linux-kernel - Re: [PATCH 1/1] fbdev: add HAS

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Date: Wed, 10 Apr 2024 10:39:11 +0200
From: Niklas Schnelle <schnelle@...ux.ibm.com>
To: Helge Deller <deller@....de>
Cc: linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Arnd
 Bergmann <arnd@...nel.org>, Heiko Carstens <hca@...ux.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] fbdev: add HAS_IOPORT dependencies

On Wed, 2024-04-10 at 10:27 +0200, Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will disable inb()/outb() and friends at
> compile time. We thus need to add HAS_IOPORT as dependency for those
> drivers using them.
> 
> Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Arnd Bergmann <arnd@...nel.org>
> Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> ---
> Note: This patch does not depend any not-yet-mainline HAS_IOPORT changes
> and may be merged via subsystem specific trees at your earliest
> convenience.
> 
>  drivers/video/fbdev/Kconfig | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)

Sorry, I just noticed that one of the fbdev Kconfig changes slipped
into my patch for video. This one is missing the below hunk and I'll
send a v2.

diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index f90b191dc68b..76bbfd3767da 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -245,7 +245,7 @@ config FB_FM2
 
 config FB_ARC
 	tristate "Arc Monochrome LCD board support"
-	depends on FB && (X86 || COMPILE_TEST)
+	depends on FB && HAS_IOPORT && (X86 || COMPILE_TEST)
 	select FB_SYSMEM_HELPERS_DEFERRED
 	help
 	  This enables support for the Arc Monochrome LCD board. The board