diff options
author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 16:14:38 +0100 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 16:14:38 +0100 |
commit | b92efa9abffc4a634cd2e7a0f81f8aa6310d67c9 (patch) | |
tree | 9847508d9b8d4e585f90db4a453bfbc3700c997e /drivers/ata/pata_rb532_cf.c | |
parent | a16fffdd8eb95ebab7dc22414896fe6493951e0e (diff) | |
parent | be0ea69674ed95e1e98cb3687a241badc756d228 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch
Diffstat (limited to 'drivers/ata/pata_rb532_cf.c')
-rw-r--r-- | drivers/ata/pata_rb532_cf.c | 66 |
1 files changed, 4 insertions, 62 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index c2e6fb9f2ef..8e3cdef8a25 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -48,65 +48,11 @@ struct rb532_cf_info { void __iomem *iobase; unsigned int gpio_line; - int frozen; unsigned int irq; }; /* ------------------------------------------------------------------------ */ -static inline void rb532_pata_finish_io(struct ata_port *ap) -{ - struct ata_host *ah = ap->host; - struct rb532_cf_info *info = ah->private_data; - - /* FIXME: Keep previous delay. If this is merely a fence then - ata_sff_sync might be sufficient. */ - ata_sff_dma_pause(ap); - ndelay(RB500_CF_IO_DELAY); - - set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); -} - -static void rb532_pata_exec_command(struct ata_port *ap, - const struct ata_taskfile *tf) -{ - writeb(tf->command, ap->ioaddr.command_addr); - rb532_pata_finish_io(ap); -} - -static unsigned int rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, - unsigned int buflen, int write_data) -{ - struct ata_port *ap = adev->link->ap; - void __iomem *ioaddr = ap->ioaddr.data_addr; - int retlen = buflen; - - if (write_data) { - for (; buflen > 0; buflen--, buf++) - writeb(*buf, ioaddr); - } else { - for (; buflen > 0; buflen--, buf++) - *buf = readb(ioaddr); - } - - rb532_pata_finish_io(adev->link->ap); - return retlen; -} - -static void rb532_pata_freeze(struct ata_port *ap) -{ - struct rb532_cf_info *info = ap->host->private_data; - - info->frozen = 1; -} - -static void rb532_pata_thaw(struct ata_port *ap) -{ - struct rb532_cf_info *info = ap->host->private_data; - - info->frozen = 0; -} - static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance) { struct ata_host *ah = dev_instance; @@ -114,8 +60,7 @@ static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance) if (gpio_get_value(info->gpio_line)) { set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW); - if (!info->frozen) - ata_sff_interrupt(info->irq, dev_instance); + ata_sff_interrupt(info->irq, dev_instance); } else { set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); } @@ -125,10 +70,7 @@ static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance) static struct ata_port_operations rb532_pata_port_ops = { .inherits = &ata_sff_port_ops, - .sff_exec_command = rb532_pata_exec_command, - .sff_data_xfer = rb532_pata_data_xfer, - .freeze = rb532_pata_freeze, - .thaw = rb532_pata_thaw, + .sff_data_xfer = ata_sff_data_xfer32, }; /* ------------------------------------------------------------------------ */ @@ -147,7 +89,7 @@ static void rb532_pata_setup_ports(struct ata_host *ah) ap = ah->ports[0]; ap->ops = &rb532_pata_port_ops; - ap->pio_mask = 0x1f; /* PIO4 */ + ap->pio_mask = ATA_PIO4; ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_BASE; @@ -162,7 +104,7 @@ static void rb532_pata_setup_ports(struct ata_host *ah) static __devinit int rb532_pata_driver_probe(struct platform_device *pdev) { - unsigned int irq; + int irq; int gpio; struct resource *res; struct ata_host *ah; |