From c261bdf8acad56717cae233709808d8d9291ce36 Mon Sep 17 00:00:00 2001 From: Roland Vossen Date: Tue, 18 Oct 2011 14:03:04 +0200 Subject: [PATCH] brcm80211: smac: indicate severe problems to Mac80211 In case the hardware crashes, a reinitialization internal to the driver was performed. Since Mac80211 must be in the know of such an event as well, ieee80211_restart_hw() is now called. Reviewed-by: Alwin Beukers Reviewed-by: Arend van Spriel Signed-off-by: Roland Vossen Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- .../net/wireless/brcm80211/brcmsmac/mac80211_if.c | 8 ++++++++ .../net/wireless/brcm80211/brcmsmac/mac80211_if.h | 1 + drivers/net/wireless/brcm80211/brcmsmac/main.c | 14 +++----------- 3 files changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 538b504f9bd..7a24a831444 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -1334,6 +1334,14 @@ uint brcms_reset(struct brcms_info *wl) return 0; } +void brcms_fatal_error(struct brcms_info *wl) +{ + wiphy_err(wl->wlc->wiphy, "wl%d: fatal error, reinitializing\n", + wl->wlc->pub->unit); + brcms_reset(wl); + ieee80211_restart_hw(wl->pub->ieee_hw); +} + /* * These are interrupt on/off entry points. Disable interrupts * during interrupt state transition. diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h index 177f0e44e4b..5c279c0a898 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h @@ -104,5 +104,6 @@ extern bool brcms_del_timer(struct brcms_timer *timer); extern void brcms_msleep(struct brcms_info *wl, uint ms); extern void brcms_dpc(unsigned long data); extern void brcms_timer(struct brcms_timer *t); +extern void brcms_fatal_error(struct brcms_info *wl); #endif /* _BRCM_MAC80211_IF_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 84f32b66474..2e1a20be556 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -2301,13 +2301,6 @@ void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type) wlc_phy_antsel_type_set(wlc_hw->band->pi, antsel_type); } -static void brcms_c_fatal_error(struct brcms_c_info *wlc) -{ - wiphy_err(wlc->wiphy, "wl%d: fatal error, reinitializing\n", - wlc->pub->unit); - brcms_init(wlc->wl); -} - static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw) { bool fatal = false; @@ -2363,7 +2356,7 @@ static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw) } if (fatal) { - brcms_c_fatal_error(wlc_hw->wlc); /* big hammer */ + brcms_fatal_error(wlc_hw->wlc->wl); /* big hammer */ break; } else W_REG(®s->intctrlregs[idx].intstatus, @@ -8397,8 +8390,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n", __func__, wlc_hw->sih->chip, wlc_hw->sih->chiprev); - /* big hammer */ - brcms_init(wlc->wl); + brcms_fatal_error(wlc_hw->wlc->wl); } /* gptimer timeout */ @@ -8419,7 +8411,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) return wlc->macintstatus != 0; fatal: - brcms_init(wlc->wl); + brcms_fatal_error(wlc_hw->wlc->wl); return wlc->macintstatus != 0; } -- 2.41.0