From: M.Mann@arkona-technologies•de (Matthias Mann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] pci: designware: fix missing msi irqs
Date: Fri, 13 Dec 2013 09:42:35 +0100 [thread overview]
Message-ID: <52AAC87B.6000007@arkona-technologies.de> (raw)
In-Reply-To: <52AA0EB2.2070701@arkona-technologies.de>
Am 12.12.2013 20:29, schrieb Matthias Mann:
> Am 12.12.2013 19:29, schrieb Harro Haan:
>> The interrupts were cleared after the irq handler was called.
>> This means that new interrupts that occur after the handler handled
>> the previous irq but before the interrupt is cleared will be missed.
>
> I discovered the same issue today. I'll test that patch tomorrow.
>
I tested this patch on our custom i.MX6 board with an Altera FPGA as PCIe
device and it fixed the missed MSI interrupts.
Tested-by: Matthias Mann <m.mann@arkona-technologies•de>
Regards
Matthias Mann
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Matthias Mann
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next prev parent reply other threads:[~2013-12-13 8:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 18:29 [PATCH] pci: designware: fix missing msi irqs Harro Haan
2013-12-12 19:29 ` Matthias Mann
2013-12-13 8:42 ` Matthias Mann [this message]
2013-12-12 22:01 ` Marek Vasut
2013-12-16 0:54 ` Jingoo Han
2013-12-16 6:48 ` Mohit KUMAR DCG
2013-12-20 2:41 ` Jingoo Han
2013-12-20 16:09 ` Bjorn Helgaas
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