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path: root/drivers/usb/renesas_usbhs/pipe.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.c')
-rw-r--r--drivers/usb/renesas_usbhs/pipe.c31
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index c74389ce217..feb06d6d281 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -257,6 +257,13 @@ void usbhs_pipe_stall(struct usbhs_pipe *pipe)
}
}
+int usbhs_pipe_is_stall(struct usbhs_pipe *pipe)
+{
+ u16 pid = usbhsp_pipectrl_get(pipe) & PID_MASK;
+
+ return (int)(pid == PID_STALL10 || pid == PID_STALL11);
+}
+
/*
* pipe setup
*/
@@ -323,8 +330,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
if (dir_in)
usbhsp_flags_set(pipe, IS_DIR_HOST);
- if ((is_host && !dir_in) ||
- (!is_host && dir_in))
+ if (!!is_host ^ !!dir_in)
dir |= DIR_OUT;
if (!dir)
@@ -471,10 +477,27 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe)
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);
}