linux-kernel - Re: [PATCH v13 7/9] ACPI: Translate the I/O range of non-MMIO devices before scanning

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Date:   Thu, 15 Feb 2018 12:52:26 +0000
From:   John Garry <john.garry@...wei.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Arnd Bergmann" <arnd@...db.de>,
        Mark Rutland <mark.rutland@....com>,
        Olof Johansson <olof@...om.net>,
        Dann Frazier <dann.frazier@...onical.com>,
        Rob Herring <robh@...nel.org>, Joe Perches <joe@...ches.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        <linux-pci@...r.kernel.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linuxarm <linuxarm@...wei.com>, Corey Minyard <minyard@....org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [PATCH v13 7/9] ACPI: Translate the I/O range of non-MMIO devices
 before scanning

On 15/02/2018 12:22, Andy Shevchenko wrote:
> On Thu, Feb 15, 2018 at 1:19 PM, John Garry <john.garry@...wei.com> wrote:
>

Hi Andy,

>> +static const struct acpi_device_id indirect_io_hosts[] = {
>> +    {"HISI0191", 0},    /* HiSilicon LPC host */
>> +    {},
>
> Just a nit.
>

I noticed that I have this in the LLDD also. I think that this may be a 
force of habit.

> It seems lately this happens more often than usual, I mean a comma in
> the terminator line.
>
> If we remove it. we terminate not only at runtime, but at compile
> time, which is slightly better.

I grepped for "{}," in the drivers folder and it gives many results (I 
do accept that some are not sentinels):
 >grep -R "{}," * | tail
watchdog/gef_wdt.c:    {},
watchdog/asm9260_wdt.c:    {},
watchdog/bcm2835_wdt.c:    {},
watchdog/digicolor_wdt.c:    {},
watchdog/bcm7038_wdt.c:    {},
watchdog/ath79_wdt.c:    {},
watchdog/riowd.c:    {},
watchdog/sbsa_gwdt.c:    {},
watchdog/sbsa_gwdt.c:    {},
watchdog/bcm_kona_wdt.c:    {},

Much appreciated,
John