powerpc: make 'boot_text_mapped' static

The sparse tool complains as follow:

arch/powerpc/kernel/btext.c:48:5: warning:
 symbol 'boot_text_mapped' was not declared. Should it be static?

This symbol is not used outside of btext.c, so this commit make
it static.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210408011801.557004-3-yukuai3@huawei.com

diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
index 40b386b9675463c8e70737710fd43ba77db600ea..5ff1b5e805f6f3251a1b483a5f69060186c34adc 100644 (file)
--- a/arch/powerpc/kernel/btext.c
+++ b/arch/powerpc/kernel/btext.c
@@ -45,7 +45,7 @@ unsigned long disp_BAT[2] __initdata = {0, 0};
 
 static unsigned char vga_font[cmapsz];
 
-int boot_text_mapped __force_data = 0;
+static int boot_text_mapped __force_data;
 
 extern void rmci_on(void);
 extern void rmci_off(void);