From: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Prepare the thinkpad-acpi driver for the conversion to the device
model, by renaming variables and doing other glue work that shall
make the later patches much cleaner.
Signed-off-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/misc/thinkpad_acpi.c | 231 +++++++++++++++++++++++-------------------
drivers/misc/thinkpad_acpi.h | 40 +++++---
2 files changed, 153 insertions(+), 118 deletions(-)
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index e2a1b63..809ec84 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -277,7 +277,7 @@ static int _sta(acpi_handle handle)
* ACPI device model
*/
-static void ibm_handle_init(char *name,
+static void drv_acpi_handle_init(char *name,
acpi_handle *handle, acpi_handle parent,
char **paths, int num_paths, char **path)
{
@@ -295,40 +295,42 @@ static void ibm_handle_init(char *name,
*handle = NULL;
}
-static void dispatch_notify(acpi_handle handle, u32 event, void *data)
+static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data)
{
struct ibm_struct *ibm = data;
- if (!ibm || !ibm->notify)
+ if (!ibm || !ibm->acpi || !ibm->acpi->notify)
return;
- ibm->notify(ibm, event);
+ ibm->acpi->notify(ibm, event);
}
-static int __init setup_notify(struct ibm_struct *ibm)
+static int __init setup_acpi_notify(struct ibm_struct *ibm)
{
acpi_status status;
int ret;
- if (!*ibm->handle)
+ BUG_ON(!ibm->acpi);
+
+ if (!*ibm->acpi->handle)
return 0;
dbg_printk(TPACPI_DBG_INIT,
"setting up ACPI notify for %s\n", ibm->name);
- ret = acpi_bus_get_device(*ibm->handle, &ibm->device);
+ ret = acpi_bus_get_device(*ibm->acpi->handle, &ibm->acpi->device);
if (ret < 0) {
printk(IBM_ERR "%s device not present\n", ibm->name);
return -ENODEV;
}
- acpi_driver_data(ibm->device) = ibm;
- sprintf(acpi_device_class(ibm->device), "%s/%s",
+ acpi_driver_data(ibm->acpi->device) = ibm;
+ sprintf(acpi_device_class(ibm->acpi->device), "%s/%s",
IBM_ACPI_EVENT_PREFIX,
ibm->name);
- status = acpi_install_notify_handler(*ibm->handle, ibm->type,
- dispatch_notify, ibm);
+ status = acpi_install_notify_handler(*ibm->acpi->handle,
+ ibm->acpi->type, dispatch_acpi_notify, ibm);
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
printk(IBM_NOTICE "another device driver is already handling %s events\n",
@@ -339,11 +341,11 @@ static int __init setup_notify(struct ibm_struct *ibm)
}
return -ENODEV;
}
- ibm->flags.notify_installed = 1;
+ ibm->flags.acpi_notify_installed = 1;
return 0;
}
-static int __init ibm_device_add(struct acpi_device *device)
+static int __init tpacpi_device_add(struct acpi_device *device)
{
return 0;
}
@@ -355,24 +357,26 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
dbg_printk(TPACPI_DBG_INIT,
"registering %s as an ACPI driver\n", ibm->name);
- ibm->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
- if (!ibm->driver) {
+ BUG_ON(!ibm->acpi);
+
+ ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
+ if (!ibm->acpi->driver) {
printk(IBM_ERR "kzalloc(ibm->driver) failed\n");
return -ENOMEM;
}
- sprintf(ibm->driver->name, "%s_%s", IBM_NAME, ibm->name);
- ibm->driver->ids = ibm->hid;
- ibm->driver->ops.add = &ibm_device_add;
+ sprintf(ibm->acpi->driver->name, "%s_%s", IBM_NAME, ibm->name);
+ ibm->acpi->driver->ids = ibm->acpi->hid;
+ ibm->acpi->driver->ops.add = &tpacpi_device_add;
- ret = acpi_bus_register_driver(ibm->driver);
+ ret = acpi_bus_register_driver(ibm->acpi->driver);
if (ret < 0) {
printk(IBM_ERR "acpi_bus_register_driver(%s) failed: %d\n",
- ibm->hid, ret);
