From: Matthias Mann <M.Mann@arkona-technologies.de>
To: Matthias Mann <m.mann@arkona-technologies.de>
Cc: Harro Haan <hrhaan@gmail.com>, Mohit Kumar <mohit.kumar@st.com>,
Jingoo Han <jg1.han@samsung.com>, Marek Vasut <marex@denx.de>,
Pratyush Anand <pratyush.anand@st.com>,
Arnd Bergmann <arnd@arndb.de>,
Siva Reddy Kallam <siva.kallam@samsung.com>,
Richard Zhu <hong-xing.zhu@freescale.com>,
linux-pci@vger.kernel.org, Tim Harvey <tharvey@gateworks.com>,
Srikanth T Shivanand <ts.srikanth@samsung.com>,
Bjorn Helgaas <bhelgaas@google.com>, Sean Cross <xobs@kosagi.com>,
Shawn Guo <shawn.guo@linaro.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [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
--
Matthias Mann
Research & Development
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next prev parent reply other threads:[~2013-12-13 8:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20131212182903.409515738@gmail.com>
2013-12-12 19:29 ` [PATCH] pci: designware: fix missing msi irqs 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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