diff options
author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-09-20 07:36:44 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-23 21:15:13 +0200 |
commit | 72b0a6503f8519980a4734bcdbb35a9ec6cd6347 (patch) | |
tree | 12513db7ebad9cbe7ad92b0de96922e8bef7b763 /drivers/base | |
parent | 33a8fa16c68139c50e839f647cc0b34250c75193 (diff) | |
download | barebox-72b0a6503f8519980a4734bcdbb35a9ec6cd6347.tar.gz barebox-72b0a6503f8519980a4734bcdbb35a9ec6cd6347.tar.xz |
driver: register bus
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/Makefile | 1 | ||||
-rw-r--r-- | drivers/base/bus.c | 34 | ||||
-rw-r--r-- | drivers/base/platform.c | 14 |
3 files changed, 39 insertions, 10 deletions
diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 957ca5ac2a..e1f1c7a0ad 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -1,3 +1,4 @@ +obj-y += bus.o obj-y += driver.o obj-y += platform.o obj-y += resource.o diff --git a/drivers/base/bus.c b/drivers/base/bus.c new file mode 100644 index 0000000000..f80363d5a7 --- /dev/null +++ b/drivers/base/bus.c @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * Under GPLv2 + */ + +#include <common.h> +#include <driver.h> +#include <errno.h> + +LIST_HEAD(bus_list); +EXPORT_SYMBOL(bus_list); + +struct bus_type *get_bus_by_name(const char *name) +{ + struct bus_type *bus; + + for_each_bus(bus) { + if(!strcmp(bus->name, name)) + return bus; + } + + return NULL; +} + +int bus_register(struct bus_type *bus) +{ + if (get_bus_by_name(bus->name)) + return -EEXIST; + + list_add_tail(&bus->list, &bus_list); + + return 0; +} diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 9b0b1cc673..8c80e8e26d 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -22,6 +22,7 @@ #include <common.h> #include <driver.h> #include <errno.h> +#include <init.h> static int platform_match(struct device_d *dev, struct driver_d *drv) { @@ -64,15 +65,8 @@ struct bus_type platform_bus = { .remove = platform_remove, }; -#if 0 -LIST_HEAD(bus_list); -EXPORT_SYMBOL(bus_list); - -int bus_register(struct bus_type *bus) +static int plarform_init(void) { - list_add_tail(&bus->list, &bus_list); - - return 0; + return bus_register(&platform_bus); } -#endif - +pure_initcall(plarform_init); |