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Message-Id: <0780a0dd-be67-45a0-bec9-70458a75e823@app.fastmail.com>
Date: Tue, 28 May 2024 08:28:40 -0400
From: "Mark Pearson" <mpearson-lenovo@...ebb.ca>
To: "Arnd Bergmann" <arnd@...nel.org>,
"Wim Van Sebroeck" <wim@...ux-watchdog.org>,
"Guenter Roeck" <linux@...ck-us.net>, "David Ober" <dober@...ovo.com>
Cc: "Arnd Bergmann" <arnd@...db.de>, "Hans de Goede" <hdegoede@...hat.com>,
linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog: lenovo_se10_wdt: add HAS_IOPORT dependency
Hi Arnd,
On Tue, May 28, 2024, at 8:07 AM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
>
> Once the inb()/outb() helpers become conditional, the newly added driver
> fails to link on targets without CONFIG_HAS_IOPORT:
>
> In file included from arch/arm64/include/asm/io.h:299,
> from include/linux/io.h:14,
> from drivers/watchdog/lenovo_se10_wdt.c:8:
> drivers/watchdog/lenovo_se10_wdt.c: In function 'set_bram':
> include/asm-generic/io.h:596:15: error: call to '_outb' declared with
> attribute error: outb() requires CONFIG_HAS_IOPORT
> 596 | #define _outb _outb
> include/asm-generic/io.h:655:14: note: in expansion of macro '_outb'
> 655 | #define outb _outb
> | ^~~~~
> drivers/watchdog/lenovo_se10_wdt.c:67:9: note: in expansion of macro
> 'outb'
> 67 | outb(offset, bram_base);
> | ^~~~
>
> Add the same dependency we added to the other such drivers.
>
Ah - good catch, and my apologies.
> Fixes: 1f6602c8ed1e ("watchdog: lenovo_se10_wdt: Watchdog driver for
> Lenovo SE10 platform")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> drivers/watchdog/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 5f91921afc79..24ea3b6f95fe 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -257,6 +257,7 @@ config GPIO_WATCHDOG_ARCH_INITCALL
> config LENOVO_SE10_WDT
> tristate "Lenovo SE10 Watchdog"
> depends on (X86 && DMI) || COMPILE_TEST
> + depends on HAS_IOPORT
> select WATCHDOG_CORE
> help
> If you say yes here you get support for the watchdog
> --
> 2.39.2
Looks good to me. Thanks for the fix.
Reviewed-by Mark Pearson <mpearson-lenovo@...ebb.ca>
Mark
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