From: Alexander Sverdlin <alexander.sverdlin@gmail.com> To: afzal mohammed <afzal.mohd.ma@gmail.com>, Viresh Kumar <viresh.kumar@linaro.org>, Hartley Sweeten <hsweeten@visionengravers.com>, Russell King <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de> Subject: Re: [PATCH v3] ARM: ep93xx: Replace setup_irq() by request_irq() Date: Sun, 1 Mar 2020 17:21:51 +0100 [thread overview] Message-ID: <51cebbbb-3ba4-b336-82a9-abcc22f9a69c@gmail.com> (raw) In-Reply-To: <20200301122112.3847-1-afzal.mohd.ma@gmail.com> Hi Afzal, Arnd, as there is no dedicated tree for EP93xx, could you please consider the below patch for your arm-soc tree? On 01/03/2020 13:21, afzal mohammed wrote: > request_irq() is preferred over setup_irq(). Invocations of setup_irq() > occur after memory allocators are ready. > > Per tglx[1], setup_irq() existed in olden days when allocators were not > ready by the time early interrupts were initialized. > > Hence replace setup_irq() by request_irq(). > > [1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos > > Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com> Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> > --- > Hi sub-arch maintainers, > > If the patch is okay, please take it thr' your tree. > > Regards > afzal > > v3: > * Split out from series, also create subarch level patch as Thomas > suggested to take it thr' respective maintainers > * Modify string displayed in case of error as suggested by Thomas > * Re-arrange code as required to improve readability > * Remove irrelevant parts from commit message & improve > > v2: > * Replace pr_err("request_irq() on %s failed" by > pr_err("%s: request_irq() failed" > * Commit message massage > > arch/arm/mach-ep93xx/timer-ep93xx.c | 14 ++++++-------- > 1 file changed, 6 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c > index de998830f534..dd4b164d1831 100644 > --- a/arch/arm/mach-ep93xx/timer-ep93xx.c > +++ b/arch/arm/mach-ep93xx/timer-ep93xx.c > @@ -117,15 +117,11 @@ static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id) > return IRQ_HANDLED; > } > > -static struct irqaction ep93xx_timer_irq = { > - .name = "ep93xx timer", > - .flags = IRQF_TIMER | IRQF_IRQPOLL, > - .handler = ep93xx_timer_interrupt, > - .dev_id = &ep93xx_clockevent, > -}; > - > void __init ep93xx_timer_init(void) > { > + int irq = IRQ_EP93XX_TIMER3; > + unsigned long flags = IRQF_TIMER | IRQF_IRQPOLL; > + > /* Enable and register clocksource and sched_clock on timer 4 */ > writel(EP93XX_TIMER4_VALUE_HIGH_ENABLE, > EP93XX_TIMER4_VALUE_HIGH); > @@ -136,7 +132,9 @@ void __init ep93xx_timer_init(void) > EP93XX_TIMER4_RATE); > > /* Set up clockevent on timer 3 */ > - setup_irq(IRQ_EP93XX_TIMER3, &ep93xx_timer_irq); > + if (request_irq(irq, ep93xx_timer_interrupt, flags, "ep93xx timer", > + &ep93xx_clockevent)) > + pr_err("Failed to request irq %d (ep93xx timer)\n", irq); > clockevents_config_and_register(&ep93xx_clockevent, > EP93XX_TIMER123_RATE, > 1, >
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Sverdlin <alexander.sverdlin@gmail.com> To: afzal mohammed <afzal.mohd.ma@gmail.com>, Viresh Kumar <viresh.kumar@linaro.org>, Hartley Sweeten <hsweeten@visionengravers.com>, Russell King <linux@armlinux.org.uk>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de> Subject: Re: [PATCH v3] ARM: ep93xx: Replace setup_irq() by request_irq() Date: Sun, 1 Mar 2020 17:21:51 +0100 [thread overview] Message-ID: <51cebbbb-3ba4-b336-82a9-abcc22f9a69c@gmail.com> (raw) In-Reply-To: <20200301122112.3847-1-afzal.mohd.ma@gmail.com> Hi Afzal, Arnd, as there is no dedicated tree for EP93xx, could you please consider the below patch for your arm-soc tree? On 01/03/2020 13:21, afzal mohammed wrote: > request_irq() is preferred over setup_irq(). Invocations of setup_irq() > occur after memory allocators are ready. > > Per tglx[1], setup_irq() existed in olden days when allocators were not > ready by the time early interrupts were initialized. > > Hence replace setup_irq() by request_irq(). > > [1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos > > Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com> Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> > --- > Hi sub-arch maintainers, > > If the patch is okay, please take it thr' your tree. > > Regards > afzal > > v3: > * Split out from series, also create subarch level