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powerpc/powermac: Remove variable x that's never read

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Since the value of x is never intended to be read, remove it. Fix
warning treated as error with W=1:

  arch/powerpc/platforms/powermac/udbg_scc.c:76:9: error: variable ‘x’ set but not used

Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Mathieu Malaterre 2018-03-28 21:30:28 +02:00 committed by Michael Ellerman
parent e4ecafb14f
commit 8921305c1e
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/platforms/powermac/udbg_scc.c
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@ -73,7 +73,7 @@ void udbg_scc_init(int force_scc)
struct device_node *stdout = NULL, *escc = NULL, *macio = NULL;
struct device_node *ch, *ch_def = NULL, *ch_a = NULL;
const char *path;
int i, x;
int i;
escc = of_find_node_by_name(NULL, "escc");
if (escc == NULL)
@ -120,7 +120,7 @@ void udbg_scc_init(int force_scc)
mb();
for (i = 20000; i != 0; --i)
x = in_8(sccc);
in_8(sccc);
out_8(sccc, 0x09); /* reset A or B side */
out_8(sccc, 0xc0);