, Brian Norris 写道:
The Rockchip SPI controller's length register only supports 16-bits,
yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
1"). Trying
在 2016/7/15 10:31, Brian Norris 写道:
Hi Shawn,
On Fri, Jul 15, 2016 at 09:56:59AM +0800, Shawn Lin wrote:
在 2016/7/15 9:30, Brian Norris 写道:
The Rockchip SPI controller's length register only supports 16-bits,
yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
1"). Trying
Hi Shawn,
On Fri, Jul 15, 2016 at 09:56:59AM +0800, Shawn Lin wrote:
> 在 2016/7/15 9:30, Brian Norris 写道:
> >The Rockchip SPI controller's length register only supports 16-bits,
> >yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
> >1"). Trying to transfer more than that
Hi Shawn,
On Fri, Jul 15, 2016 at 09:56:59AM +0800, Shawn Lin wrote:
> 在 2016/7/15 9:30, Brian Norris 写道:
> >The Rockchip SPI controller's length register only supports 16-bits,
> >yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
> >1"). Trying to transfer more than that
The Rockchip SPI controller's length register only supports 16-bits,
yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
1"). Trying to transfer more than that (e.g., with a large SPI flash
read) will cause the driver to hang.
Now, it seems that while theoretically we should
The Rockchip SPI controller's length register only supports 16-bits,
yielding a maximum length of 64KiB (the CTRLR1 register holds "length -
1"). Trying to transfer more than that (e.g., with a large SPI flash
read) will cause the driver to hang.
Now, it seems that while theoretically we should
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