This writing code is equivalent to the spi_write()
helper in the SPI framework. Insert a comment
that this will always work fine since SPI buffers
are in native endianness.
Cc: Stephan Gerhold <stephan@xxxxxxxxxxx>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@xxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
index d298d780220d..75f00ed4810b 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e63m0-spi.c
@@ -25,16 +25,9 @@ static int s6e63m0_spi_dcs_read(struct device *dev, const u8 cmd, u8 *data)
static int s6e63m0_spi_write_word(struct device *dev, u16 data)
{
struct spi_device *spi = to_spi_device(dev);
- struct spi_transfer xfer = {
- .len = 2,
- .tx_buf = &data,
- };
- struct spi_message msg;
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
-
- return spi_sync(spi, &msg);
+ /* SPI buffers are always in CPU order */
+ return spi_write(spi, &data, 2);
}
static int s6e63m0_spi_dcs_write(struct device *dev, const u8 *data, size_t len)
--
2.26.2
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