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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-07-07 00:23:24 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-07-08 14:57:12 -0700
commit233f519d273454e3e804e21363d5ef0bd031acfe (patch)
treea8ecdc7ba5d108962e9be01f737e7b2af4ac6374 /drivers/usb/renesas_usbhs/fifo.c
parent45304e8cd9d9df07e9221551678262b390bdaaa4 (diff)
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usb: renesas_usbhs: fixup comment-out
This patch add/modify comment-out of renesas_usbhs. On this process, usbhs_pkt_init was moved because it was placed under usbhsf_null_handler which has no relationship it Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/fifo.c')
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 021695d..237e8b1 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -26,7 +26,16 @@
#define usbhsf_fifo_is_busy(f) ((f)->pipe) /* see usbhs_pipe_select_fifo */
/*
- * packet info function
+ * packet initialize
+ */
+void usbhs_pkt_init(struct usbhs_pkt *pkt)
+{
+ pkt->dma = DMA_ADDR_INVALID;
+ INIT_LIST_HEAD(&pkt->node);
+}
+
+/*
+ * packet control function
*/
static int usbhsf_null_handle(struct usbhs_pkt *pkt, int *is_done)
{
@@ -43,12 +52,6 @@ static struct usbhs_pkt_handle usbhsf_null_handler = {
.try_run = usbhsf_null_handle,
};
-void usbhs_pkt_init(struct usbhs_pkt *pkt)
-{
- pkt->dma = DMA_ADDR_INVALID;
- INIT_LIST_HEAD(&pkt->node);
-}
-
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
struct usbhs_pkt_handle *handler,
void *buf, int len, int zero)
@@ -293,7 +296,7 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe,
}
/*
- * PIO fifo functions
+ * PIO push handler
*/
static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done)
{
@@ -395,6 +398,9 @@ struct usbhs_pkt_handle usbhs_fifo_pio_push_handler = {
.try_run = usbhsf_pio_try_push,
};
+/*
+ * PIO pop handler
+ */
static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done)
{
struct usbhs_pipe *pipe = pkt->pipe;
@@ -497,7 +503,7 @@ struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler = {
};
/*
- * handler function
+ * DCP ctrol statge handler
*/
static int usbhsf_ctrl_stage_end(struct usbhs_pkt *pkt, int *is_done)
{
@@ -614,6 +620,9 @@ static void usbhsf_dma_prepare_tasklet(unsigned long data)
dma_async_issue_pending(chan);
}
+/*
+ * DMA push handler
+ */
static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
{
struct usbhs_pipe *pipe = pkt->pipe;
@@ -686,6 +695,9 @@ struct usbhs_pkt_handle usbhs_fifo_dma_push_handler = {
.dma_done = usbhsf_dma_push_done,
};
+/*
+ * DMA pop handler
+ */
static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
{
struct usbhs_pipe *pipe = pkt->pipe;