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mips: ath79: ar933x: Avoid warning with gcc5

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GCC 5.3 report a warning: 'upper' and 'lower' may be used
uninitialized in this function [-Wmaybe-uninitialized].
Compiler might need explicit initializer.

Signed-off-by: Wills Wang <wills.wang@live.com>
This commit is contained in:
Wills Wang 2016-05-22 11:59:49 +08:00 committed by Daniel Schwierzeck
parent 42a3f3e6eb
commit 4349b55b99
1 changed files with 2 additions and 0 deletions
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arch/mips/mach-ath79/ar933x/ddr.c
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@ -268,6 +268,8 @@ void ddr_tap_tuning(void)
dir = 1;
tap = readl(regs + AR71XX_DDR_REG_TAP_CTRL0);
val = tap;
upper = tap;
lower = tap;
while (!done) {
err = 0;