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oxnas: sata_oxnas: make irq handler more readable 

safed one level of indention by using 'continue' instead of a
lengthy if-clause.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
v2: use logic-AND instead of '?' operator when checking for hw bug 6320

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43768 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2014-12-22 20:47:10 +00:00
parent 3230566326
commit d1f285d96c
1 changed files with 13 additions and 12 deletions
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15
target/linux/oxnas/files/drivers/ata/sata_oxnas.c
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@ -2041,7 +2041,7 @@ int sata_oxnas_init_controller(struct ata_host *host)
*
* @param port SATA port to check and if necessary, correct.
*/
static int sata_oxnas_bug_6320_workaround(struct ata_port *ap)
static int sata_oxnas_bug_6320_detect(struct ata_port *ap)
{
struct sata_oxnas_port_priv *pd = ap->private_data;
void __iomem *core_base = pd->core_base;
@ -2175,19 +2175,20 @@ static irqreturn_t sata_oxnas_interrupt(int irq, void *dev_instance)
/* check the raw end of command interrupt to see if the
* port is done */
mask = (COREINT_END << port_no);
if (int_status & mask) {
if (!(int_status & mask))
continue;
/* this port had an interrupt, clear it */
iowrite32(mask, core_base + CORE_INT_CLEAR);
bug_present =
(hd->current_ucode == UNKNOWN_MODE) ?
sata_oxnas_bug_6320_workaround(
ah->ports[port_no]):0;
/* check for bug 6320 only if no microcode was loaded */
bug_present = (hd->current_ucode == UNKNOWN_MODE) &&
sata_oxnas_bug_6320_detect(ah->ports[port_no]);
sata_oxnas_port_irq(ah->ports[port_no],
bug_present);
ret = IRQ_HANDLED;
}
}
}
return ret;
}