drivers: spi: gd32 fix a transceive error

There have an extral TBE interrupt event though we have cleared the SPI_CTL1_TBEIE bit. To cover this situation, add a on_going check before enter exchange function. Signed-off-by: HaiLong Yang <[email protected]>
hlord2000 · Apr 5, 2023 · 3d5de89 · 3d5de89
1 parent 5e80329
commit 3d5de89
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/drivers/spi/spi_gd32.c b/drivers/spi/spi_gd32.c
@@ -471,17 +471,19 @@ static void spi_gd32_isr(struct device *dev)
 	struct spi_gd32_data *data = dev->data;
 	int err = 0;
 
-	if ((SPI_STAT(cfg->reg) & SPI_GD32_ERR_MASK) != 0) {
-		err = spi_gd32_get_err(cfg);
-	} else {
+	err = spi_gd32_get_err(cfg);
+	if (err) {
+		spi_gd32_complete(dev, err);
+		return;
+	}
+
+	if (spi_gd32_transfer_ongoing(data)) {
 		err = spi_gd32_frame_exchange(dev);
 	}
 
 	if (err || !spi_gd32_transfer_ongoing(data)) {
 		spi_gd32_complete(dev, err);
 	}
-
-	SPI_STAT(cfg->reg) = 0;
 }
 
 #endif /* SPI_GD32_INTERRUPT */