- kfree(ibm->driver);
- ibm->driver = NULL;
+ ibm->acpi->hid, ret);
+ kfree(ibm->acpi->driver);
+ ibm->acpi->driver = NULL;
} else if (!ret)
- ibm->flags.driver_registered = 1;
+ ibm->flags.acpi_driver_registered = 1;
return ret;
}
@@ -386,8 +390,8 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
****************************************************************************
****************************************************************************/
-static int dispatch_read(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int dispatch_procfs_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
struct ibm_struct *ibm = data;
int len;
@@ -411,8 +415,9 @@ static int dispatch_read(char *page, char **start, off_t off, int count,
return len;
}
-static int dispatch_write(struct file *file, const char __user * userbuf,
- unsigned long count, void *data)
+static int dispatch_procfs_write(struct file *file,
+ const char __user * userbuf,
+ unsigned long count, void *data)
{
struct ibm_struct *ibm = data;
char *kernbuf;
@@ -508,7 +513,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
- IBM_HANDLE_INIT(hkey);
+ IBM_ACPIHANDLE_INIT(hkey);
/* hotkey not supported on 570 */
tp_features.hotkey = hkey_handle != NULL;
@@ -545,10 +550,10 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
int hkey;
if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d"))
- acpi_bus_generate_event(ibm->device, event, hkey);
+ acpi_bus_generate_event(ibm->acpi->device, event, hkey);
else {
printk(IBM_ERR "unknown hotkey event %d\n", event);
- acpi_bus_generate_event(ibm->device, event, 0);
+ acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
}
@@ -643,15 +648,19 @@ static int hotkey_write(char *buf)
return 0;
}
+static struct tp_acpi_drv_struct ibm_hotkey_acpidriver = {
+ .hid = IBM_HKEY_HID,
+ .notify = hotkey_notify,
+ .handle = &hkey_handle,
+ .type = ACPI_DEVICE_NOTIFY,
+};
+
static struct ibm_struct hotkey_driver_data = {
.name = "hotkey",
- .hid = IBM_HKEY_HID,
.read = hotkey_read,
.write = hotkey_write,
.exit = hotkey_exit,
- .notify = hotkey_notify,
- .handle = &hkey_handle,
- .type = ACPI_DEVICE_NOTIFY,
+ .acpi = &ibm_hotkey_acpidriver,
};
/*************************************************************************
@@ -662,7 +671,7 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n");
- IBM_HANDLE_INIT(hkey);
+ IBM_ACPIHANDLE_INIT(hkey);
/* bluetooth not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
G4x, R30, R31, R40e, R50e, T20-22, X20-21 */
@@ -742,7 +751,7 @@ static int __init wan_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n");
- IBM_HANDLE_INIT(hkey);
+ IBM_ACPIHANDLE_INIT(hkey);
tp_features.wan = hkey_handle &&
acpi_evalf(hkey_handle, NULL, "GWAN", "qv");
@@ -835,8 +844,8 @@ static int __init video_init(struct ibm_init_struct *iibm)
vdbg_printk(TPACPI_DBG_INIT, "initializing video subdriver\n");
- IBM_HANDLE_INIT(vid);
- IBM_HANDLE_INIT(vid2);
+ IBM_ACPIHANDLE_INIT(vid);
+ IBM_ACPIHANDLE_INIT(vid2);
if (vid2_handle && acpi_evalf(NULL, &ivga, "\\IVGA", "d") && ivga)
/* G41, assume IVGA doesn't change */
@@ -1053,9 +1062,9 @@ static int __init light_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
- IBM_HANDLE_INIT(ledb);
- IBM_HANDLE_INIT(lght);
- IBM_HANDLE_INIT(cmos);
+ IBM_ACPIHANDLE_INIT(ledb);
+ IBM_ACPIHANDLE_INIT(lght);
+ IBM_ACPIHANDLE_INIT(cmos);
/* light not supported on 570, 600e/x, 770e, 770x, G4x, R30, R31 */
tp_features.light = (cmos_handle || lght_handle) && !ledb_handle;
