linux-kernel - [PATCH 1/4] spi: spi-bitbang: change flags from u8 to u16

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Date:   Mon, 16 Jul 2018 22:20:49 -0500
From:   David Lechner <david@...hnology.com>
To:     linux-spi@...r.kernel.org, linux-iio@...r.kernel.org
Cc:     David Lechner <david@...hnology.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] spi: spi-bitbang: change flags from u8 to u16

This changes the data type of the flags field in struct spi_bitbang from
u8 to u16. This matches the size of the mode field of struct spi_device
where these flags are also used.

This is done in preparation of adding a new SPI mode flag that will be
used with this field that would otherwise not fit in 8 bits.

Signed-off-by: David Lechner <david@...hnology.com>
---
 include/linux/spi/spi_bitbang.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index 51d8c060e513..c1e61641a7f1 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -8,7 +8,7 @@ struct spi_bitbang {
 	struct mutex		lock;
 	u8			busy;
 	u8			use_dma;
-	u8			flags;		/* extra spi->mode support */
+	u16			flags;		/* extra spi->mode support */
 
 	struct spi_master	*master;
 
-- 
2.17.1