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Diffstat (limited to 'drivers/staging/xillybus/xillybus_core.c')
-rw-r--r--drivers/staging/xillybus/xillybus_core.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/staging/xillybus/xillybus_core.c b/drivers/staging/xillybus/xillybus_core.c
index bee58a2db310..f48e4de0ca3a 100644
--- a/drivers/staging/xillybus/xillybus_core.c
+++ b/drivers/staging/xillybus/xillybus_core.c
@@ -634,7 +634,6 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
channel = endpoint->channels[1]; /* This should be generated ad-hoc */
channel->wr_sleepy = 1;
- wmb(); /* Setting wr_sleepy must come before the command */
iowrite32(1 |
(3 << 24), /* Opcode 3 for channel 0 = Send IDT */
@@ -1968,7 +1967,7 @@ EXPORT_SYMBOL(xillybus_init_endpoint);
static int xilly_quiesce(struct xilly_endpoint *endpoint)
{
endpoint->idtlen = -1;
- wmb(); /* Make sure idtlen is set before sending command */
+
iowrite32((u32) (endpoint->dma_using_dac & 0x0001),
endpoint->registers + fpga_dma_control_reg);
@@ -2029,8 +2028,6 @@ int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)
endpoint->idtlen = -1;
- smp_wmb();
-
/*
* Set DMA 32/64 bit mode, quiesce the device (?!) and get IDT
* buffer size.