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yaml
---
r: 147918
b: refs/heads/master
c: dff8817
h: refs/heads/master
v: v3
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Bartlomiej Zolnierkiewicz committed Jun 7, 2009
1 parent f75d3dc commit d20e599
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Showing 2 changed files with 5 additions and 61 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 49d8078ad1c3dca5b11ce18391bf6bd9af9acdf5
refs/heads/master: dff8817b78e6e6a4913f2caf7637d62dcc49a03c
64 changes: 4 additions & 60 deletions trunk/drivers/ide/icside.c
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,6 @@ static struct cardinfo icside_cardinfo_v6_2 = {
};

struct icside_state {
unsigned int channel;
unsigned int enabled;
void __iomem *irq_port;
void __iomem *ioc_base;
unsigned int sel;
Expand Down Expand Up @@ -116,18 +114,11 @@ static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr)
struct icside_state *state = ec->irq_data;
void __iomem *base = state->irq_port;

state->enabled = 1;
writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
readb(base + ICS_ARCIN_V6_INTROFFSET_2);

switch (state->channel) {
case 0:
writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
readb(base + ICS_ARCIN_V6_INTROFFSET_2);
break;
case 1:
writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
readb(base + ICS_ARCIN_V6_INTROFFSET_1);
break;
}
writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
readb(base + ICS_ARCIN_V6_INTROFFSET_1);
}

/* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
Expand All @@ -137,8 +128,6 @@ static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
{
struct icside_state *state = ec->irq_data;

state->enabled = 0;

readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
}
Expand All @@ -160,44 +149,6 @@ static const expansioncard_ops_t icside_ops_arcin_v6 = {
.irqpending = icside_irqpending_arcin_v6,
};

/*
* Handle routing of interrupts. This is called before
* we write the command to the drive.
*/
static void icside_maskproc(ide_drive_t *drive, int mask)
{
ide_hwif_t *hwif = drive->hwif;
struct expansion_card *ec = ECARD_DEV(hwif->dev);
struct icside_state *state = ecard_get_drvdata(ec);
unsigned long flags;

local_irq_save(flags);

state->channel = hwif->channel;

if (state->enabled && !mask) {
switch (hwif->channel) {
case 0:
writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
break;
case 1:
writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
break;
}
} else {
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
}

local_irq_restore(flags);
}

static const struct ide_port_ops icside_v6_no_dma_port_ops = {
.maskproc = icside_maskproc,
};

#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
/*
* SG-DMA support.
Expand Down Expand Up @@ -275,7 +226,6 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)

static const struct ide_port_ops icside_v6_port_ops = {
.set_dma_mode = icside_set_dma_mode,
.maskproc = icside_maskproc,
};

static void icside_dma_host_set(ide_drive_t *drive, int on)
Expand Down Expand Up @@ -319,11 +269,6 @@ static int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
*/
BUG_ON(dma_channel_active(ec->dma));

/*
* Ensure that we have the right interrupt routed.
*/
icside_maskproc(drive, 0);

/*
* Route the DMA signals to the correct interface.
*/
Expand Down Expand Up @@ -452,7 +397,6 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)

static const struct ide_port_info icside_v6_port_info __initdata = {
.init_dma = icside_dma_off_init,
.port_ops = &icside_v6_no_dma_port_ops,
.dma_ops = &icside_v6_dma_ops,
.host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
.mwdma_mask = ATA_MWDMA2,
Expand Down

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