spi/rockchip: do an error handling in proper time
There was handle_err() callback introduced that is dedicated for error
handling. The patch moves error handling to this callback.
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 1a777dc..25003c4 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -302,8 +302,8 @@
return 0;
}
-static int rockchip_spi_unprepare_message(struct spi_master *master,
- struct spi_message *msg)
+static void rockchip_spi_handle_err(struct spi_master *master,
+ struct spi_message *msg)
{
unsigned long flags;
struct rockchip_spi *rs = spi_master_get_devdata(master);
@@ -313,8 +313,8 @@
/*
* For DMA mode, we need terminate DMA channel and flush
* fifo for the next transfer if DMA thansfer timeout.
- * unprepare_message() was called by core if transfer complete
- * or timeout. Maybe it is reasonable for error handling here.
+ * handle_err() was called by core if transfer failed.
+ * Maybe it is reasonable for error handling here.
*/
if (rs->use_dma) {
if (rs->state & RXBUSY) {
@@ -327,6 +327,12 @@
}
spin_unlock_irqrestore(&rs->lock, flags);
+}
+
+static int rockchip_spi_unprepare_message(struct spi_master *master,
+ struct spi_message *msg)
+{
+ struct rockchip_spi *rs = spi_master_get_devdata(master);
spi_enable_chip(rs, 0);
@@ -688,6 +694,7 @@
master->prepare_message = rockchip_spi_prepare_message;
master->unprepare_message = rockchip_spi_unprepare_message;
master->transfer_one = rockchip_spi_transfer_one;
+ master->handle_err = rockchip_spi_handle_err;
rs->dma_tx.ch = dma_request_slave_channel(rs->dev, "tx");
if (!rs->dma_tx.ch)