[PATCH v2 00/10] spi: dw: Add support for DUAL/QUAD/OCTAL modes

[Jagan Teki]

On Sat, Apr 3, 2021 at 4:37 AM Sean Anderson <seanga2 at gmail.com> wrote:
>
> On 4/2/21 7:05 PM, Sean Anderson wrote:
> > This series adds support for enhanced SPI modes. It was tested on a K210 (DWC
> > SSI with QSPI flash).
> >
> > If anyone has a designware device with QSPI flash attached (especially a DW SSI
> > APB device), I'd greatly appreciate them testing out this patch series. Given
> > that there has been no testing of v2 over the past month, I don't think lack of
> > testing should hold up this series.
> >
> > Changes in v3:
> > - Dropped merged patches
> > - Rebased on u-boot/master
> >
> > Changes in v2:
> > - Add more information to exec_op debug message
> > - Actually mask interrupts
> > - Merge CAP_{DUAL,QUAD,OCTAL} into CAP_ENHANCED
> > - Fix some inconsistencies in register naming and usage
> > - Moved some hunks between commits so things make more sense
> >
> > Sean Anderson (10):
> >    mtd: spi-mem: Export spi_mem_default_supports_op
> >    spi: spi-mem: Add debug message for spi-mem ops
> >    spi: dw: Log status register on timeout
> >    spi: dw: Actually mask interrupts
> >    spi: dw: Switch to capabilities
> >    spi: dw: Rewrite poll_transfer logic
> >    spi: dw: Add ENHANCED cap
> >    spi: dw: Define registers for enhanced mode
> >    spi: dw: Support enhanced SPI
> >    spi: dw: Support clock stretching
> >
> >   drivers/spi/designware_spi.c | 647 ++++++++++++++++++++++++-----------
> >   drivers/spi/spi-mem.c        |   7 +
> >   include/spi-mem.h            |   3 +
> >   3 files changed, 451 insertions(+), 206 deletions(-)
> >
>
> Looks like I forgot to bump the version. This should be v3. I can resend if necessary.

Yes, Please.

There are few comments,

1. Patch "spi: spi-mem: Add debug message for spi-mem ops"

As we discussed in the previous version, drop the unnecessary debug
statements after ops execution as this patch trying to add more
verbose to before ops execution.

2. Comments in Patch v2,06/10

Jagan.