[PATCH v4 3/4] spi: Use BITS_TO_BYTES()

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Mark Brown <broonie@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Sebastian Reichel <sebastian.reichel@collabora.com>
Subject: [PATCH v4 3/4] spi: Use BITS_TO_BYTES()
Date: Fri, 14 Jul 2023 12:17:47 +0300	[thread overview]
Message-ID: <20230714091748.89681-4-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <20230714091748.89681-1-andriy.shevchenko@linux.intel.com>

BITS_TO_BYTES() is the existing macro which takes care about full
bytes that may fully hold the given amount of bits. Use it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/spi/spi.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 05f702339182..8d6304cb061e 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3877,11 +3877,9 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message)
 	 */
 	if ((spi->mode & SPI_CS_WORD) && (!(ctlr->mode_bits & SPI_CS_WORD) ||
 					  spi_get_csgpiod(spi, 0))) {
-		size_t maxsize;
+		size_t maxsize = BITS_TO_BYTES(spi->bits_per_word);
 		int ret;
 
-		maxsize = (spi->bits_per_word + 7) / 8;
-
 		/* spi_split_transfers_maxsize() requires message->spi */
 		message->spi = spi;
 
-- 
2.40.0.1.gaa8946217a0b

