Messages in this thread | | | From | Rob Herring <> | Date | Tue, 7 Jul 2015 09:38:53 -0500 | Subject | Re: [PATCH 12/15] SH: kill off set_irq_flags usage |
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On Mon, Jul 6, 2015 at 8:55 PM, Simon Horman <horms@verge.net.au> wrote: > On Tue, Jul 07, 2015 at 09:53:39AM +0900, Simon Horman wrote: >> On Tue, Jun 09, 2015 at 01:26:38PM -0500, Rob Herring wrote: >> > set_irq_flags is ARM specific with custom flags which have genirq >> > equivalents. Convert drivers to use the genirq interfaces directly, so we >> > can kill off set_irq_flags. The translation of flags is as follows: >> > >> > IRQF_VALID -> !IRQ_NOREQUEST >> > IRQF_PROBE -> !IRQ_NOPROBE >> > IRQF_NOAUTOEN -> IRQ_NOAUTOEN >> > >> > For IRQs managed by an irqdomain, the irqdomain core code handles clearing >> > and setting IRQ_NOREQUEST already, so there is no need to do this in >> > .map() functions and we can simply remove the set_irq_flags calls. Some >> > users also set IRQ_NOPROBE and this has been maintained although it is not >> > clear that is really needed. There appears to be a great deal of blind >> > copy and paste of this code. >> > >> > Signed-off-by: Rob Herring <robh@kernel.org> >> > Cc: Simon Horman <horms@verge.net.au> >> > Cc: Magnus Damm <magnus.damm@gmail.com> >> > Cc: linux-sh@vger.kernel.org >> >> I am trusting the description above coupled with the comments in >> the original code (that this patch removes). Assuming those ducks are >> aligned: >> >> Acked-by: Simon Horman <horms+renesas@verge.net.au> > > As I usually take patches for drivers/sh/ (there have not been many of late) > please let me know if you would like me to pick up this change.
This is a dependency for removing set_irq_flags from ARM, so I plan to send the whole series to arm-soc.
> Also, a very minor nit, the prefix for patches to this file is usually > 'sh:' rather than 'SH:'.
Okay, will fix-up.
Rob
> >> >> > --- >> > drivers/sh/intc/internals.h | 10 +--------- >> > 1 file changed, 1 insertion(+), 9 deletions(-) >> > >> > diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h >> > index 7dff08e..897ffb1 100644 >> > --- a/drivers/sh/intc/internals.h >> > +++ b/drivers/sh/intc/internals.h >> > @@ -99,15 +99,7 @@ static inline struct intc_desc_int *get_intc_desc(unsigned int irq) >> > */ >> > static inline void activate_irq(int irq) >> > { >> > -#ifdef CONFIG_ARM >> > - /* ARM requires an extra step to clear IRQ_NOREQUEST, which it >> > - * sets on behalf of every irq_chip. Also sets IRQ_NOPROBE. >> > - */ >> > - set_irq_flags(irq, IRQF_VALID); >> > -#else >> > - /* same effect on other architectures */ >> > - irq_set_noprobe(irq); >> > -#endif >> > + irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE); >> > } >> > >> > static inline int intc_handle_int_cmp(const void *a, const void *b) >> > -- >> > 2.1.0 >> > >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-sh" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >>
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