Messages in this thread | | | Date | Sat, 30 Nov 2013 09:07:01 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH 2/3] pinctrl: single: fix pcs_disable with bits_per_mux |
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* Peter Ujfalusi <peter.ujfalusi@ti.com> [131128 04:01]: > On 11/28/2013 01:29 PM, Tomi Valkeinen wrote: > > pcs_enable() uses vals->mask instead of pcs->fmask when bits_per_mux is > > enabled. However, pcs_disable() always uses pcs->fmask. > > > > Fix pcs_disable() to use vals->mask with bits_per_mux. > > I wonder how did I missed this?
Probably because the disable can be a nop for some hardware.
> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
> > Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> > > --- > > drivers/pinctrl/pinctrl-single.c | 10 ++++++++-- > > 1 file changed, 8 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c > > index 829b98c5c66f..174f4c50cd77 100644 > > --- a/drivers/pinctrl/pinctrl-single.c > > +++ b/drivers/pinctrl/pinctrl-single.c > > @@ -525,12 +525,18 @@ static void pcs_disable(struct pinctrl_dev *pctldev, unsigned fselector, > > for (i = 0; i < func->nvals; i++) { > > struct pcs_func_vals *vals; > > unsigned long flags; > > - unsigned val; > > + unsigned val, mask; > > > > vals = &func->vals[i]; > > raw_spin_lock_irqsave(&pcs->lock, flags); > > val = pcs->read(vals->reg); > > - val &= ~pcs->fmask; > > + > > + if (pcs->bits_per_mux) > > + mask = vals->mask; > > + else > > + mask = pcs->fmask; > > + > > + val &= ~mask; > > val |= pcs->foff << pcs->fshift; > > pcs->write(val, vals->reg); > > raw_spin_unlock_irqrestore(&pcs->lock, flags); > > > > > -- > Péter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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