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sgiioc4: remove maskproc() method

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Since the maskproc() method calls either mirror the interrupt en/disable via
the nIEN bit of the device control register done by the IDE core before issuing
a command or unmask the interrupt after a command executed in polled mode (when
interrupt is already not expected), it is pointless to implement this method
by manipulating the nIEN bit...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov 2008-10-17 18:09:16 +02:00 committed by Bartlomiej Zolnierkiewicz
parent ea2ac5a3b7
commit ea656980f4
1 changed files with 0 additions and 9 deletions
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9
drivers/ide/pci/sgiioc4.c
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@ -108,13 +108,6 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
hw->io_ports.irq_addr = irq_port;
}
static void
sgiioc4_maskproc(ide_drive_t * drive, int mask)
{
writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
(void __iomem *)drive->hwif->io_ports.ctl_addr);
}
static int
sgiioc4_checkirq(ide_hwif_t * hwif)
{
@ -563,8 +556,6 @@ static const struct ide_port_ops sgiioc4_port_ops = {
.set_dma_mode = sgiioc4_set_dma_mode,
/* reset DMA engine, clear IRQs */
.resetproc = sgiioc4_resetproc,
/* mask on/off NIEN register */
.maskproc = sgiioc4_maskproc,
};
static const struct ide_dma_ops sgiioc4_dma_ops = {