linux-kernel - [PATCH v3 02/14] spi: airoha: remove unnecessary restriction length

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Message-ID: <20250820123317.728148-3-mikhail.kshevetskiy@iopsys.eu>
Date: Wed, 20 Aug 2025 15:33:05 +0300
From: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
To: Lorenzo Bianconi <lorenzo@...nel.org>,
	Ray Liu <ray.liu@...oha.com>,
	Mark Brown <broonie@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Frieder Schrempf <frieder.schrempf@...tron.de>
Cc: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
Subject: [PATCH v3 02/14] spi: airoha: remove unnecessary restriction length

The "length < 160" restriction is not needed because airoha_snand_write_data()
and airoha_snand_read_data() will properly handle data transfers above
SPI_MAX_TRANSFER_SIZE.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@...sys.eu>
---
 drivers/spi/spi-airoha-snfi.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/spi/spi-airoha-snfi.c b/drivers/spi/spi-airoha-snfi.c
index 043a03cd90a1..bcc464ec9c61 100644
--- a/drivers/spi/spi-airoha-snfi.c
+++ b/drivers/spi/spi-airoha-snfi.c
@@ -579,13 +579,6 @@ static int airoha_snand_adjust_op_size(struct spi_mem *mem,
 
 		if (op->data.nbytes > max_len)
 			op->data.nbytes = max_len;
-	} else {
-		max_len = 1 + op->addr.nbytes + op->dummy.nbytes;
-		if (max_len >= 160)
-			return -EOPNOTSUPP;
-
-		if (op->data.nbytes > 160 - max_len)
-			op->data.nbytes = 160 - max_len;
 	}
 
 	return 0;
-- 
2.50.1