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path: root/drivers/ata/pata_rb532_cf.c
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Diffstat (limited to 'drivers/ata/pata_rb532_cf.c')
-rw-r--r--drivers/ata/pata_rb532_cf.c64
1 files changed, 4 insertions, 60 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index ebfcda2..8e3cdef 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;