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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 00:25:23 +0400 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 00:25:23 +0400 |
| commit | 91432f48094db32579776bd0a9d8432b16dc0a09 (patch) | |
| tree | fe9767b5b7e0069db3447231a634954c04e4bb0c /drivers/ide/arm/icside.c | |
| parent | 0d07192297f664afdee36b330ab4fe52a8e38a6a (diff) | |
| download | linux-91432f48094db32579776bd0a9d8432b16dc0a09.tar.xz | |
icside: use ->init_dma method
* Add 'const struct ide_port_info *d' argument to icside_dma_init().
* Make icside_dma_init() return an error value and add icside_dma_off_init()
(->init_dma implementation for case when DMA cannot be enabled).
* Convert the driver to use ->init_dma method.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/arm/icside.c')
| -rw-r--r-- | drivers/ide/arm/icside.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index d7f4c533c45c..9118587a0db8 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -384,7 +384,7 @@ static void icside_dma_lost_irq(ide_drive_t *drive) printk(KERN_ERR "%s: IRQ lost\n", drive->name); } -static void icside_dma_init(ide_hwif_t *hwif) +static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) { hwif->dmatable_cpu = NULL; hwif->dmatable_dma = 0; @@ -397,11 +397,16 @@ static void icside_dma_init(ide_hwif_t *hwif) hwif->ide_dma_test_irq = icside_dma_test_irq; hwif->dma_timeout = icside_dma_timeout; hwif->dma_lost_irq = icside_dma_lost_irq; + + return 0; } -#else -#define icside_dma_init(hwif) (0) #endif +static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) +{ + return -EOPNOTSUPP; +} + static ide_hwif_t * icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec) { @@ -468,9 +473,9 @@ 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, .host_flags = IDE_HFLAG_SERIALIZE | - IDE_HFLAG_NO_DMA | /* no SFF-style DMA */ IDE_HFLAG_NO_AUTOTUNE, .mwdma_mask = ATA_MWDMA2, .swdma_mask = ATA_SWDMA2, @@ -543,11 +548,9 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) mate->select_data = sel | 1; if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) { - icside_dma_init(hwif); - icside_dma_init(mate); + d.init_dma = icside_dma_init; d.port_ops = &icside_v6_dma_port_ops; - } else - d.mwdma_mask = d.swdma_mask = 0; + } idx[0] = hwif->index; idx[1] = mate->index; |