linux-kernel - [PATCH] m68k: /proc/hardware depends on PROC

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Message-Id: <20230209010825.24136-1-rdunlap@infradead.org>
Date:   Wed,  8 Feb 2023 17:08:25 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, uclinux-dev@...inux.org
Subject: [PATCH] m68k: /proc/hardware depends on PROC_FS

When CONFIG_PROC_FS is not set, there is a build error for an unused
function. Make PROC_HARDWARE depend on PROC_FS to prevent this error.

In file included from ../arch/m68k/kernel/setup.c:3:
../arch/m68k/kernel/setup_mm.c:477:12: error: 'hardware_proc_show' defined but not used [-Werror=unused-function]
  477 | static int hardware_proc_show(struct seq_file *m, void *v)
      |            ^~~~~~~~~~~~~~~~~~

Fixes: 66d857b08b8c ("m68k: merge m68k and m68knommu arch directories") # v3.0
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Greg Ungerer <gerg@...ux-m68k.org>
Cc: linux-m68k@...ts.linux-m68k.org
Cc: uclinux-dev@...inux.org
---
 arch/m68k/Kconfig.devices |    1 +
 1 file changed, 1 insertion(+)

diff -- a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -18,6 +18,7 @@ config HEARTBEAT
 
 # We have a dedicated heartbeat LED. :-)
 config PROC_HARDWARE
+	depends on PROC_FS
 	bool "/proc/hardware support"
 	help
 	  Say Y here to support the /proc/hardware file, which gives you