[U-Boot] [PATCH] drivers/spi: fsl_qspi: fix controller busy check

[Thomas Schaefer]

> On Mon, Jun 24, 2019 at 10:34 PM Fabio Estevam <festevam at gmail.com> wrote:
> >
> > From: Thomas Schaefer <thomas.schaefer at kontron.com>
> >
> > During QSPI reads, current is_busy_controller function sporadically 
> > fails with -ETIMEDOUT due to fixed number of 5 test loops. This 
> > patch fixes this by using the readl_poll_timeout function with
> > 1000 us timeout.
> 
> This sounds like two different functionalities into one patch. better create a timeout fix in one patch and another patch to migrate read_poll.

I have split the patch into a series of 2 to differentiate functionality, as follows

Thomas