[PATCH v2 06/13] drm/panel: sitronix-st7789v: simplify st7789v_spi_write

From: Sebastian Reichel
Date: Sat Apr 22 2023 - 16:50:50 EST


st7789v_spi_write initializes a message with just
a single transfer, spi_sync_transfer can be used
for that.

Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 1d43b8cc1647..6290bd49d055 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -129,17 +129,13 @@ static int st7789v_spi_write(struct st7789v *ctx, enum st7789v_prefix prefix,
u8 data)
{
struct spi_transfer xfer = { };
- struct spi_message msg;
u16 txbuf = ((prefix & 1) << 8) | data;

- spi_message_init(&msg);
-
xfer.tx_buf = &txbuf;
xfer.bits_per_word = 9;
xfer.len = sizeof(txbuf);

- spi_message_add_tail(&xfer, &msg);
- return spi_sync(ctx->spi, &msg);
+ return spi_sync_transfer(ctx->spi, &xfer, 1);
}

static int st7789v_write_command(struct st7789v *ctx, u8 cmd)
--
2.39.2