From: afzal mohammed <afzal.mohd.ma@gmail.com> To: Viresh Kumar <viresh.kumar@linaro.org>, Lubomir Rintel <lkundrak@v3.sk>, Russell King <linux@armlinux.org.uk>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Enrico Weigelt <info@metux.net>, Kate Stewart <kstewart@linuxfoundation.org>, Thomas Gleixner <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: afzal mohammed <afzal.mohd.ma@gmail.com> Subject: [PATCH v3] ARM: mmp: replace setup_irq() by request_irq() Date: Sun, 1 Mar 2020 17:52:41 +0530 [thread overview] Message-ID: <20200301122243.4129-1-afzal.mohd.ma@gmail.com> (raw) 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> --- Hi sub-arch maintainers, If the patch is okay, please take it thr' your tree. Regards afzal v3: * Split out from series, also split out from ARM patch to subarch level 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-mmp/time.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c index c65cfc1ad99b..049a65f47b42 100644 --- a/arch/arm/mach-mmp/time.c +++ b/arch/arm/mach-mmp/time.c @@ -175,13 +175,6 @@ static void __init timer_config(void) __raw_writel(0x2, mmp_timer_base + TMR_CER); } -static struct irqaction timer_irq = { - .name = "timer", - .flags = IRQF_TIMER | IRQF_IRQPOLL, - .handler = timer_interrupt, - .dev_id = &ckevt, -}; - void __init mmp_timer_init(int irq, unsigned long rate) { timer_config(); @@ -190,7 +183,9 @@ void __init mmp_timer_init(int irq, unsigned long rate) ckevt.cpumask = cpumask_of(0); - setup_irq(irq, &timer_irq); + if (request_irq(irq, timer_interrupt, IRQF_TIMER | IRQF_IRQPOLL, + "timer", &ckevt)) + pr_err("Failed to request irq %d (timer)\n", irq); clocksource_register_hz(&cksrc, rate); clockevents_config_and_register(&ckevt, rate, MIN_DELTA, MAX_DELTA); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: afzal mohammed <afzal.mohd.ma@gmail.com> To: Viresh Kumar <viresh.kumar@linaro.org>, Lubomir Rintel <lkundrak@v3.sk>, Russell King <linux@armlinux.org.uk>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Enrico Weigelt <info@metux.net>, Kate Stewart <kstewart@linuxfoundation.org>, Thomas Gleixner <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: afzal mohammed <afzal.mohd.ma@gmail.com> Subject: [PATCH v3] ARM: mmp: replace setup_irq() by request_irq() Date: Sun, 1 Mar 2020 17:52:41 +0530 [thread overview] Message-ID: <20200301122243.4129-1-afzal.mohd.ma@gmail.com> (raw) 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> --- Hi sub-arch maintainers, If the patch is okay, please take it thr' your tree. Regards afzal v3: * Split out from series, also split out from ARM patch to subarch level 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-mmp/time.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c index c65cfc1ad99b..049a65f47b42 100644 --- a/arch/arm/mach-mmp/time.c +++ b/arch/arm/mach-mmp/time.c @@ -175,13 +175,6 @@ static void __init timer_config(void) __raw_writel(0x2, mmp_timer_base + TMR_CER); } -static struct irqaction timer_irq = { - .name = "timer", - .flags = IRQF_TIMER | IRQF_IRQPOLL, - .handler = timer_interrupt, - .dev_id = &ckevt, -}; - void __init mmp_timer_init(int irq, unsigned long rate) { timer_config(); @@ -190,7 +183,9 @@ void __init mmp_timer_init(int irq, unsigned long rate) ckevt.cpumask = cpumask_of(0); - setup_irq(irq, &timer_irq); + if (request_irq(irq, timer_interrupt, IRQF_TIMER | IRQF_IRQPOLL, + "timer", &ckevt)) + pr_err("Failed to request irq %d (timer)\n", irq); clocksource_register_hz(&cksrc, rate); clockevents_config_and_register(&ckevt, rate, MIN_DELTA, MAX_DELTA); -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-03-01 12:22 UTC|newest] Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-01 12:22 afzal mohammed [this message] 2020-03-01 12:22 ` [PATCH v3] ARM: mmp: replace setup_irq() by request_irq() 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 -- strict thread matches above, loose matches on Subject: below -- 2020-03-01 12:23 [PATCH v3] ARM: orion: " 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 12:21 [PATCH v3] ARM: ep93xx: Replace " afzal mohammed 2020-03-01 12:21 ` afzal mohammed 2020-03-01 16:21 ` Alexander Sverdlin 2020-03-01 16:21 ` Alexander Sverdlin 2020-03-01 12:19 [PATCH v3] ARM: OMAP: replace " 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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