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path: root/drivers/ide/falconide.c
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Diffstat (limited to 'drivers/ide/falconide.c')
-rw-r--r--drivers/ide/falconide.c45
1 files changed, 34 insertions, 11 deletions
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index a638e952d67a..b368a5effc3a 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -40,29 +40,48 @@
* which is shared between several drivers.
*/
-int falconide_intr_lock;
-EXPORT_SYMBOL(falconide_intr_lock);
+static int falconide_intr_lock;
-static void falconide_input_data(ide_drive_t *drive, struct request *rq,
+static void falconide_release_lock(void)
+{
+ if (falconide_intr_lock == 0) {
+ printk(KERN_ERR "%s: bug\n", __func__);
+ return;
+ }
+ falconide_intr_lock = 0;
+ stdma_release();
+}
+
+static void falconide_get_lock(irq_handler_t handler, void *data)
+{
+ if (falconide_intr_lock == 0) {
+ if (in_interrupt() > 0)
+ panic("Falcon IDE hasn't ST-DMA lock in interrupt");
+ stdma_lock(handler, data);
+ falconide_intr_lock = 1;
+ }
+}
+
+static void falconide_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
void *buf, unsigned int len)
{
unsigned long data_addr = drive->hwif->io_ports.data_addr;
- if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS)
+ if (drive->media == ide_disk && cmd && (cmd->tf_flags & IDE_TFLAG_FS))
return insw(data_addr, buf, (len + 1) / 2);
- insw_swapw(data_addr, buf, (len + 1) / 2);
+ raw_insw_swapw((u16 *)data_addr, buf, (len + 1) / 2);
}
-static void falconide_output_data(ide_drive_t *drive, struct request *rq,
+static void falconide_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
void *buf, unsigned int len)
{
unsigned long data_addr = drive->hwif->io_ports.data_addr;
- if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS)
+ if (drive->media == ide_disk && cmd && (cmd->tf_flags & IDE_TFLAG_FS))
return outsw(data_addr, buf, (len + 1) / 2);
- outsw_swapw(data_addr, buf, (len + 1) / 2);
+ raw_outsw_swapw((u16 *)data_addr, buf, (len + 1) / 2);
}
/* Atari has a byte-swapped IDE interface */
@@ -81,8 +100,12 @@ static const struct ide_tp_ops falconide_tp_ops = {
};
static const struct ide_port_info falconide_port_info = {
+ .get_lock = falconide_get_lock,
+ .release_lock = falconide_release_lock,
.tp_ops = &falconide_tp_ops,
- .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE,
+ .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE |
+ IDE_HFLAG_NO_DMA,
+ .irq_flags = IRQF_SHARED,
};
static void __init falconide_setup_ports(hw_regs_t *hw)
@@ -132,9 +155,9 @@ static int __init falconide_init(void)
goto err;
}
- ide_get_lock(NULL, NULL);
+ falconide_get_lock(NULL, NULL);
rc = ide_host_register(host, &falconide_port_info, hws);
- ide_release_lock();
+ falconide_release_lock();
if (rc)
goto err_free;