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yaml
---
r: 63913
b: refs/heads/master
c: edd2a9d
h: refs/heads/master
i:
  63911: aebb724
v: v3
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Geert Uytterhoeven authored and Paul Mackerras committed Aug 10, 2007
1 parent fb00c4a commit c2da6cf
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Showing 2 changed files with 20 additions and 19 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f5996449e3244524cab0ba709a4bd87047a8175f
refs/heads/master: edd2a9d185799354db255de62c3ed1f2b1c6b0f4
37 changes: 19 additions & 18 deletions trunk/arch/powerpc/platforms/ps3/device-init.c
Original file line number Diff line number Diff line change
Expand Up @@ -273,55 +273,58 @@ static int ps3stor_wait_for_completion(u64 dev_id, u64 tag,

static int ps3_storage_wait_for_device(const struct ps3_repository_device *repo)
{
int error = -ENODEV;
int result;
const u64 notification_dev_id = (u64)-1LL;
const unsigned int timeout = HZ;
u64 lpar;
u64 tag;
void *buf;
enum ps3_notify_type {
notify_device_ready = 0,
notify_region_probe = 1,
notify_region_update = 2,
};
struct {
u64 operation_code; /* must be zero */
u64 event_mask; /* 1 = device ready */
u64 event_mask; /* OR of 1UL << enum ps3_notify_type */
} *notify_cmd;
struct {
u64 event_type; /* notify_device_ready */
u64 event_type; /* enum ps3_notify_type */
u64 bus_id;
u64 dev_id;
u64 dev_type;
u64 dev_port;
} *notify_event;
enum {
notify_device_ready = 1
};

pr_debug(" -> %s:%u: bus_id %u, dev_id %u, dev_type %u\n", __func__,
__LINE__, repo->bus_id, repo->dev_id, repo->dev_type);

notify_cmd = kzalloc(512, GFP_KERNEL);
notify_event = (void *)notify_cmd;
if (!notify_cmd)
buf = kzalloc(512, GFP_KERNEL);
if (!buf)
return -ENOMEM;

lpar = ps3_mm_phys_to_lpar(__pa(notify_cmd));
lpar = ps3_mm_phys_to_lpar(__pa(buf));
notify_cmd = buf;
notify_event = buf;

result = lv1_open_device(repo->bus_id, notification_dev_id, 0);
if (result) {
printk(KERN_ERR "%s:%u: lv1_open_device %s\n", __func__,
__LINE__, ps3_result(result));
result = -ENODEV;
goto fail_free;
}

/* Setup and write the request for device notification. */

notify_cmd->operation_code = 0; /* must be zero */
notify_cmd->event_mask = 0x01; /* device ready */
notify_cmd->operation_code = 0; /* must be zero */
notify_cmd->event_mask = 1UL << notify_region_probe;

result = lv1_storage_write(notification_dev_id, 0, 0, 1, 0, lpar,
&tag);
if (result) {
printk(KERN_ERR "%s:%u: write failed %s\n", __func__, __LINE__,
ps3_result(result));
result = -ENODEV;
goto fail_close;
}

Expand All @@ -332,13 +335,11 @@ static int ps3_storage_wait_for_device(const struct ps3_repository_device *repo)
if (result) {
printk(KERN_ERR "%s:%u: write not completed %s\n", __func__,
__LINE__, ps3_result(result));
result = -ENODEV;
goto fail_close;
}

/* Loop here processing the requested notification events. */

result = -ENODEV;
while (1) {
memset(notify_event, 0, sizeof(*notify_event));

Expand All @@ -358,7 +359,7 @@ static int ps3_storage_wait_for_device(const struct ps3_repository_device *repo)
break;
}

if (notify_event->event_type != notify_device_ready ||
if (notify_event->event_type != notify_region_probe ||
notify_event->bus_id != repo->bus_id) {
pr_debug("%s:%u: bad notify_event: event %lu, "
"dev_id %lu, dev_type %lu\n",
Expand Down Expand Up @@ -386,9 +387,9 @@ static int ps3_storage_wait_for_device(const struct ps3_repository_device *repo)
fail_close:
lv1_close_device(repo->bus_id, notification_dev_id);
fail_free:
kfree(notify_cmd);
kfree(buf);
pr_debug(" <- %s:%u\n", __func__, __LINE__);
return result;
return error;
}

static int ps3_setup_storage_dev(const struct ps3_repository_device *repo,
Expand Down

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