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davinci: psc: simplify if-statement

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A common do-while loop can be factored out from the end of
the branches.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Nicolas Kaiser 2010-10-25 14:41:18 +02:00 • committed by Kevin Hilman
parent ced98628bf
commit 1a07bfb521
1 changed files with 4 additions and 9 deletions
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13
arch/arm/mach-davinci/psc.c
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@ -83,20 +83,15 @@ void davinci_psc_config(unsigned int domain, unsigned int ctlr,
pdctl1 = __raw_readl(psc_base + PDCTL1);
pdctl1 |= 0x100;
__raw_writel(pdctl1, psc_base + PDCTL1);
do {
ptstat = __raw_readl(psc_base +
PTSTAT);
} while (!(((ptstat >> domain) & 1) == 0));
} else {
ptcmd = 1 << domain;
__raw_writel(ptcmd, psc_base + PTCMD);
do {
ptstat = __raw_readl(psc_base + PTSTAT);
} while (!(((ptstat >> domain) & 1) == 0));
}
do {
ptstat = __raw_readl(psc_base + PTSTAT);
} while (!(((ptstat >> domain) & 1) == 0));
do {
mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
} while (!((mdstat & MDSTAT_STATE_MASK) == next_state));