On Tue 07 Jun 2011 at 23:24:53 Janusz Krzysztofik wrote:
> On Tue 07 Jun 2011 at 21:29:25 Rafael J. Wysocki wrote:
> > OK, below is an "official" version. Can you please double check if
> > it fixes the problem for you?
>
> Hi,
> I've tested it successfully, but only the CONFIG_PM_RUNTIME=y case,
> not the other because of still another McBSP issue, I believe,
> described elswhere.
With a patch from Kevin, I was able to test the !PM_RUNTIME case
successfully as well.
Thanks,
Janusz
> Thanks,
> Janusz
>
> > Rafael
> >
> > ---
> > From: Rafael J. Wysocki <rjw@xxxxxxx>
> > Subject: PM / Runtime: Fix loops in pm_runtime_clk_notify()
> >
> > The loops over connection ID strings in pm_runtime_clk_notify()
> > should actually iterate over the strings and not over the elements
> > of the first of them, so make those loops behave as appropriate.
> >
> > This fixes a regression introduced by commit 600b776eb39a13a28b090
> > (OMAP1 / PM: Use generic clock manipulation routines for runtime
> > PM).
> >
> > Reported-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
> > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> > ---
> >
> > drivers/base/power/clock_ops.c | 16 ++++++++--------
> > 1 file changed, 8 insertions(+), 8 deletions(-)
> >
> > Index: linux-2.6/drivers/base/power/clock_ops.c
> > ===================================================================
> > --- linux-2.6.orig/drivers/base/power/clock_ops.c
> > +++ linux-2.6/drivers/base/power/clock_ops.c
> > @@ -291,7 +291,7 @@ static int pm_runtime_clk_notify(struct
> >
> > {
> >
> > struct pm_clk_notifier_block *clknb;
> > struct device *dev = data;
> >
> > - char *con_id;
> > + char **con_id;
> >
> > int error;
> >
> > dev_dbg(dev, "%s() %ld\n", __func__, action);
> >
> > @@ -309,8 +309,8 @@ static int pm_runtime_clk_notify(struct
> >
> > dev->pwr_domain = clknb->pwr_domain;
> > if (clknb->con_ids[0]) {
> >
> > - for (con_id = clknb->con_ids[0]; *con_id; con_id++)
> > - pm_runtime_clk_add(dev, con_id);
> > + for (con_id = clknb->con_ids; *con_id; con_id++)
> > + pm_runtime_clk_add(dev, *con_id);
> >
> > } else {
> >
> > pm_runtime_clk_add(dev, NULL);
> >
> > }
> >
> > @@ -380,7 +380,7 @@ static int pm_runtime_clk_notify(struct
> >
> > {
> >
> > struct pm_clk_notifier_block *clknb;
> > struct device *dev = data;
> >
> > - char *con_id;
> > + char **con_id;
> >
> > dev_dbg(dev, "%s() %ld\n", __func__, action);
> >
> > @@ -389,16 +389,16 @@ static int pm_runtime_clk_notify(struct
> >
> > switch (action) {
> >
> > case BUS_NOTIFY_ADD_DEVICE:
> > if (clknb->con_ids[0]) {
> >
> > - for (con_id = clknb->con_ids[0]; *con_id; con_id++)
> > - enable_clock(dev, con_id);
> > + for (con_id = clknb->con_ids; *con_id; con_id++)
> > + enable_clock(dev, *con_id);
> >
> > } else {
> >
> > enable_clock(dev, NULL);
> >
> > }
> > break;
> >
> > case BUS_NOTIFY_DEL_DEVICE:
> > if (clknb->con_ids[0]) {
> >
> > - for (con_id = clknb->con_ids[0]; *con_id; con_id++)
> > - disable_clock(dev, con_id);
> > + for (con_id = clknb->con_ids; *con_id; con_id++)
> > + disable_clock(dev, *con_id);
> >
> > } else {
> >
> > disable_clock(dev, NULL);
> >
> > }
> >
> > --
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