Messages in this thread Patch in this message | | | Date | Thu, 14 Feb 2019 10:57:27 +0000 | From | Marc Zyngier <> | Subject | Re: [PATCH v3 20/37] ARM: davinci: aintc: move timer-specific irq_set_handler() out of irq.c |
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On Tue, 12 Feb 2019 10:38:18 +0000, Bartosz Golaszewski <brgl@bgdev.pl> wrote: > > From: Bartosz Golaszewski <bgolaszewski@baylibre.com> > > I've been unable to figure out exactly why, but it seems that the > IRQ_TINT1_TINT34 interrupt for timer 1 needs to be handled as a > level irq, not edge like all others. > > Let's move the handler setup out of the aintc driver where it's lived > since the beginning and into the dm* SoC-specific files where it > belongs. > > Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> > --- > arch/arm/mach-davinci/dm355.c | 8 ++++++++ > arch/arm/mach-davinci/dm365.c | 8 ++++++++ > arch/arm/mach-davinci/dm644x.c | 8 ++++++++ > arch/arm/mach-davinci/dm646x.c | 8 ++++++++ > arch/arm/mach-davinci/irq.c | 3 --- > 5 files changed, 32 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c > index c7cd765114af..a732f2ea1d9a 100644 > --- a/arch/arm/mach-davinci/dm355.c > +++ b/arch/arm/mach-davinci/dm355.c > @@ -15,6 +15,7 @@ > #include <linux/dma-mapping.h> > #include <linux/dmaengine.h> > #include <linux/init.h> > +#include <linux/irq.h> > #include <linux/irqchip/irq-davinci-aintc.h> > #include <linux/platform_data/edma.h> > #include <linux/platform_data/gpio-davinci.h> > @@ -744,6 +745,13 @@ void __init dm355_init_time(void) > psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); > dm355_psc_init(NULL, psc); > > + /* > + * Nobody knows why anymore, but this interrupt has been handled as > + * a level irq from the very beginning of davinci support in mainline > + * linux. > + */ > + irq_set_handler(DAVINCI_INTC_IRQ(IRQ_TINT1_TINT34), handle_level_irq); > +
I've said it on v2, I'm repeating it on v3. There is no point in duplicating this pointless hack on and on again. If there is a driver using this interrupt, move the setup there, and fix the irq_set_type callback.
If nothing is using it, remove it altogether.
Thanks,
M.
-- Jazz is not dead, it just smell funny.
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