linux-kernel - Re: [PATCH] spi: cadence-quadspi: fix Direct Access Mode disable for SoCFPGA

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Message-ID: <20220429055833.ahgioqdjwgshpylk@ti.com>
Date:   Fri, 29 Apr 2022 11:28:33 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Ian Abbott <abbotti@....co.uk>
CC:     <linux-spi@...r.kernel.org>, Mark Brown <broonie@...nel.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] spi: cadence-quadspi: fix Direct Access Mode disable for
 SoCFPGA

On 27/04/22 04:34PM, Ian Abbott wrote:
> The Cadence QSPI compatible string required for the SoCFPGA platform
> changed from the default "cdns,qspi-nor" to "intel,socfpga-qspi" with
> the introduction of an additional quirk in
> commit 98d948eb8331 ("spi: cadence-quadspi: fix write completion support").
> However, that change did not preserve the previously used
> quirk for this platform.  Reinstate the `CQSPI_DISABLE_DAC_MODE` quirk
> for the SoCFPGA platform.
> 
> Fixes: 98d948eb8331 ("spi: cadence-quadspi: fix write completion support")
> Cc: Dinh Nguyen <dinguyen@...nel.org>
> Signed-off-by: Ian Abbott <abbotti@....co.uk>

Reviewed-by: Pratyush Yadav <p.yadav@...com>

> ---
>  drivers/spi/spi-cadence-quadspi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
> index 41922a5ea1f4..30307392c75a 100644
> --- a/drivers/spi/spi-cadence-quadspi.c
> +++ b/drivers/spi/spi-cadence-quadspi.c
> @@ -1781,7 +1781,7 @@ static const struct cqspi_driver_platdata intel_lgm_qspi = {
>  };
>  
>  static const struct cqspi_driver_platdata socfpga_qspi = {
> -	.quirks = CQSPI_NO_SUPPORT_WR_COMPLETION,
> +	.quirks = CQSPI_DISABLE_DAC_MODE | CQSPI_NO_SUPPORT_WR_COMPLETION,
>  };
>  
>  static const struct cqspi_driver_platdata versal_ospi = {
> -- 
> 2.35.1
> 

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.