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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 21:20:23 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 21:20:23 +0300 |
commit | 0384e2959127a56d0640505d004d8dd92f9c29f5 (patch) | |
tree | fa2a8d6829ed61fa561deab03a259e25b7b49865 /drivers/ata/pata_rb532_cf.c | |
parent | 61a091827e273650b39eb87c799a6d260913fa0b (diff) | |
parent | c96f1732e25362d10ee7bcac1df8412a2e6b7d23 (diff) | |
download | linux-0384e2959127a56d0640505d004d8dd92f9c29f5.tar.xz |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (35 commits)
[libata] Improve timeout handling
[libata] Drain data on errors
pata_sc1200: Activate secondary channel
pata_artop: Serializing support
[libata] ahci: correct enclosure LED state save
[libata] More robust parsing for IDENTIFY DEVICE multi_count field
sata_mv: fix LED blinking for SoC+NCQ
sata_mv: optimize IRQ coalescing for 8-port chips
sata_mv: implement IRQ coalescing (v2)
sata_mv: cosmetic preparations for IRQ coalescing
pata-rb532-cf: platform_get_irq() fix ignored failure
pata_efar: fix *dma_mask
pata_radisys: fix mwdma_mask to exclude mwdma0
[libata] convert drivers to use ata.h mode mask defines
include/linux/ata.h: add some more transfer masks
ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off
[libata] sata_mv: Implement direct FIS transmission via mv_qc_issue_fis().
[libata] Export ata_pio_queue_task() so that it can be used from sata_mv.
[libata] sata_mv: Add a new mv_sff_check_status() function to sata_mv.
[libata] sata_mv: Tighten up interrupt masking in mv_qc_issue()
...
Diffstat (limited to 'drivers/ata/pata_rb532_cf.c')
-rw-r--r-- | drivers/ata/pata_rb532_cf.c | 64 |
1 files changed, 4 insertions, 60 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index ebfcda26d639..8e3cdef8a25f 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -48,63 +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); -} - -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; @@ -112,8 +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); } @@ -123,10 +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, }; /* ------------------------------------------------------------------------ */ @@ -145,7 +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; @@ -160,7 +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; |