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powerpc: remove set but not used variable 'force_printk_to_btext' 

Fixes gcc '-Wunused-but-set-variable' warning:

arch/powerpc/kernel/btext.c:49:12: error: 'force_printk_to_btext'
defined but not used.

It is never used, and so can be removed.

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/20210408011801.557004-2-yukuai3@huawei.com
This commit is contained in:
Yu Kuai 2021-04-08 09:18:00 +08:00 committed by Michael Ellerman
parent 701c31672a
commit b396dd3d80
1 changed files with 0 additions and 1 deletions
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arch/powerpc/kernel/btext.c
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@ -46,7 +46,6 @@ unsigned long disp_BAT[2] __initdata = {0, 0};
static unsigned char vga_font[cmapsz];
int boot_text_mapped __force_data = 0;
int force_printk_to_btext = 0;
extern void rmci_on(void);
extern void rmci_off(void);