Re: [RFC/PATCH 0/2] spi: spi-dw: Select 16b or 32b register access

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Wed, 2015-03-04 at 14:31 -0600, tthayer@opensource.altera.com wrote:
> From: Thor Thayer <tthayer@opensource.altera.com>
> 
> The Altera Arria10 SoC requires 32 bit accesses to peripherals.

Accordingly to what I can read here [1] the IP block is DW_apb_ssi. So,
I don't see any needs for those patches.

The thing which might be needed is to implement DMA support for that
chip.

[1] http://www.altera.com/literature/hb/arria-10/hps.html


>  The
> DesignWare SPI peripheral registers are on 32bit boundaries so this
> patch is minimal. Function pointers are used to select 32bit access
> or 16bit accesses.
> 
> Thor Thayer (2):
>   dt-binding: spi: spi-dw: Select 16b or 32b access for Designware SPI
>   spi: dw-spi: Pointers select 16b vs. 32b DesignWare access
> 
>  Documentation/devicetree/bindings/spi/spi-dw.txt |    1 +
>  drivers/spi/spi-dw-mmio.c                        |    7 +++-
>  drivers/spi/spi-dw.c                             |   38 +++++++++++++---------
>  drivers/spi/spi-dw.h                             |   10 +++---
>  4 files changed, 35 insertions(+), 21 deletions(-)
> 


-- 
Andy Shevchenko <andriy.shevchenko@intel.com>
Intel Finland Oy