@@ -1148,8 +1157,8 @@ static int __init dock_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n");
- IBM_HANDLE_INIT(dock);
- IBM_HANDLE_INIT(pci);
+ IBM_ACPIHANDLE_INIT(dock);
+ IBM_ACPIHANDLE_INIT(pci);
vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n",
str_supported(dock_handle != NULL));
@@ -1160,22 +1169,22 @@ static int __init dock_init(struct ibm_init_struct *iibm)
static void dock_notify(struct ibm_struct *ibm, u32 event)
{
int docked = dock_docked();
- int pci = ibm->hid && strstr(ibm->hid, IBM_PCI_HID);
+ int pci = ibm->acpi->hid && strstr(ibm->acpi->hid, IBM_PCI_HID);
if (event == 1 && !pci) /* 570 */
- acpi_bus_generate_event(ibm->device, event, 1); /* button */
+ acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
else if (event == 1 && pci) /* 570 */
- acpi_bus_generate_event(ibm->device, event, 3); /* dock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
else if (event == 3 && docked)
- acpi_bus_generate_event(ibm->device, event, 1); /* button */
+ acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
else if (event == 3 && !docked)
- acpi_bus_generate_event(ibm->device, event, 2); /* undock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 2); /* undock */
else if (event == 0 && docked)
- acpi_bus_generate_event(ibm->device, event, 3); /* dock */
+ acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
else {
printk(IBM_ERR "unknown dock event %d, status %d\n",
event, _sta(dock_handle));
- acpi_bus_generate_event(ibm->device, event, 0); /* unknown */
+ acpi_bus_generate_event(ibm->acpi->device, event, 0); /* unknown */
}
}
@@ -1218,17 +1227,13 @@ static int dock_write(char *buf)
return 0;
}
-static struct ibm_struct dock_driver_data[2] = {
+static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = {
{
- .name = "dock",
- .read = dock_read,
- .write = dock_write,
.notify = dock_notify,
.handle = &dock_handle,
.type = ACPI_SYSTEM_NOTIFY,
},
{
- .name = "dock",
.hid = IBM_PCI_HID,
.notify = dock_notify,
.handle = &pci_handle,
@@ -1236,6 +1241,19 @@ static struct ibm_struct dock_driver_data[2] = {
},
};
+static struct ibm_struct dock_driver_data[2] = {
+ {
+ .name = "dock",
+ .read = dock_read,
+ .write = dock_write,
+ .acpi = &ibm_dock_acpidriver[0],
+ },
+ {
+ .name = "dock",
+ .acpi = &ibm_dock_acpidriver[1],
+ },
+};
+
#endif /* CONFIG_THINKPAD_ACPI_DOCK */
/*************************************************************************
@@ -1262,12 +1280,12 @@ static int __init bay_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n");
- IBM_HANDLE_INIT(bay);
+ IBM_ACPIHANDLE_INIT(bay);
if (bay_handle)
- IBM_HANDLE_INIT(bay_ej);
- IBM_HANDLE_INIT(bay2);
+ IBM_ACPIHANDLE_INIT(bay_ej);
+ IBM_ACPIHANDLE_INIT(bay2);
if (bay2_handle)
- IBM_HANDLE_INIT(bay2_ej);
+ IBM_ACPIHANDLE_INIT(bay2_ej);
tp_features.bay_status = bay_handle &&
acpi_evalf(bay_handle, NULL, "_STA", "qv");
@@ -1292,7 +1310,7 @@ static int __init bay_init(struct ibm_init_struct *iibm)
static void bay_notify(struct ibm_struct *ibm, u32 event)
{
- acpi_bus_generate_event(ibm->device, event, 0);
+ acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
#define bay_occupied(b) (_sta(b##_handle) & 1)
@@ -1347,13 +1365,17 @@ static int bay_write(char *buf)
return 0;
}
+static struct tp_acpi_drv_struct ibm_bay_acpidriver = {
+ .notify = bay_notify,
+ .handle = &bay_handle,
+ .type = ACPI_SYSTEM_NOTIFY,
+};
+
static struct ibm_struct bay_driver_data = {
.name = "bay",
.read = bay_read,
.write = bay_write,
- .notify = bay_notify,
- .handle = &bay_handle,
- .type = ACPI_SYSTEM_NOTIFY,
