usb: renesas_usbhs: divide data transfer functions
DMAEngine will be supported to this driver in the future.
Then, both PIO and DMA data transfer method should be supported.
But, the transfer function can returns the result immediately
in PIO version, but it can't in DMA version.
This patch divides data transfer functions into top/bottom half
in preparation for DMAEngine support.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 75e9e3c..7a11616 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -531,7 +531,9 @@
return pipe;
}
-void usbhs_pipe_init(struct usbhs_priv *priv)
+void usbhs_pipe_init(struct usbhs_priv *priv,
+ void (*tx_done)(struct usbhs_pkt *pkt),
+ void (*rx_done)(struct usbhs_pkt *pkt))
{
struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
struct usbhs_pipe *pipe;
@@ -561,6 +563,9 @@
usbhsp_pipectrl_set(pipe, ACLRM, ACLRM);
usbhsp_pipectrl_set(pipe, ACLRM, 0);
}
+
+ info->tx_done = tx_done;
+ info->rx_done = rx_done;
}
struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
@@ -639,7 +644,6 @@
usbhsp_pipectrl_set(pipe, CCPL, CCPL);
}
-
/*
* pipe module function
*/
