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-rw-r--r--arch/m68k/include/asm/ide.h36
-rw-r--r--drivers/ide/falconide.c29
-rw-r--r--drivers/ide/ide-io.c8
-rw-r--r--drivers/ide/ide-probe.c2
-rw-r--r--include/linux/ide.h17
5 files changed, 42 insertions, 50 deletions
diff --git a/arch/m68k/include/asm/ide.h b/arch/m68k/include/asm/ide.h
index 9f95f06eebe2..4e6e77759f88 100644
--- a/arch/m68k/include/asm/ide.h
+++ b/arch/m68k/include/asm/ide.h
@@ -36,11 +36,6 @@
36#include <asm/io.h> 36#include <asm/io.h>
37#include <asm/irq.h> 37#include <asm/irq.h>
38 38
39#ifdef CONFIG_ATARI
40#include <linux/interrupt.h>
41#include <asm/atari_stdma.h>
42#endif
43
44#ifdef CONFIG_MAC 39#ifdef CONFIG_MAC
45#include <asm/macints.h> 40#include <asm/macints.h>
46#endif 41#endif
@@ -92,36 +87,5 @@
92#define outsw_swapw(port, addr, n) raw_outsw_swapw((u16 *)port, addr, n) 87#define outsw_swapw(port, addr, n) raw_outsw_swapw((u16 *)port, addr, n)
93#endif 88#endif
94 89
95#ifdef CONFIG_BLK_DEV_FALCON_IDE
96#define IDE_ARCH_LOCK
97
98extern int falconide_intr_lock;
99
100static __inline__ void ide_release_lock (void)
101{
102 if (MACH_IS_ATARI) {
103 if (falconide_intr_lock == 0) {
104 printk("ide_release_lock: bug\n");
105 return;
106 }
107 falconide_intr_lock = 0;
108 stdma_release();
109 }
110}
111
112static __inline__ void
113ide_get_lock(irq_handler_t handler, void *data)
114{
115 if (MACH_IS_ATARI) {
116 if (falconide_intr_lock == 0) {
117 if (in_interrupt() > 0)
118 panic( "Falcon IDE hasn't ST-DMA lock in interrupt" );
119 stdma_lock(handler, data);
120 falconide_intr_lock = 1;
121 }
122 }
123}
124#endif /* CONFIG_BLK_DEV_FALCON_IDE */
125
126#endif /* __KERNEL__ */ 90#endif /* __KERNEL__ */
127#endif /* _M68K_IDE_H */ 91#endif /* _M68K_IDE_H */
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index a638e952d67a..d4d7ff1a3516 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -40,8 +40,27 @@
40 * which is shared between several drivers. 40 * which is shared between several drivers.
41 */ 41 */
42 42
43int falconide_intr_lock; 43static int falconide_intr_lock;
44EXPORT_SYMBOL(falconide_intr_lock); 44
45static void falconide_release_lock(void)
46{
47 if (falconide_intr_lock == 0) {
48 printk(KERN_ERR "%s: bug\n", __func__);
49 return;
50 }
51 falconide_intr_lock = 0;
52 stdma_release();
53}
54
55static void falconide_get_lock(irq_handler_t handler, void *data)
56{
57 if (falconide_intr_lock == 0) {
58 if (in_interrupt() > 0)
59 panic("Falcon IDE hasn't ST-DMA lock in interrupt");
60 stdma_lock(handler, data);
61 falconide_intr_lock = 1;
62 }
63}
45 64
46static void falconide_input_data(ide_drive_t *drive, struct request *rq, 65static void falconide_input_data(ide_drive_t *drive, struct request *rq,
47 void *buf, unsigned int len) 66 void *buf, unsigned int len)
@@ -81,6 +100,8 @@ static const struct ide_tp_ops falconide_tp_ops = {
81}; 100};
82 101
83static const struct ide_port_info falconide_port_info = { 102static const struct ide_port_info falconide_port_info = {
103 .get_lock = falconide_get_lock,
104 .release_lock = falconide_release_lock,
84 .tp_ops = &falconide_tp_ops, 105 .tp_ops = &falconide_tp_ops,
85 .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE, 106 .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE,
86}; 107};
@@ -132,9 +153,9 @@ static int __init falconide_init(void)
132 goto err; 153 goto err;
133 } 154 }
134 155
135 ide_get_lock(NULL, NULL); 156 falconide_get_lock(NULL, NULL);
136 rc = ide_host_register(host, &falconide_port_info, hws); 157 rc = ide_host_register(host, &falconide_port_info, hws);
137 ide_release_lock(); 158 falconide_release_lock();
138 159