+ .acpi = &ibm_bay_acpidriver,
};
#endif /* CONFIG_THINKPAD_ACPI_BAY */
@@ -1367,7 +1389,7 @@ static int __init cmos_init(struct ibm_init_struct *iibm)
vdbg_printk(TPACPI_DBG_INIT,
"initializing cmos commands subdriver\n");
- IBM_HANDLE_INIT(cmos);
+ IBM_ACPIHANDLE_INIT(cmos);
vdbg_printk(TPACPI_DBG_INIT, "cmos commands are %s\n",
str_supported(cmos_handle != NULL));
@@ -1441,7 +1463,7 @@ static int __init led_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n");
- IBM_HANDLE_INIT(led);
+ IBM_ACPIHANDLE_INIT(led);
if (!led_handle)
/* led not supported on R30, R31 */
@@ -1566,7 +1588,7 @@ static int __init beep_init(struct ibm_init_struct *iibm)
{
vdbg_printk(TPACPI_DBG_INIT, "initializing beep subdriver\n");
- IBM_HANDLE_INIT(beep);
+ IBM_ACPIHANDLE_INIT(beep);
vdbg_printk(TPACPI_DBG_INIT, "beep is %s\n",
str_supported(beep_handle != NULL));
@@ -2200,9 +2222,9 @@ static int __init fan_init(struct ibm_init_struct *iibm)
fan_watchdog_maxinterval = 0;
tp_features.fan_ctrl_status_undef = 0;
- IBM_HANDLE_INIT(fans);
- IBM_HANDLE_INIT(gfan);
- IBM_HANDLE_INIT(sfan);
+ IBM_ACPIHANDLE_INIT(fans);
+ IBM_ACPIHANDLE_INIT(gfan);
+ IBM_ACPIHANDLE_INIT(sfan);
if (gfan_handle) {
/* 570, 600e/x, 770e, 770x */
@@ -2728,22 +2750,24 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
ibm->flags.init_called = 1;
}
- if (ibm->hid) {
- ret = register_tpacpi_subdriver(ibm);
- if (ret)
- goto err_out;
- }
+ if (ibm->acpi) {
+ if (ibm->acpi->hid) {
+ ret = register_tpacpi_subdriver(ibm);
+ if (ret)
+ goto err_out;
+ }
- if (ibm->notify) {
- ret = setup_notify(ibm);
- if (ret == -ENODEV) {
- printk(IBM_NOTICE "disabling subdriver %s\n",
- ibm->name);
- ret = 0;
- goto err_out;
+ if (ibm->acpi->notify) {
+ ret = setup_acpi_notify(ibm);
+ if (ret == -ENODEV) {
+ printk(IBM_NOTICE "disabling subdriver %s\n",
+ ibm->name);
+ ret = 0;
+ goto err_out;
+ }
+ if (ret < 0)
+ goto err_out;
}
- if (ret < 0)
- goto err_out;
}
dbg_printk(TPACPI_DBG_INIT,
@@ -2761,9 +2785,9 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
}
entry->owner = THIS_MODULE;
entry->data = ibm;
- entry->read_proc = &dispatch_read;
+ entry->read_proc = &dispatch_procfs_read;
if (ibm->write)
- entry->write_proc = &dispatch_write;
+ entry->write_proc = &dispatch_procfs_write;
ibm->flags.proc_created = 1;
}
@@ -2786,12 +2810,15 @@ static void ibm_exit(struct ibm_struct *ibm)
list_del_init(&ibm->all_drivers);
- if (ibm->flags.notify_installed) {
+ if (ibm->flags.acpi_notify_installed) {
dbg_printk(TPACPI_DBG_EXIT,
"%s: acpi_remove_notify_handler\n", ibm->name);
- acpi_remove_notify_handler(*ibm->handle, ibm->type,
- dispatch_notify);
- ibm->flags.notify_installed = 0;
+ BUG_ON(!ibm->acpi);
+ acpi_remove_notify_handler(*ibm->acpi->handle,
+ ibm->acpi->type,
+ dispatch_acpi_notify);
+ ibm->flags.acpi_notify_installed = 0;
+ ibm->flags.acpi_notify_installed = 0;
}
if (ibm->flags.proc_created) {
@@ -2801,13 +2828,14 @@ static void ibm_exit(struct ibm_struct *ibm)
ibm->flags.proc_created = 0;
}
- if (ibm->flags.driver_registered) {
+ if (ibm->flags.acpi_driver_registered) {
dbg_printk(TPACPI_DBG_EXIT,
"%s: acpi_bus_unregister_driver\n", ibm->name);
- acpi_bus_unregister_driver(ibm->driver);
- kfree(ibm->driver);
- ibm->driver = NULL;
- ibm->flags.driver_registered = 0;
+ BUG_ON(!ibm->acpi);
+ acpi_bus_unregister_driver(ibm->acpi->driver);
+ kfree(ibm->acpi->driver);
+ ibm->acpi->driver = NULL;
+ ibm->flags.acpi_driver_registered = 0;
}
if (ibm->flags.init_called && ibm->exit) {
@@ -2860,7 +2888,7 @@ static int __init probe_for_thinkpad(void)
