usb: renesas_usbhs: care pipe sequence
driver has to re-use the limited pipe for each device/endpoint
when it is USB host hub mode, since number of pipe has limitation.
Then, each pipe should care own pipe sequence for next packet.
This patch adds sequence control.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index c36ad4c..c2559e8 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -478,10 +478,27 @@
return usbhsp_flags_has(pipe, IS_DIR_HOST);
}
-void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int sequence)
{
u16 mask = (SQCLR | SQSET);
- u16 val = (data) ? SQSET : SQCLR;
+ u16 val;
+
+ /*
+ * sequence
+ * 0 : data0
+ * 1 : data1
+ * -1 : no change
+ */
+ switch (sequence) {
+ case 0:
+ val = SQCLR;
+ break;
+ case 1:
+ val = SQSET;
+ break;
+ default:
+ return;
+ }
usbhsp_pipectrl_set(pipe, mask, val);
}