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path: root/drivers/ide/au1xxx-ide.c
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Diffstat (limited to 'drivers/ide/au1xxx-ide.c')
-rw-r--r--drivers/ide/au1xxx-ide.c75
1 files changed, 27 insertions, 48 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 79a2dfed8eb7..d3a9d6c15328 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -86,13 +86,13 @@ void auide_outsw(unsigned long port, void *addr, u32 count)
ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
}
-static void au1xxx_input_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
void *buf, unsigned int len)
{
auide_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
}
-static void au1xxx_output_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
void *buf, unsigned int len)
{
auide_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
@@ -209,23 +209,17 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
*/
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-static int auide_build_dmatable(ide_drive_t *drive)
+static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd)
{
- int i, iswrite, count = 0;
ide_hwif_t *hwif = drive->hwif;
- struct request *rq = hwif->rq;
_auide_hwif *ahwif = &auide_hwif;
struct scatterlist *sg;
+ int i = cmd->sg_nents, count = 0;
+ int iswrite = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
- iswrite = (rq_data_dir(rq) == WRITE);
/* Save for interrupt context */
ahwif->drive = drive;
- hwif->sg_nents = i = ide_build_sglist(drive, rq);
-
- if (!i)
- return 0;
-
/* fill the descriptors */
sg = hwif->sg_table;
while (i && sg_dma_len(sg)) {
@@ -286,12 +280,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
static int auide_dma_end(ide_drive_t *drive)
{
- ide_hwif_t *hwif = drive->hwif;
-
- if (hwif->sg_nents) {
- ide_destroy_dmatable(drive);
- hwif->sg_nents = 0;
- }
+ ide_destroy_dmatable(drive);
return 0;
}
@@ -301,19 +290,10 @@ static void auide_dma_start(ide_drive_t *drive )
}
-static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
+static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
{
- /* issue cmd to drive */
- ide_execute_command(drive, command, &ide_dma_intr,
- (2*WAIT_CMD), NULL);
-}
-
-static int auide_dma_setup(ide_drive_t *drive)
-{
- struct request *rq = drive->hwif->rq;
-
- if (!auide_build_dmatable(drive)) {
- ide_map_sg(drive, rq);
+ if (auide_build_dmatable(drive, cmd) == 0) {
+ ide_map_sg(drive, cmd);
return 1;
}
@@ -369,7 +349,6 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de
static const struct ide_dma_ops au1xxx_dma_ops = {
.dma_host_set = auide_dma_host_set,
.dma_setup = auide_dma_setup,
- .dma_exec_cmd = auide_dma_exec_cmd,
.dma_start = auide_dma_start,
.dma_end = auide_dma_end,
.dma_test_irq = auide_dma_test_irq,
@@ -536,9 +515,8 @@ static const struct ide_port_info au1xxx_port_info = {
#endif
};
-static int au_ide_probe(struct device *dev)
+static int au_ide_probe(struct platform_device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
_auide_hwif *ahwif = &auide_hwif;
struct resource *res;
struct ide_host *host;
@@ -552,23 +530,23 @@ static int au_ide_probe(struct device *dev)
#endif
memset(&auide_hwif, 0, sizeof(_auide_hwif));
- ahwif->irq = platform_get_irq(pdev, 0);
+ ahwif->irq = platform_get_irq(dev, 0);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (res == NULL) {
- pr_debug("%s %d: no base address\n", DRV_NAME, pdev->id);
+ pr_debug("%s %d: no base address\n", DRV_NAME, dev->id);
ret = -ENODEV;
goto out;
}
if (ahwif->irq < 0) {
- pr_debug("%s %d: no IRQ\n", DRV_NAME, pdev->id);
+ pr_debug("%s %d: no IRQ\n", DRV_NAME, dev->id);
ret = -ENODEV;
goto out;
}
if (!request_mem_region(res->start, res->end - res->start + 1,
- pdev->name)) {
+ dev->name)) {
pr_debug("%s: request_mem_region failed\n", DRV_NAME);
ret = -EBUSY;
goto out;
@@ -583,7 +561,7 @@ static int au_ide_probe(struct device *dev)
memset(&hw, 0, sizeof(hw));
auide_setup_ports(&hw, ahwif);
hw.irq = ahwif->irq;
- hw.dev = dev;
+ hw.dev = &dev->dev;
hw.chipset = ide_au1xxx;
ret = ide_host_add(&au1xxx_port_info, hws, &host);
@@ -592,7 +570,7 @@ static int au_ide_probe(struct device *dev)
auide_hwif.hwif = host->ports[0];
- dev_set_drvdata(dev, host);
+ platform_set_drvdata(dev, host);
printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
@@ -600,38 +578,39 @@ static int au_ide_probe(struct device *dev)
return ret;
}
-static int au_ide_remove(struct device *dev)
+static int au_ide_remove(struct platform_device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct resource *res;
- struct ide_host *host = dev_get_drvdata(dev);
+ struct ide_host *host = platform_get_drvdata(dev);
_auide_hwif *ahwif = &auide_hwif;
ide_host_remove(host);
iounmap((void *)ahwif->regbase);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
release_mem_region(res->start, res->end - res->start + 1);
return 0;
}
-static struct device_driver au1200_ide_driver = {
- .name = "au1200-ide",
- .bus = &platform_bus_type,
+static struct platform_driver au1200_ide_driver = {
+ .driver = {
+ .name = "au1200-ide",
+ .owner = THIS_MODULE,
+ },
.probe = au_ide_probe,
.remove = au_ide_remove,
};
static int __init au_ide_init(void)
{
- return driver_register(&au1200_ide_driver);
+ return platform_driver_register(&au1200_ide_driver);
}
static void __exit au_ide_exit(void)
{
- driver_unregister(&au1200_ide_driver);
+ platform_driver_unregister(&au1200_ide_driver);
}
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-19 09:25:30 +0000