misc: lis3lv02d: use spi_write_then_read() instead of spi_write()

PATCH New Marcus Folkesson 1 participant 1 message Dec 9, 2016

Subsystems (2)

Char and misc drivers LIS3LV02D accelerometer driver

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Marcus Folkesson

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2016-12-09 10:43 UTC #0 lore raw

PATCH 1/1 misc: lis3lv02d: use spi_write_then_read() instead of spi_write()

spi_write() needs a DMA-safe buffer.

Signed-off-by Marcus Folkesson <[email protected]>

---
 drivers/misc/lis3lv02d/lis3lv02d_spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

drivers/misc/lis3lv02d/lis3lv02d_spi.c +1 -1

index e575475123c8..7e592df6f0d2 100644
@@ -40,7 +40,7 @@ static int lis3_spi_write(struct lis3lv02d *lis3, int reg, u8 val)
 {
 	u8 tmp[2] = { reg, val };
 	struct spi_device *spi = lis3->bus_priv;
-	return spi_write(spi, tmp, sizeof(tmp));
+	return spi_write_then_read(spi, tmp, sizeof(tmp), NULL, 0);
 }
 
 static int lis3_spi_init(struct lis3lv02d *lis3)

Signature · 1 line

2.11.0.rc2