spi: dw: Fix dynamic speed change.

[pandora-kernel.git] / drivers / spi / spi-dw.c

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 082458d..9eddaab 100644 (file)
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -400,9 +400,6 @@ static void pump_transfers(unsigned long data)
        chip = dws->cur_chip;
        spi = message->spi;
 
-       if (unlikely(!chip->clk_div))
-               chip->clk_div = dws->max_freq / chip->speed_hz;
-
        if (message->state == ERROR_STATE) {
                message->status = -EIO;
                goto early_exit;
@@ -444,7 +441,7 @@ static void pump_transfers(unsigned long data)
        if (transfer->speed_hz) {
                speed = chip->speed_hz;
 
-               if (transfer->speed_hz != speed) {
+               if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
                        speed = transfer->speed_hz;
                        if (speed > dws->max_freq) {
                                printk(KERN_ERR "MRST SPI0: unsupported"
@@ -683,7 +680,6 @@ static int dw_spi_setup(struct spi_device *spi)
                dev_err(&spi->dev, "No max speed HZ parameter\n");
                return -EINVAL;
        }
-       chip->speed_hz = spi->max_speed_hz;
 
        chip->tmode = 0; /* Tx & Rx */
        /* Default SPI mode is SCPOL = 0, SCPH = 0 */