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path: root/drivers/spi
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Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi_bfin5xx.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index 122292557bf..bdad0bbd0a4 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -540,15 +540,13 @@ static void giveback(struct driver_data *drv_data)
msg->state = NULL;
- /* disable chip select signal. And not stop spi in autobuffer mode */
- if (drv_data->tx_dma != 0xFFFF) {
- cs_deactive(drv_data, chip);
- bfin_spi_disable(drv_data);
- }
-
if (!drv_data->cs_change)
cs_deactive(drv_data, chip);
+ /* Not stop spi in autobuffer mode */
+ if (drv_data->tx_dma != 0xFFFF)
+ bfin_spi_disable(drv_data);
+
if (msg->complete)
msg->complete(msg->context);
}
@@ -757,7 +755,8 @@ static void pump_transfers(unsigned long data)
write_STAT(drv_data, BIT_STAT_CLR);
cr = (read_CTRL(drv_data) & (~BIT_CTL_TIMOD));
- cs_active(drv_data, chip);
+ if (drv_data->cs_change)
+ cs_active(drv_data, chip);
dev_dbg(&drv_data->pdev->dev,
"now pumping a transfer: width is %d, len is %d\n",
@@ -919,11 +918,11 @@ static void pump_transfers(unsigned long data)
} else {
/* Update total byte transfered */
message->actual_length += drv_data->len_in_bytes;
-
/* Move to next transfer of this msg */
message->state = next_transfer(drv_data);
+ if (drv_data->cs_change)
+ cs_deactive(drv_data, chip);
}
-
/* Schedule next transfer tasklet */
tasklet_schedule(&drv_data->pump_transfers);