patch as Thomas > suggested to take it thr' respective maintainers > * Modify string displayed in case of error as suggested by Thomas > * Re-arrange code as required to improve readability > * Remove irrelevant parts from commit message & improve > > v2: > * Replace pr_err("request_irq() on %s failed" by > pr_err("%s: request_irq() failed" > * Commit message massage > > arch/arm/mach-ep93xx/timer-ep93xx.c | 14 ++++++-------- > 1 file changed, 6 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/mach-ep93xx/timer-ep93xx.c b/arch/arm/mach-ep93xx/timer-ep93xx.c > index de998830f534..dd4b164d1831 100644 > --- a/arch/arm/mach-ep93xx/timer-ep93xx.c > +++ b/arch/arm/mach-ep93xx/timer-ep93xx.c > @@ -117,15 +117,11 @@ static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id) > return IRQ_HANDLED; > } > > -static struct irqaction ep93xx_timer_irq = { > - .name = "ep93xx timer", > - .flags = IRQF_TIMER | IRQF_IRQPOLL, > - .handler = ep93xx_timer_interrupt, > - .dev_id = &ep93xx_clockevent, > -}; > - > void __init ep93xx_timer_init(void) > { > + int irq = IRQ_EP93XX_TIMER3; > + unsigned long flags = IRQF_TIMER | IRQF_IRQPOLL; > + > /* Enable and register clocksource and sched_clock on timer 4 */ > writel(EP93XX_TIMER4_VALUE_HIGH_ENABLE, > EP93XX_TIMER4_VALUE_HIGH); > @@ -136,7 +132,9 @@ void __init ep93xx_timer_init(void) > EP93XX_TIMER4_RATE); > > /* Set up clockevent on timer 3 */ > - setup_irq(IRQ_EP93XX_TIMER3, &ep93xx_timer_irq); > + if (request_irq(irq, ep93xx_timer_interrupt, flags, "ep93xx timer", > + &ep93xx_clockevent)) > + pr_err("Failed to request irq %d (ep93xx timer)\n", irq); > clockevents_config_and_register(&ep93xx_clockevent, > EP93XX_TIMER123_RATE, > 1, > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-01 16:24 UTC|newest] Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-01 12:21 [PATCH v3] ARM: ep93xx: Replace setup_irq() by request_irq() afzal mohammed 2020-03-01 12:21 ` afzal mohammed 2020-03-01 16:21 ` Alexander Sverdlin [this message] 2020-03-01 16:21 ` Alexander Sverdlin -- strict thread matches above, loose matches on Subject: below -- 2020-03-01 12:23 [PATCH v3] ARM: orion: replace " afzal mohammed 2020-03-01 12:23 ` afzal mohammed 2020-03-01 15:44 ` Andrew Lunn 2020-03-01 15:44 ` Andrew Lunn 2020-03-08 14:37 ` afzal mohammed 2020-03-08 14:37 ` afzal mohammed 2020-03-09 16:17 ` Gregory CLEMENT 2020-03-09 16:17 ` Gregory CLEMENT 2020-03-13 20:39 ` Gregory CLEMENT 2020-03-13 20:39 ` Gregory CLEMENT 2020-03-01 12:23 [PATCH v3] ARM: spear: " afzal mohammed 2020-03-01 12:23 ` afzal mohammed 2020-03-02 3:17 ` Viresh Kumar 2020-03-02 3:17 ` Viresh Kumar 2020-03-01 12:22 [PATCH v3] ARM: mmp: " afzal mohammed 2020-03-01 12:22 ` afzal mohammed 2020-03-08 14:53 ` afzal mohammed 2020-03-08 14:53 ` afzal mohammed 2020-03-08 16:19 ` Lubomir Rintel 2020-03-01 12:22 ` [PATCH v3] ARM: iop32x: " afzal mohammed 2020-03-01 12:22 ` afzal mohammed 2020-03-09 12:19 ` [PATCH v3] ARM: mmp: " afzal mohammed 2020-03-09 12:19 ` afzal mohammed 2020-03-01 12:19 [PATCH v3] ARM: OMAP: " afzal mohammed 2020-03-01 12:19 ` afzal mohammed 2020-03-04 16:34 ` Tony Lindgren 2020-03-04 16:34 ` Tony Lindgren 2020-03-13 15:45 ` [PATCH v3] ARM: " afzal mohammed 2020-03-13 15:45 ` afzal mohammed 2020-03-17 4:37 ` afzal mohammed 2020-03-17 4:37 ` afzal mohammed 2020-03-25 11:43 ` afzal mohammed 2020-03-25 11:43 ` afzal mohammed 2020-03-27 10:46 ` afzal mohammed 2020-03-27 10:46 ` afzal mohammed 2020-03-27 10:55 ` Arnd Bergmann 2020-03-27 10:55 ` Arnd Bergmann 2020-03-27 11:10 ` afzal mohammed 2020-03-27 11:10 ` afzal mohammed 2020-03-27 11:29 ` afzal mohammed 2020-03-27 11:29 ` afzal mohammed 2020-03-27 11:58 ` Arnd Bergmann 2020-03-27 11:58 ` Arnd Bergmann 2020-03-27 12:41 ` [PATCH v4 1/5] ARM: ep93xx: Replace " afzal mohammed 2020-03-27 12:41 ` afzal mohammed 2020-03-27 12:44 ` [PATCH v4 2/5] ARM: spear: replace " afzal mohammed 2020-03-27 12:44 ` afzal mohammed 2020-03-27 12:44 ` [PATCH v4 3/5] ARM: cns3xxx: " afzal mohammed 2020-03-27 12:44 ` afzal mohammed 2020-03-27 12:44 ` [PATCH v4 4/5] ARM: mmp: " afzal mohammed 2020-03-27 12:44 ` afzal mohammed 2020-03-27 12:44 ` [PATCH v4 5/5] ARM: iop32x: " afzal mohammed 2020-03-27 12:44 ` afzal mohammed 2020-03-27 12:53 ` [PATCH v3] ARM: " afzal mohammed 2020-03-27 12:53 ` afzal mohammed
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