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

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Message-Id: <20220427153446.10113-1-abbotti@mev.co.uk>
Date:   Wed, 27 Apr 2022 16:34:46 +0100
From:   Ian Abbott <abbotti@....co.uk>
To:     linux-spi@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>, Dinh Nguyen <dinguyen@...nel.org>,
        Pratyush Yadav <p.yadav@...com>, linux-kernel@...r.kernel.org,
        Ian Abbott <abbotti@....co.uk>
Subject: [PATCH] spi: cadence-quadspi: fix Direct Access Mode disable for SoCFPGA

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>
---
 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