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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

drivers/spi/spi-bfin5xx.c

+4 −1
Original line number Diff line number Diff line
@@ -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;

	}
@@ -870,9 +871,11 @@ 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 */

	tasklet_schedule(&drv_data->pump_transfers);