[PATCH resend 0/5] spi: mpc8xxx_spi: bug fixes, real ->set_speed and a pseudo-gpio driver

Rasmus Villemoes rasmus.villemoes at prevas.dk
Mon Mar 16 22:37:33 CET 2020


On 11/02/2020 16.20, Rasmus Villemoes wrote:
> This is a combination of a single patch and a 4-part series sent
> previously [1,2], this time with Jagan on Cc.
> 
> Patch 1 is a convenient pseudo-gpio driver for controlling a single
> output signal on mpc830x. Since it's (usually) used as a chip select,
> representing it as a gpio (without the gp or i) makes it simple to use
> in device tree.
> 
> The remaining four fix bugs in the mpc8xxx_spi driver, most
> importantly patch 4. Without it, reads and writes of certain lengths
> from spi-nor fails, and stuff at physical address 0x0 gets overwritten
> even if no input buffer is supplied (e.g. when sending a command).
> 
> Tested on an mpc8309-derived board. It would be nice if someone with
> access to the gazerbeam board can test that this doesn't break that -
> in particular, the "only do transfers that are multiple of 8 bits"
> part.
> 
> [1] https://patchwork.ozlabs.org/patch/1219513/
> [2] https://patchwork.ozlabs.org/cover/1218170/

Ping? Anything I can do to get these patches reviewed?

Thanks,
Rasmus


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