summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/spi/dw_spi.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c
index c4fca3d..d3aaf8d 100644
--- a/drivers/spi/dw_spi.c
+++ b/drivers/spi/dw_spi.c
@@ -173,17 +173,6 @@ static void wait_till_not_busy(struct dw_spi *dws)
"DW SPI: Status keeps busy for 5000us after a read/write!\n");
}
-static void flush(struct dw_spi *dws)
-{
- while (dw_readw(dws, sr) & SR_RF_NOT_EMPT) {
- dw_readw(dws, dr);
- cpu_relax();
- }
-
- wait_till_not_busy(dws);
-}
-
-
static int dw_writer(struct dw_spi *dws)
{
u16 txw = 0;
@@ -297,8 +286,7 @@ static void giveback(struct dw_spi *dws)
static void int_error_stop(struct dw_spi *dws, const char *msg)
{
- /* Stop and reset hw */
- flush(dws);
+ /* Stop the hw */
spi_enable_chip(dws, 0);
dev_err(&dws->master->dev, "%s\n", msg);
@@ -800,7 +788,6 @@ static void spi_hw_init(struct dw_spi *dws)
spi_enable_chip(dws, 0);
spi_mask_intr(dws, 0xff);
spi_enable_chip(dws, 1);
- flush(dws);
/*
* Try to detect the FIFO depth if not set by interface driver,
OpenPOWER on IntegriCloud