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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-06 05:34:06 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-06 05:34:06 -1000 |
| commit | 03b5f0c138db46380fa51b36944167bca63eb572 (patch) | |
| tree | 5bb10e005214695362064ec5a9b9d4ae6df9c0a6 | |
| parent | Merge tag 'platform-drivers-x86-v4.17-2' of git://git.infradead.org/linux-platform-drivers-x86 (diff) | |
| parent | irqchip/qcom: Fix check for spurious interrupts (diff) | |
| download | linux-dev-03b5f0c138db46380fa51b36944167bca63eb572.tar.xz linux-dev-03b5f0c138db46380fa51b36944167bca63eb572.zip | |
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A single fix to prevent false positives in the spurious interrupt
detector when more than a single demultiplex register is evaluated in
the Qualcom irq combiner driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/qcom: Fix check for spurious interrupts
| -rw-r--r-- | drivers/irqchip/qcom-irq-combiner.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/qcom-irq-combiner.c b/drivers/irqchip/qcom-irq-combiner.c index f31265937439..7f0c0be322e0 100644 --- a/drivers/irqchip/qcom-irq-combiner.c +++ b/drivers/irqchip/qcom-irq-combiner.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. +/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -68,7 +68,7 @@ static void combiner_handle_irq(struct irq_desc *desc) bit = readl_relaxed(combiner->regs[reg].addr); status = bit & combiner->regs[reg].enabled; - if (!status) + if (bit && !status) pr_warn_ratelimited("Unexpected IRQ on CPU%d: (%08x %08lx %p)\n", smp_processor_id(), bit, combiner->regs[reg].enabled, |