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path: root/drivers/ide/pci/cmd640.c
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Diffstat (limited to 'drivers/ide/pci/cmd640.c')
-rw-r--r--drivers/ide/pci/cmd640.c49
1 files changed, 27 insertions, 22 deletions
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index 4aa48104e0c..bd24dad3cfc 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -1,6 +1,4 @@
/*
- * linux/drivers/ide/pci/cmd640.c Version 1.02 Sep 01, 1996
- *
* Copyright (C) 1995-1996 Linus Torvalds & authors (see below)
*/
@@ -105,10 +103,6 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/blkdev.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/init.h>
@@ -705,10 +699,22 @@ static int pci_conf2(void)
return 0;
}
+static const struct ide_port_info cmd640_port_info __initdata = {
+ .chipset = ide_cmd640,
+ .host_flags = IDE_HFLAG_SERIALIZE |
+ IDE_HFLAG_NO_DMA |
+ IDE_HFLAG_NO_AUTOTUNE |
+ IDE_HFLAG_ABUSE_PREFETCH |
+ IDE_HFLAG_ABUSE_FAST_DEVSEL,
+#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
+ .pio_mask = ATA_PIO5,
+#endif
+};
+
/*
- * Probe for a cmd640 chipset, and initialize it if found. Called from ide.c
+ * Probe for a cmd640 chipset, and initialize it if found.
*/
-int __init ide_probe_for_cmd640x (void)
+static int __init cmd640x_init(void)
{
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
int second_port_toggled = 0;
@@ -717,6 +723,7 @@ int __init ide_probe_for_cmd640x (void)
const char *bus_type, *port2;
unsigned int index;
u8 b, cfr;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
if (cmd640_vlb && probe_for_cmd640_vlb()) {
bus_type = "VLB";
@@ -761,14 +768,12 @@ int __init ide_probe_for_cmd640x (void)
setup_device_ptrs ();
printk("%s: buggy cmd640%c interface on %s, config=0x%02x\n",
cmd_hwif0->name, 'a' + cmd640_chip_version - 1, bus_type, cfr);
- cmd_hwif0->chipset = ide_cmd640;
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
- cmd_hwif0->host_flags = IDE_HFLAG_ABUSE_PREFETCH |
- IDE_HFLAG_ABUSE_FAST_DEVSEL;
- cmd_hwif0->pio_mask = ATA_PIO5;
cmd_hwif0->set_pio_mode = &cmd640_set_pio_mode;
#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
+ idx[0] = cmd_hwif0->index;
+
/*
* Ensure compatibility by always using the slowest timings
* for access to the drive's command register block,
@@ -814,21 +819,14 @@ int __init ide_probe_for_cmd640x (void)
* Initialize data for secondary cmd640 port, if enabled
*/
if (second_port_cmd640) {
- cmd_hwif0->serialized = 1;
- cmd_hwif1->serialized = 1;
- cmd_hwif1->chipset = ide_cmd640;
- cmd_hwif0->mate = cmd_hwif1;
- cmd_hwif1->mate = cmd_hwif0;
- cmd_hwif1->channel = 1;
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
- cmd_hwif1->host_flags = IDE_HFLAG_ABUSE_PREFETCH |
- IDE_HFLAG_ABUSE_FAST_DEVSEL;
- cmd_hwif1->pio_mask = ATA_PIO5;
cmd_hwif1->set_pio_mode = &cmd640_set_pio_mode;
#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
+
+ idx[1] = cmd_hwif1->index;
}
printk(KERN_INFO "%s: %sserialized, secondary interface %s\n", cmd_hwif1->name,
- cmd_hwif0->serialized ? "" : "not ", port2);
+ second_port_cmd640 ? "" : "not ", port2);
/*
* Establish initial timings/prefetch for all drives.
@@ -872,6 +870,13 @@ int __init ide_probe_for_cmd640x (void)
#ifdef CMD640_DUMP_REGS
cmd640_dump_regs();
#endif
+
+ ide_device_add(idx, &cmd640_port_info);
+
return 1;
}
+module_param_named(probe_vlb, cmd640_vlb, bool, 0);
+MODULE_PARM_DESC(probe_vlb, "probe for VLB version of CMD640 chipset");
+
+module_init(cmd640x_init);