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path: root/drivers/usb/renesas_usbhs/fifo.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/fifo.c')
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 72339bd6fcab..3648c82a17fe 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -23,6 +23,7 @@
#define usbhsf_get_cfifo(p) (&((p)->fifo_info.cfifo))
#define usbhsf_get_d0fifo(p) (&((p)->fifo_info.d0fifo))
#define usbhsf_get_d1fifo(p) (&((p)->fifo_info.d1fifo))
+#define usbhsf_is_cfifo(p, f) (usbhsf_get_cfifo(p) == f)
#define usbhsf_fifo_is_busy(f) ((f)->pipe) /* see usbhs_pipe_select_fifo */
@@ -75,8 +76,7 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
pipe->handler = &usbhsf_null_handler;
}
- list_del_init(&pkt->node);
- list_add_tail(&pkt->node, &pipe->list);
+ list_move_tail(&pkt->node, &pipe->list);
/*
* each pkt must hold own handler.
@@ -106,7 +106,7 @@ static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe)
if (list_empty(&pipe->list))
return NULL;
- return list_entry(pipe->list.next, struct usbhs_pkt, node);
+ return list_first_entry(&pipe->list, struct usbhs_pkt, node);
}
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
@@ -305,7 +305,10 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe,
}
/* "base" will be used below */
- usbhs_write(priv, fifo->sel, base | MBW_32);
+ if (usbhs_get_dparam(priv, has_sudmac) && !usbhsf_is_cfifo(priv, fifo))
+ usbhs_write(priv, fifo->sel, base);
+ else
+ usbhs_write(priv, fifo->sel, base | MBW_32);
/* check ISEL and CURPIPE value */
while (timeout--) {
@@ -762,9 +765,9 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map)
}
static void usbhsf_dma_complete(void *arg);
-static void usbhsf_dma_prepare_tasklet(unsigned long data)
+static void xfer_work(struct work_struct *work)
{
- struct usbhs_pkt *pkt = (struct usbhs_pkt *)data;
+ struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work);
struct usbhs_pipe *pipe = pkt->pipe;
struct usbhs_fifo *fifo = usbhs_pipe_to_fifo(pipe);
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
@@ -844,11 +847,8 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
pkt->trans = len;
- tasklet_init(&fifo->tasklet,
- usbhsf_dma_prepare_tasklet,
- (unsigned long)pkt);
-
- tasklet_schedule(&fifo->tasklet);
+ INIT_WORK(&pkt->work, xfer_work);
+ schedule_work(&pkt->work);
return 0;
@@ -938,11 +938,8 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
pkt->trans = len;
- tasklet_init(&fifo->tasklet,
- usbhsf_dma_prepare_tasklet,
- (unsigned long)pkt);
-
- tasklet_schedule(&fifo->tasklet);
+ INIT_WORK(&pkt->work, xfer_work);
+ schedule_work(&pkt->work);
return 0;