Re: [PATCH 0/4] serial: omap: robustify for high speed transfers

From	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/4] serial: omap: robustify for high speed transfers
Date	2016-02-24 16:50 +0100
Message-ID	<r5JRo-6CT-13@gated-at.bofh.it> (permalink)
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On 02/24/2016 04:37 PM, Sekhar Nori wrote:
> I don't see the error interrupt count in /proc/interrupts go up although
> the code is returning IRQ_NONE when this happens. I initially thought
> that must be because of the interrupt being IRQF_SHARED. But getting rid
> of IRQF_SHARED still does not lead to error count going up. I need to
> spend some more time to see what is going on.

that error counter goes up if the interrupt controller can not find an
interrupt number. That means a HW interrupt was raised but after
checking the interrupt source (by the GIC) there is none. In this case
we have one: the UART.

> Regards,
> Sekhar

Sebastian

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Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Sekhar Nori <nsekhar@ti.com> - 2016-02-23 11:10 +0100
  Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-02-23 13:50 +0100
    Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-02-23 18:00 +0100
  Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Peter Hurley <peter@hurleysoftware.com> - 2016-02-24 04:30 +0100
    Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Sekhar Nori <nsekhar@ti.com> - 2016-02-24 16:40 +0100
      Re: [PATCH 0/4] serial: omap: robustify for high speed transfers Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-02-24 16:50 +0100

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