linux-kernel - [PATCH 5.10 087/102] parisc/stifb: Fix fb_is_primary_device() only available with CONFIG_FB

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Date:   Mon, 27 Jun 2022 13:21:38 +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, Helge Deller <deller@....de>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH 5.10 087/102] parisc/stifb: Fix fb_is_primary_device() only available with CONFIG_FB_STI

From: Helge Deller <deller@....de>

commit 1d0811b03eb30b2f0793acaa96c6ce90b8b9c87a upstream.

Fix this build error noticed by the kernel test robot:

drivers/video/console/sticore.c:1132:5: error: redefinition of 'fb_is_primary_device'
 arch/parisc/include/asm/fb.h:18:19: note: previous definition of 'fb_is_primary_device'

Signed-off-by: Helge Deller <deller@....de>
Reported-by: kernel test robot <lkp@...el.com>
Cc: stable@...r.kernel.org   # v5.10+
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/parisc/include/asm/fb.h    |    2 +-
 drivers/video/console/sticore.c |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/arch/parisc/include/asm/fb.h
+++ b/arch/parisc/include/asm/fb.h
@@ -12,7 +12,7 @@ static inline void fb_pgprotect(struct f
 	pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
 }
 
-#if defined(CONFIG_STI_CONSOLE) || defined(CONFIG_FB_STI)
+#if defined(CONFIG_FB_STI)
 int fb_is_primary_device(struct fb_info *info);
 #else
 static inline int fb_is_primary_device(struct fb_info *info)
--- a/drivers/video/console/sticore.c
+++ b/drivers/video/console/sticore.c
@@ -1127,6 +1127,7 @@ int sti_call(const struct sti_struct *st
 	return ret;
 }
 
+#if defined(CONFIG_FB_STI)
 /* check if given fb_info is the primary device */
 int fb_is_primary_device(struct fb_info *info)
 {
@@ -1142,6 +1143,7 @@ int fb_is_primary_device(struct fb_info
 	return (sti->info == info);
 }
 EXPORT_SYMBOL(fb_is_primary_device);
+#endif
 
 MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer");
 MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines");