Re: [PATCH] hw/ssi: Fix Linux driver init issue with xilinx_spi

[Peter Maydell]

On Fri, 31 Mar 2023 at 11:09, Edgar E. Iglesias
<edgar.iglesias@gmail.com> wrote:
>
>
> On Thu, Mar 23, 2023 at 7:29 PM Chris Rauer <crauer@google.com> wrote:
>>
>> The problem is that the Linux driver expects the master transaction inhibit
>> bit(R_SPICR_MTI) to be set during driver initialization so that it can
>> detect the fifo size but QEMU defaults it to zero out of reset.  The
>> datasheet indicates this bit is active on reset.
>>
>> See page 25, SPI Control Register section:
>> https://www.xilinx.com/content/dam/xilinx/support/documents/ip_documentation/axi_quad_spi/v3_2/pg153-axi-quad-spi.pdf
>>
>
> Yes, MTI should be set when the device comes out of reset.
>
> Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com>

Thanks; applied to target-arm.next for 8.0.

-- PMM