On Fri, May 7, 2021 at 5:52 PM Joakim Tjernlund
wrote:
> On Fri, 2021-05-07 at 14:46 +0300, Andy Shevchenko wrote:
> > On Fri, May 7, 2021 at 3:40 AM Chris Packham
> > wrote:
...
> > So, now you may shrink it even further, i.e.
> >
> >void __iomem *sr = i2c->base + MPC_I2C_SR;
> >
On Fri, 2021-05-07 at 14:46 +0300, Andy Shevchenko wrote:
> On Fri, May 7, 2021 at 3:40 AM Chris Packham
> wrote:
> >
> > The P2040/P2041 has an erratum where the normal i2c recovery mechanism
> > does not work. Implement the alternative recovery mechanism documented
> > in the P2040 Chip Errata
On Fri, May 7, 2021 at 3:40 AM Chris Packham
wrote:
>
> The P2040/P2041 has an erratum where the normal i2c recovery mechanism
> does not work. Implement the alternative recovery mechanism documented
> in the P2040 Chip Errata Rev Q.
Thanks.
> +static int i2c_mpc_wait_sr(struct mpc_i2c *i2c, int
The P2040/P2041 has an erratum where the normal i2c recovery mechanism
does not work. Implement the alternative recovery mechanism documented
in the P2040 Chip Errata Rev Q.
Signed-off-by: Chris Packham
---
Notes:
Changes in v2:
- Use readb_poll_timeout instead of open-coded loop
drive
