linux-kernel - [PATCH v2 1/2] spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller

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Message-ID: <20220406133604.455356-1-tudor.ambarus@microchip.com>
Date:   Wed, 6 Apr 2022 16:36:03 +0300
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <broonie@...nel.org>
CC:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <claudiu.beznea@...rochip.com>, <linux-spi@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Tudor Ambarus" <tudor.ambarus@...rochip.com>,
        <stable@...r.kernel.org>
Subject: [PATCH v2 1/2] spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller

Use the spi_mem_default_supports_op() core helper in order to take into
account the buswidth specified by the user in device tree.

Cc: <stable@...r.kernel.org>
Fixes: 0e6aae08e9ae ("spi: Add QuadSPI driver for Atmel SAMA5D2")
Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
v2: amend patch's subject, s/"spi: atmel-quadspi.c:"/"spi: atmel-quadspi:"

 drivers/spi/atmel-quadspi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 92d9610df1fd..938017a60c8e 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
 static bool atmel_qspi_supports_op(struct spi_mem *mem,
 				   const struct spi_mem_op *op)
 {
+	if (!spi_mem_default_supports_op(mem, op))
+		return false;
+
 	if (atmel_qspi_find_mode(op) < 0)
 		return false;
 
-- 
2.25.1