139 if (rc) 160 if (rc)
140 goto err_free; 161 goto err_free;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index e85060164203..030b0ea1a1e1 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -501,8 +501,8 @@ static inline int ide_lock_host(struct ide_host *host, ide_hwif_t *hwif)
501 if (host->host_flags & IDE_HFLAG_SERIALIZE) { 501 if (host->host_flags & IDE_HFLAG_SERIALIZE) {
502 rc = test_and_set_bit_lock(IDE_HOST_BUSY, &host->host_busy); 502 rc = test_and_set_bit_lock(IDE_HOST_BUSY, &host->host_busy);
503 if (rc == 0) { 503 if (rc == 0) {
504 /* for atari only */ 504 if (host->get_lock)
505 ide_get_lock(ide_intr, hwif); 505 host->get_lock(ide_intr, hwif);
506 } 506 }
507 } 507 }
508 return rc; 508 return rc;
@@ -511,8 +511,8 @@ static inline int ide_lock_host(struct ide_host *host, ide_hwif_t *hwif)
511static inline void ide_unlock_host(struct ide_host *host) 511static inline void ide_unlock_host(struct ide_host *host)
512{ 512{
513 if (host->host_flags & IDE_HFLAG_SERIALIZE) { 513 if (host->host_flags & IDE_HFLAG_SERIALIZE) {
514 /* for atari only */ 514 if (host->release_lock)
515 ide_release_lock(); 515 host->release_lock();
516 clear_bit_unlock(IDE_HOST_BUSY, &host->host_busy); 516 clear_bit_unlock(IDE_HOST_BUSY, &host->host_busy);
517 } 517 }
518} 518}
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index b0510b033d78..a3edbb5d0452 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1325,6 +1325,8 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
1325 1325
1326 if (d) { 1326 if (d) {
1327 host->init_chipset = d->init_chipset; 1327 host->init_chipset = d->init_chipset;
1328 host->get_lock = d->get_lock;
1329 host->release_lock = d->release_lock;
1328 host->host_flags = d->host_flags; 1330 host->host_flags = d->host_flags;
1329 } 1331 }
1330 1332
diff --git a/include/linux/ide.h b/include/linux/ide.h
index cda80b5779a4..b7d95f09cc2e 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -202,12 +202,6 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
202 202
203#define MAX_HWIFS 10 203#define MAX_HWIFS 10
204 204
205/* Currently only Atari needs it */
206#ifndef IDE_ARCH_LOCK
207# define ide_release_lock() do {} while (0)
208# define ide_get_lock(hdlr, data) do {} while (0)
209#endif /* IDE_ARCH_LOCK */
210
211/* 205/*
212 * Now for the data we need to maintain per-drive: ide_drive_t 206 * Now for the data we need to maintain per-drive: ide_drive_t
213 */ 207 */
@@ -845,8 +839,14 @@ struct ide_host {
845 ide_hwif_t *ports[MAX_HOST_PORTS + 1]; 839 ide_hwif_t *ports[MAX_HOST_PORTS + 1];
846 unsigned int n_ports; 840 unsigned int n_ports;
847 struct device *dev[2]; 841 struct device *dev[2];
842
848 int (*init_chipset)(struct pci_dev *); 843 int (*init_chipset)(struct pci_dev *);
844
845 void (*get_lock)(irq_handler_t, void *);
846 void (*release_lock)(void);
847
849 irq_handler_t irq_handler; 848 irq_handler_t irq_handler;
849
850 unsigned long host_flags; 850 unsigned long host_flags;
851 void *host_priv; 851 void *host_priv;
852 ide_hwif_t *cur_port; /* for hosts requiring serialization */ 852 ide_hwif_t *cur_port; /* for hosts requiring serialization */
@@ -1358,7 +1358,12 @@ enum {
1358 1358
1359struct ide_port_info { 1359struct ide_port_info {
1360 char *name; 1360 char *name;
1361
1361 int (*init_chipset)(struct pci_dev *); 1362 int (*init_chipset)(struct pci_dev *);
1363
1364 void (*get_lock)(irq_handler_t, void *);
1365 void (*release_lock)(void);
1366
1362 void (*init_iops)(ide_hwif_t *); 1367 void (*init_iops)(ide_hwif_t *);
1363 void (*init_hwif)(ide_hwif_t *); 1368 void (*init_hwif)(ide_hwif_t *);
1364 int (*init_dma)(ide_hwif_t *, 1369 int (*init_dma)(ide_hwif_t *,