Commit 2431a815 authored by Scott Jiang's avatar Scott Jiang Committed by Grant Likely
Browse files

spi/spi-bfin5xx: Fix flush of last bit after each spi transfer



This patch ensures that the last bit of a transfer gets correctly
flushed out of the register.
Signed-off-by: default avatarScott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 128465ca
......@@ -587,6 +587,7 @@ static void bfin_spi_pump_transfers(unsigned long data)
if (message->state == DONE_STATE) {
dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n");
message->status = 0;
bfin_spi_flush(drv_data);
bfin_spi_giveback(drv_data);
return;
}
......@@ -870,8 +871,10 @@ static void bfin_spi_pump_transfers(unsigned long data)
message->actual_length += drv_data->len_in_bytes;
/* Move to next transfer of this msg */
message->state = bfin_spi_next_transfer(drv_data);
if (drv_data->cs_change)
if (drv_data->cs_change && message->state != DONE_STATE) {
bfin_spi_flush(drv_data);
bfin_spi_cs_deactive(drv_data, chip);
}
}
/* Schedule next transfer tasklet */
......
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