linux-kernel - [PATCH 3.18 012/124] char: Drop bogus dependency of DEVPORT on !M68K

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Message-Id: <20170420063557.486091565@linuxfoundation.org>
Date:   Thu, 20 Apr 2017 08:34:47 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Geert Uytterhoeven <geert@...ux-m68k.org>,
        Al Stone <ahs3@...hat.com>
Subject: [PATCH 3.18 012/124] char: Drop bogus dependency of DEVPORT on !M68K

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Geert Uytterhoeven <geert@...ux-m68k.org>

commit 309124e2648d668a0c23539c5078815660a4a850 upstream.

According to full-history-linux commit d3794f4fa7c3edc3 ("[PATCH] M68k
update (part 25)"), port operations are allowed on m68k if CONFIG_ISA is
defined.

However, commit 153dcc54df826d2f ("[PATCH] mem driver: fix conditional
on isa i/o support") accidentally changed an "||" into an "&&",
disabling it completely on m68k. This logic was retained when
introducing the DEVPORT symbol in commit 4f911d64e04a44c4 ("Make
/dev/port conditional on config symbol").

Drop the bogus dependency on !M68K to fix this.

Fixes: 153dcc54df826d2f ("[PATCH] mem driver: fix conditional on isa i/o support")
Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Tested-by: Al Stone <ahs3@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/char/Kconfig |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -575,7 +575,6 @@ config TELCLOCK

 config DEVPORT
 	bool
-	depends on !M68K
 	depends on ISA || PCI
 	default y