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SubjectRe: [PATCH v7 11/14] usb: otg: use dev_dbg() instead of VDBG()
On Mon, May 09, 2016 at 12:48:28PM +0300, Roger Quadros wrote:
> On 06/05/16 12:04, Peter Chen wrote:
> > On Mon, May 02, 2016 at 03:18:54PM +0300, Roger Quadros wrote:
> >> Now that we have a device reference in struct usb_otg
> >> let's use dev_dbg() for debug messages.
> >>
> >> Signed-off-by: Roger Quadros <rogerq@ti.com>
> >> ---
> >> drivers/usb/common/usb-otg-fsm.c | 19 +++++++------------
> >> 1 file changed, 7 insertions(+), 12 deletions(-)
> >>
> >> diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
> >> index 2986b66..e6e58c2 100644
> >> --- a/drivers/usb/common/usb-otg-fsm.c
> >> +++ b/drivers/usb/common/usb-otg-fsm.c
> >> @@ -30,13 +30,6 @@
> >> #include <linux/usb/otg.h>
> >> #include <linux/usb/otg-fsm.h>
> >>
> >> -#ifdef VERBOSE
> >> -#define VDBG(fmt, args...) pr_debug("[%s] " fmt , \
> >> - __func__, ## args)
> >> -#else
> >> -#define VDBG(stuff...) do {} while (0)
> >> -#endif
> >> -
> >> /* Change USB protocol when there is a protocol change */
> >> static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
> >> {
> >> @@ -44,8 +37,9 @@ static int otg_set_protocol(struct otg_fsm *fsm, int protocol)
> >> int ret = 0;
> >>
> >> if (fsm->protocol != protocol) {
> >> - VDBG("Changing role fsm->protocol= %d; new protocol= %d\n",
> >> - fsm->protocol, protocol);
> >> + dev_vdbg(otg->dev,
> >> + "Changing role fsm->protocol= %d; new protocol= %d\n",
> >> + fsm->protocol, protocol);
> >> /* stop old protocol */
> >> if (fsm->protocol == PROTO_HOST)
> >> ret = otg_start_host(otg, 0);
> >> @@ -226,7 +220,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state)
> >>
> >> if (otg->state == new_state)
> >> return 0;
> >> - VDBG("Set state: %s\n", usb_otg_state_string(new_state));
> >> + dev_vdbg(otg->dev, "Set state: %s\n", usb_otg_state_string(new_state));
> >> otg_leave_state(fsm, otg->state);
> >> switch (new_state) {
> >> case OTG_STATE_B_IDLE:
> >> @@ -358,7 +352,7 @@ int otg_statemachine(struct usb_otg *otg)
> >>
> >> switch (state) {
> >> case OTG_STATE_UNDEFINED:
> >> - VDBG("fsm->id = %d\n", fsm->id);
> >> + dev_vdbg(otg->dev, "fsm->id = %d\n", fsm->id);
> >> if (fsm->id)
> >> otg_set_state(fsm, OTG_STATE_B_IDLE);
> >> else
> >> @@ -466,7 +460,8 @@ int otg_statemachine(struct usb_otg *otg)
> >> }
> >> mutex_unlock(&fsm->lock);
> >>
> >> - VDBG("quit statemachine, changed = %d\n", fsm->state_changed);
> >> + dev_vdbg(otg->dev, "quit statemachine, changed = %d\n",
> >> + fsm->state_changed);
> >> return fsm->state_changed;
> >> }
> >> EXPORT_SYMBOL_GPL(otg_statemachine);
> >> --
> >
> > Could you squash patch 2 with this one?
> >
>
> We can't because at patch 2, otg->dev is not defined and we need patch 2
> before patch 8 to prevent the build warning. This patch can come only
> after patch 8 where we add otg->dev.
>

Acked-by: Peter Chen <peter.chen@nxp.com>

--

Best Regards,
Peter Chen

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