linux-kernel - Re: [PATCH V12 0/3] irqchip: qcom: Add IRQ combiner driver

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Date:   Fri, 3 Feb 2017 18:31:48 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Agustin Vega-Frias <agustinv@...eaurora.org>,
        <linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <rjw@...ysocki.net>,
        <lenb@...nel.org>, <tglx@...utronix.de>, <jason@...edaemon.net>,
        <marc.zyngier@....com>
CC:     <andy.shevchenko@...il.com>, <lorenzo.pieralisi@....com>,
        <timur@...eaurora.org>, <cov@...eaurora.org>,
        <agross@...eaurora.org>, <harba@...eaurora.org>, <jcm@...hat.com>,
        <msalter@...hat.com>, <mlangsdo@...hat.com>, <ahs3@...hat.com>,
        <astone@...hat.com>, <graeme.gregory@...aro.org>,
        <charles.garcia-tobin@....com>
Subject: Re: [PATCH V12 0/3] irqchip: qcom: Add IRQ combiner driver

On 2017/2/3 7:23, Agustin Vega-Frias wrote:
> Add support for IRQ combiners in the Top-level Control and Status
> Registers (TCSR) hardware block in Qualcomm Technologies chips.
>
> The first patch prevents the ACPI core from attempting to map IRQ resources
> with a valid ResourceSource as GSIs.
>
> The second patch adds support for ResourceSource/IRQ domain mapping and
> fixes IRQ probe deferral by allowing platform_device IRQ resources to be
> re-initialized from the corresponding ACPI IRQ resource.
>
> Both changes described above are conditional on the ACPI_GENERIC_GSI config.
>
> The third patch takes advantage of the new capabilities to implement
> the driver for the IRQ combiners.
>
> Tested on top of v4.10-rc6.
>
> Changes V11 -> V12:
> * Remove probe table, add that optimization later.
> * Fix some minor style issues.

For patch [1-2/3], I tested on x86 and IA64 machine, didn't see
regressions in dmesg, and tested them on Hisilicon D03 (ARM64 with
mbigen irqchip which needs this mechanism) , it works fine.

Tested-by: Hanjun Guo <hanjun.guo@...aro.org>
Reviewed-by: Hanjun Guo <hanjun.guo@...aro.org>

Thanks
Hanjun