X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fuwb%2Freset.c;h=70f8050221ff5efe5d0e733541f2465e63b41ee0;hb=84ef1ecfdea2f9f1e740a4bee0fa9cd629bdda70;hp=8de856fa795871f0e821c97193d519e6aa7f5ae2;hpb=ef71b1b87521ff93ed77b3e8f3e149afb392761c;p=linux-2.6-omap-h63xx.git diff --git a/drivers/uwb/reset.c b/drivers/uwb/reset.c index 8de856fa795..70f8050221f 100644 --- a/drivers/uwb/reset.c +++ b/drivers/uwb/reset.c @@ -32,8 +32,6 @@ #include #include "uwb-internal.h" -#define D_LOCAL 0 -#include /** * Command result codes (WUSB1.0[T8-69]) @@ -323,17 +321,16 @@ int uwbd_msg_handle_reset(struct uwb_event *evt) struct uwb_rc *rc = evt->rc; int ret; - /* Need to prevent the RC hardware module going away while in - the rc->reset() call. */ - if (!try_module_get(rc->owner)) - return 0; - dev_info(&rc->uwb_dev.dev, "resetting radio controller\n"); ret = rc->reset(rc); - if (ret) + if (ret) { dev_err(&rc->uwb_dev.dev, "failed to reset hardware: %d\n", ret); - - module_put(rc->owner); + goto error; + } + return 0; +error: + /* Nothing can be done except try the reset again. */ + uwb_rc_reset_all(rc); return ret; } @@ -360,3 +357,33 @@ void uwb_rc_reset_all(struct uwb_rc *rc) uwbd_event_queue(evt); } EXPORT_SYMBOL_GPL(uwb_rc_reset_all); + +void uwb_rc_pre_reset(struct uwb_rc *rc) +{ + rc->stop(rc); + uwbd_flush(rc); + + uwb_radio_reset_state(rc); + uwb_rsv_remove_all(rc); +} +EXPORT_SYMBOL_GPL(uwb_rc_pre_reset); + +void uwb_rc_post_reset(struct uwb_rc *rc) +{ + int ret; + + ret = rc->start(rc); + if (ret) + goto error; + ret = uwb_rc_mac_addr_set(rc, &rc->uwb_dev.mac_addr); + if (ret) + goto error; + ret = uwb_rc_dev_addr_set(rc, &rc->uwb_dev.dev_addr); + if (ret) + goto error; + return; +error: + /* Nothing can be done except try the reset again. */ + uwb_rc_reset_all(rc); +} +EXPORT_SYMBOL_GPL(uwb_rc_post_reset);