diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 09:29:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 09:29:42 -0700 |
commit | d614aec4752f8c61b2e7cb77806b6bd59aa50836 (patch) | |
tree | 3b0cfb3085c43415931dbf18666d582fb8ae3c75 /drivers/ide/icside.c | |
parent | db8e7f10ed67933ca272f4030eb7057b7f13de07 (diff) | |
parent | ad7c52d0988a8965989dc06d630c52a5bde849d5 (diff) |
Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (29 commits)
ide: re-implement ide_pci_init_one() on top of ide_pci_init_two()
ide: unexport ide_find_dma_mode()
ide: fix PowerMac bootup oops
ide: skip probe if there are no devices on the port (v2)
sl82c105: add printk() logging facility
ide-tape: fix proc warning
ide: add IDE_DFLAG_NIEN_QUIRK device flag
ide: respect quirk_drives[] list on all controllers
hpt366: enable all quirks for devices on quirk_drives[] list
hpt366: sync quirk_drives[] list with pdc202xx_{new,old}.c
ide: remove superfluous SELECT_MASK() call from do_rw_taskfile()
ide: remove superfluous SELECT_MASK() call from ide_driveid_update()
icside: remove superfluous ->maskproc method
ide-tape: fix IDE_AFLAG_* atomic accesses
ide-tape: change IDE_AFLAG_IGNORE_DSC non-atomically
pdc202xx_old: kill resetproc() method
pdc202xx_old: don't call pdc202xx_reset() on IRQ timeout
pdc202xx_old: use ide_dma_test_irq()
ide: preserve Host Protected Area by default (v2)
ide-gd: implement block device ->set_capacity method (v2)
...
Diffstat (limited to 'drivers/ide/icside.c')
-rw-r--r-- | drivers/ide/icside.c | 77 |
1 files changed, 11 insertions, 66 deletions
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 36da913cc55..5af3d0ffaf0 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -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; @@ -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) @@ -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); } @@ -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. @@ -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) @@ -320,11 +270,6 @@ 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. */ writeb(state->sel | hwif->channel, state->ioc_base); @@ -381,7 +326,7 @@ static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) return -EOPNOTSUPP; } -static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, +static void icside_setup_ports(struct ide_hw *hw, void __iomem *base, struct cardinfo *info, struct expansion_card *ec) { unsigned long port = (unsigned long)base + info->dataoffset; @@ -398,11 +343,11 @@ static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, hw->irq = ec->irq; hw->dev = &ec->dev; - hw->chipset = ide_acorn; } static const struct ide_port_info icside_v5_port_info = { .host_flags = IDE_HFLAG_NO_DMA, + .chipset = ide_acorn, }; static int __devinit @@ -410,7 +355,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) { void __iomem *base; struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + struct ide_hw hw, *hws[] = { &hw }; int ret; base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); @@ -431,7 +376,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); - host = ide_host_alloc(&icside_v5_port_info, hws); + host = ide_host_alloc(&icside_v5_port_info, hws, 1); if (host == NULL) return -ENODEV; @@ -452,11 +397,11 @@ err_free: 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, .swdma_mask = ATA_SWDMA2, + .chipset = ide_acorn, }; static int __devinit @@ -466,7 +411,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) struct ide_host *host; unsigned int sel = 0; int ret; - hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1], NULL, NULL }; + struct ide_hw hw[2], *hws[] = { &hw[0], &hw[1] }; struct ide_port_info d = icside_v6_port_info; ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); @@ -506,7 +451,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); - host = ide_host_alloc(&d, hws); + host = ide_host_alloc(&d, hws, 2); if (host == NULL) return -ENODEV; |