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[ARM] Shut up gcc warning in assabet.c

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assabet.c:291: warning: 'scr' may be used uninitialized in this function

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Russell King 2005-11-21 17:01:13 +00:00 • committed by Russell King
commit 2f3eca8b4f
1 changed files with 2 additions and 1 deletions
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3
arch/arm/mach-sa1100/assabet.c
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@ -293,7 +293,8 @@ static void __init get_assabet_scr(void)
GPDR |= 0x3fc; /* Configure GPIO 9:2 as outputs */
GPSR = 0x3fc; /* Write 0xFF to GPIO 9:2 */
GPDR &= ~(0x3fc); /* Configure GPIO 9:2 as inputs */
for(i = 100; i--; scr = GPLR); /* Read GPIO 9:2 */
for(i = 100; i--; ) /* Read GPIO 9:2 */
scr = GPLR;
GPDR |= 0x3fc; /* restore correct pin direction */
scr &= 0x3fc; /* save as system configuration byte. */
SCR_value = scr;