[PATCH v2 0/2] spi: cadence-qspi: Move to spi-mem APIs

[Simon Goldschmidt]

Vignesh Raghavendra <vigneshr at ti.com> schrieb am Di., 14. Jan. 2020, 16:03:

> Hi,
>
> On 11/19/2019 3:43 PM, Vignesh Raghavendra wrote:
> > First patch moves driver over to spi-mem framework and implement
> > spi_mem_ops. This is require to support more SPI Flash opcodes like SFDP
> > parsing etc. Series is in prepartion to add Octal mode for support for
> > the same driver to support OSPI version of the controller.
> >
> > Second patch adds DAC mode that provide memory mapped access to flash.
> > This greatly increases the read throughput.
> >
> > Tested with mt25qu512 flash and s25fl512 flash
> >
> > Note: Depends on [1][2] that adds stubs for dma_memcpy() to be used on
> > platforms without CONFIG_DMA enabled.
> >
> > [1]http://patchwork.ozlabs.org/patch/1195557/
> > [2]http://patchwork.ozlabs.org/patch/1195556/
> >
>
> Gentle ping... This has been in the ML for quite sometime. Could this be
> considered for this merge window?
>

Oh, sorry. I'll take that as a reminder to test remaining things tomorrow.

Regards,
Simon


> Regards
> Vignesh
>
> >
> > Vignesh Raghavendra (2):
> >   spi: cadence_qspi: Move to spi-mem framework
> >   spi: cadence-qspi: Add direct mode support
> >
> >  drivers/spi/cadence_qspi.c     | 148 +++++++++++---------------
> >  drivers/spi/cadence_qspi.h     |  24 +++--
> >  drivers/spi/cadence_qspi_apb.c | 185 ++++++++++++++++-----------------
> >  3 files changed, 164 insertions(+), 193 deletions(-)
> >
>