Merge tag 'spi-fix-v6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A couple of hopefully final fixes for spi: one driver specific fix for
  an issue with very large transfers and a fix for an issue with the
  locking fixes in spidev merged earlier this release cycle which was
  missed"

* tag 'spi-fix-v6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: spidev: fix a recursive locking error
  spi: dw: Fix wrong FIFO level setting for long xfers

Author: torvalds

drivers/spi/spi-dw-core.c

@@ -366,7 +366,7 @@ static void dw_spi_irq_setup(struct dw_spi *dws)
 	 * will be adjusted at the final stage of the IRQ-based SPI transfer
 	 * execution so not to lose the leftover of the incoming data.
 	 */
-	level = min_t(u16, dws->fifo_len / 2, dws->tx_len);
+	level = min_t(unsigned int, dws->fifo_len / 2, dws->tx_len);
 	dw_writel(dws, DW_SPI_TXFTLR, level);
 	dw_writel(dws, DW_SPI_RXFTLR, level - 1);
 

drivers/spi/spidev.c

@@ -89,10 +89,22 @@ MODULE_PARM_DESC(bufsiz, "data bytes in biggest supported SPI message");
 
 /*-------------------------------------------------------------------------*/
 
+static ssize_t
+spidev_sync_unlocked(struct spi_device *spi, struct spi_message *message)
+{
+	ssize_t status;
+
+	status = spi_sync(spi, message);
+	if (status == 0)
+		status = message->actual_length;
+
+	return status;
+}
+
 static ssize_t
 spidev_sync(struct spidev_data *spidev, struct spi_message *message)
 {
-	int status;
+	ssize_t status;
 	struct spi_device *spi;
 
 	mutex_lock(&spidev->spi_lock);
@@ -101,12 +113,10 @@ spidev_sync(struct spidev_data *spidev, struct spi_message *message)
 	if (spi == NULL)
 		status = -ESHUTDOWN;
 	else
-		status = spi_sync(spi, message);
-
-	if (status == 0)
-		status = message->actual_length;
+		status = spidev_sync_unlocked(spi, message);
 
 	mutex_unlock(&spidev->spi_lock);
+
 	return status;
 }
 
@@ -294,7 +304,7 @@ static int spidev_message(struct spidev_data *spidev,
 		spi_message_add_tail(k_tmp, &msg);
 	}
 
-	status = spidev_sync(spidev, &msg);
+	status = spidev_sync_unlocked(spidev->spi, &msg);
 	if (status < 0)
 		goto done;