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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2011-06-09 09:48:25 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-06-14 23:23:23 +0200
commit08e6c611123ab499757e4133df7ddc0875c0dccf (patch)
treee763cc68029233eaabaca44c25106fd62997ae05 /drivers/usb/renesas_usbhs/pipe.c
parentMerge 3.0-rc2 into usb-linus as it's needed by some USB patches (diff)
downloadlinux-08e6c611123ab499757e4133df7ddc0875c0dccf.tar.xz
linux-08e6c611123ab499757e4133df7ddc0875c0dccf.zip
usb: renesas_usbhs: fixup connection fail
Sometimes the connection fail happen on renesas_usbhs. This patch fix it up. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.c')
-rw-r--r--drivers/usb/renesas_usbhs/pipe.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index d0ae846632cd..1b14cae45704 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -500,6 +500,12 @@ void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe)
usbhsp_pipectrl_set(pipe, SQCLR, SQCLR);
}
+void usbhs_pipe_clear(struct usbhs_pipe *pipe)
+{
+ usbhsp_pipectrl_set(pipe, ACLRM, ACLRM);
+ usbhsp_pipectrl_set(pipe, ACLRM, 0);
+}
+
static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type)
{
struct usbhs_pipe *pos, *pipe;
@@ -568,8 +574,7 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
INIT_LIST_HEAD(&pipe->list);
/* pipe force init */
- usbhsp_pipectrl_set(pipe, ACLRM, ACLRM);
- usbhsp_pipectrl_set(pipe, ACLRM, 0);
+ usbhs_pipe_clear(pipe);
}
info->done = done;