The return type of usbhsp_setup_pipecfg() was u16 but it was returning
a negative value (-EINVAL). Lets have an additional argument which will
have pipecfg and just return the status (success or error) as the return
from the function.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---
v2: added pipecfg as an argument.
drivers/usb/renesas_usbhs/pipe.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 77b615c..c238772 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -391,9 +391,8 @@ void usbhs_pipe_set_trans_count_if_bulk(struct usbhs_pipe *pipe, int len)
/*
* pipe setup
*/
-static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
- int is_host,
- int dir_in)
+static int usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, int is_host,
+ int dir_in, u16 *pipecfg)
{
u16 type = 0;
u16 bfre = 0;
@@ -451,14 +450,14 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
/* EPNUM */
epnum = 0; /* see usbhs_pipe_config_update() */
-
- return type |
- bfre |
- dblb |
- cntmd |
- dir |
- shtnak |
- epnum;
+ *pipecfg = type |
+ bfre |
+ dblb |
+ cntmd |
+ dir |
+ shtnak |
+ epnum;
+ return 0;
}
static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe)
@@ -703,7 +702,11 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
return NULL;
}
- pipecfg = usbhsp_setup_pipecfg(pipe, is_host, dir_in);
+ if (usbhsp_setup_pipecfg(pipe, is_host, dir_in, &pipecfg)) {
+ dev_err(dev, "can't setup pipe\n");
+ return NULL;
+ }
+
pipebuf = usbhsp_setup_pipebuff(pipe);
usbhsp_pipe_select(pipe);
--
1.9.1
--
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