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authorThomas Gleixner <tglx@linutronix.de>2014-12-16 12:25:38 +0100
committerThomas Gleixner <tglx@linutronix.de>2014-12-16 12:25:38 +0100
commit8ab7913675726e5ae23b91221c0b5442d986d44a (patch)
treef2673dcb25e864cc87abe3f2d58db9bf9730f148 /drivers/spi/spi-dw.c
parent864b94adfcba752aa902ee34497bbe58b97aa8d3 (diff)
parent3a5dc1fafb016560315fe45bb4ef8bde259dd1bc (diff)
Merge branch 'x86/vt-d' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu into x86/apic-picks
Required to apply Jiangs x86 irq handling rework without creating a nightmare of conflicts. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/spi/spi-dw.c')
-rw-r--r--drivers/spi/spi-dw.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 72e12bad14b9..d0d5542efc06 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -376,9 +376,6 @@ 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;
@@ -419,7 +416,7 @@ 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;
/* clk_div doesn't support odd number */
@@ -581,7 +578,6 @@ 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 */