diff options
author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-08-31 04:24:55 +0200 |
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committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-08-31 04:24:55 +0200 |
commit | c1de7a6daf9c657484e1c6d433f01fccd49a7f48 (patch) | |
tree | 7d73ef79e8208b3ac21de13a4a4e968dbf0e6e19 /common/devices.c | |
parent | ef0255fc75f28655f9681422079287d68a14dbaa (diff) |
devices: merge to list_head
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'common/devices.c')
-rw-r--r-- | common/devices.c | 79 |
1 files changed, 43 insertions, 36 deletions
diff --git a/common/devices.c b/common/devices.c index 9cc963ac20..2977436420 100644 --- a/common/devices.c +++ b/common/devices.c @@ -36,7 +36,7 @@ DECLARE_GLOBAL_DATA_PTR; -list_t devlist = 0; +static device_t devs; device_t *stdio_devices[] = { NULL, NULL, NULL }; char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; @@ -48,18 +48,18 @@ char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; #ifdef CFG_DEVICE_NULLDEV void nulldev_putc(const char c) { - /* nulldev is empty! */ + /* nulldev is empty! */ } void nulldev_puts(const char *s) { - /* nulldev is empty! */ + /* nulldev is empty! */ } int nulldev_input(void) { - /* nulldev is empty! */ - return 0; + /* nulldev is empty! */ + return 0; } #endif @@ -108,10 +108,32 @@ static void drv_system_init (void) * DEVICES ************************************************************************** */ +struct list_head* device_get_list(void) +{ + return &(devs.list); +} + +device_t* device_get_by_name(char* name) +{ + struct list_head *pos; + device_t *dev; + + if(!name) + return NULL; + + list_for_each(pos, &(devs.list)) { + dev = list_entry(pos, device_t, list); + if(strcmp(dev->name, name) == 0) + return dev; + } + + return NULL; +} + int device_register (device_t * dev) { - ListInsertItem (devlist, dev, LIST_END); + list_add(&(dev->list), &(devs.list)); return 0; } @@ -121,20 +143,15 @@ int device_register (device_t * dev) #ifdef CFG_DEVICE_DEREGISTER int device_deregister(char *devname) { - int i,l,dev_index; - device_t *dev = NULL; + int l; + struct list_head *pos; + device_t *dev; char temp_names[3][8]; - dev_index = -1; - for (i=1; i<=ListNumItems(devlist); i++) { - dev = ListGetPtrToItem (devlist, i); - if(strcmp(dev->name,devname)==0) { - dev_index=i; - break; - } - } - if(dev_index<0) /* device not found */ - return 0; + dev = device_get_by_name(devname); + + if(!dev) /* device not found */ + return -1; /* get stdio devices (ListRemoveItem changes the dev list) */ for (l=0 ; l< MAX_FILES; l++) { if (stdio_devices[l] == dev) { @@ -145,14 +162,15 @@ int device_deregister(char *devname) stdio_devices[l]->name, sizeof(stdio_devices[l]->name)); } - ListRemoveItem(devlist,NULL,dev_index); + + list_del(&(dev->list)); + /* reassign Device list */ - for (i=1; i<=ListNumItems(devlist); i++) { - dev = ListGetPtrToItem (devlist, i); + list_for_each(pos, &(devs.list)) { + dev = list_entry(pos, device_t, list); for (l=0 ; l< MAX_FILES; l++) { - if(strcmp(dev->name,temp_names[l])==0) { + if(strcmp(dev->name, temp_names[l]) == 0) stdio_devices[l] = dev; - } } } return 0; @@ -161,7 +179,7 @@ int device_deregister(char *devname) int devices_init (void) { -#ifndef CONFIG_ARM /* already relocated for current ARM implementation */ +#ifndef CONFIG_ARM /* already relocated for current ARM implementation */ ulong relocation_offset = gd->reloc_off; int i; @@ -173,12 +191,8 @@ int devices_init (void) #endif /* Initialize the list */ - devlist = ListCreate (sizeof (device_t)); + INIT_LIST_HEAD(&(devs.list)); - if (devlist == NULL) { - eputs ("Cannot initialize the list of devices!\n"); - return -1; - } #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); #endif @@ -207,10 +221,3 @@ int devices_init (void) return (0); } - -int devices_done (void) -{ - ListDispose (devlist); - - return 0; -} |