is_thinkpad = dmi_name_in_vendors("ThinkPad");
/* ec is required because many other handles are relative to it */
- IBM_HANDLE_INIT(ec);
+ IBM_ACPIHANDLE_INIT(ec);
if (!ec_handle) {
if (is_thinkpad)
printk(IBM_ERR
@@ -3016,12 +3044,12 @@ static int __init thinkpad_acpi_module_init(void)
return ret;
ibm_thinkpad_ec_found = check_dmi_for_ec();
- IBM_HANDLE_INIT(ecrd);
- IBM_HANDLE_INIT(ecwr);
+ IBM_ACPIHANDLE_INIT(ecrd);
+ IBM_ACPIHANDLE_INIT(ecwr);
- proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
+ proc_dir = proc_mkdir(IBM_PROC_DIR, acpi_root_dir);
if (!proc_dir) {
- printk(IBM_ERR "unable to create proc dir %s", IBM_DIR);
+ printk(IBM_ERR "unable to create proc dir " IBM_PROC_DIR);
thinkpad_acpi_module_exit();
return -ENODEV;
}
@@ -3053,10 +3081,9 @@ static void thinkpad_acpi_module_exit(void)
dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n");
if (proc_dir)
- remove_proc_entry(IBM_DIR, acpi_root_dir);
+ remove_proc_entry(IBM_PROC_DIR, acpi_root_dir);
- if (ibm_thinkpad_ec_found)
- kfree(ibm_thinkpad_ec_found);
+ kfree(ibm_thinkpad_ec_found);
}
module_init(thinkpad_acpi_module_init);
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index 4d3ab40..529528c 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -52,8 +52,9 @@
#define IBM_DESC "ThinkPad ACPI Extras"
#define IBM_FILE "thinkpad_acpi"
#define IBM_URL "http://ibm-acpi.sf.net/";
+#define IBM_MAIL "ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx"
-#define IBM_DIR "ibm"
+#define IBM_PROC_DIR "ibm"
#define IBM_ACPI_EVENT_PREFIX "ibm"
#define IBM_LOG IBM_FILE ": "
@@ -108,20 +109,21 @@ static acpi_handle ec_handle; /* EC */
static acpi_handle ecrd_handle, ecwr_handle; /* 570 EC access */
static acpi_handle cmos_handle, hkey_handle; /* basic thinkpad handles */
-static void ibm_handle_init(char *name,
+static void drv_acpi_handle_init(char *name,
acpi_handle *handle, acpi_handle parent,
char **paths, int num_paths, char **path);
-#define IBM_HANDLE_INIT(object) \
- ibm_handle_init(#object, &object##_handle, *object##_parent, \
+#define IBM_ACPIHANDLE_INIT(object) \
+ drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
/* procfs support */
static struct proc_dir_entry *proc_dir;
/* procfs helpers */
-static int dispatch_read(char *page, char **start, off_t off, int count,
- int *eof, void *data);
-static int dispatch_write(struct file *file, const char __user * userbuf,
+static int dispatch_procfs_read(char *page, char **start, off_t off,
+ int count, int *eof, void *data);
+static int dispatch_procfs_write(struct file *file,
+ const char __user * userbuf,
unsigned long count, void *data);
static char *next_cmd(char **cmds);
@@ -140,28 +142,34 @@ static void thinkpad_acpi_module_exit(void);
* Subdrivers
*/
-struct ibm_struct {
- char *name;
+struct ibm_struct;
+struct tp_acpi_drv_struct {
char *hid;
struct acpi_driver *driver;
- int (*read) (char *);
- int (*write) (char *);
- void (*exit) (void);
-
void (*notify) (struct ibm_struct *, u32);
acpi_handle *handle;
- int type;
+ u32 type;
struct acpi_device *device;
+};
+
+struct ibm_struct {
+ char *name;
+
+ int (*read) (char *);
+ int (*write) (char *);
+ void (*exit) (void);
struct list_head all_drivers;
+ struct tp_acpi_drv_struct *acpi;
+
struct {
- u8 driver_registered:1;
+ u8 acpi_driver_registered:1;
+ u8 acpi_notify_installed:1;
u8 proc_created:1;
u8 init_called:1;
- u8 notify_installed:1;
u8 experimental:1;
} flags;
};
--
1.5.2.rc0.34.gda94
-
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