From be2fee08bb876bd8156d5f0c3e2b2a6ae8885b97 Mon Sep 17 00:00:00 2001 From: Roland Vossen Date: Tue, 3 May 2011 11:35:27 +0200 Subject: [PATCH] staging: brcm80211: removed remaining ASSERTs from phy Partially deleted, partially replaced by WARN_ON to indicate hardware failure to the user. Cc: devel@linuxdriverproject.org Cc: linux-wireless@vger.kernel.org Cc: Brett Rudley Cc: Henry Ptasinski Cc: Roland Vossen Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- .../brcm80211/brcmsmac/phy/wlc_phy_cmn.c | 43 ++++--------------- .../brcm80211/brcmsmac/phy/wlc_phy_n.c | 41 ++++++++++-------- 2 files changed, 30 insertions(+), 54 deletions(-) diff --git a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c index 8fb3e0486f70..ff8bd4efb240 100644 --- a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c +++ b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c @@ -389,16 +389,6 @@ void write_phy_channel_reg(phy_info_t *pi, uint val) W_REG(&pi->regs->phychannel, val); } -#if defined(BCMDBG) -static bool wlc_phy_war41476(phy_info_t *pi) -{ - u32 mc = R_REG(&pi->regs->maccontrol); - - return ((mc & MCTL_EN_MAC) == 0) - || ((mc & MCTL_PHYLOCK) == MCTL_PHYLOCK); -} -#endif - u16 read_phy_reg(phy_info_t *pi, u16 addr) { d11regs_t *regs; @@ -410,10 +400,6 @@ u16 read_phy_reg(phy_info_t *pi, u16 addr) (void)R_REG(®s->phyregaddr); #endif - ASSERT(! - (D11REV_IS(pi->sh->corerev, 11) - || D11REV_IS(pi->sh->corerev, 12)) || wlc_phy_war41476(pi)); - pi->phy_wreg = 0; return R_REG(®s->phyregdata); } @@ -453,10 +439,6 @@ void and_phy_reg(phy_info_t *pi, u16 addr, u16 val) (void)R_REG(®s->phyregaddr); #endif - ASSERT(! - (D11REV_IS(pi->sh->corerev, 11) - || D11REV_IS(pi->sh->corerev, 12)) || wlc_phy_war41476(pi)); - W_REG(®s->phyregdata, (R_REG(®s->phyregdata) & val)); pi->phy_wreg = 0; } @@ -472,10 +454,6 @@ void or_phy_reg(phy_info_t *pi, u16 addr, u16 val) (void)R_REG(®s->phyregaddr); #endif - ASSERT(! - (D11REV_IS(pi->sh->corerev, 11) - || D11REV_IS(pi->sh->corerev, 12)) || wlc_phy_war41476(pi)); - W_REG(®s->phyregdata, (R_REG(®s->phyregdata) | val)); pi->phy_wreg = 0; } @@ -491,10 +469,6 @@ void mod_phy_reg(phy_info_t *pi, u16 addr, u16 mask, u16 val) (void)R_REG(®s->phyregaddr); #endif - ASSERT(! - (D11REV_IS(pi->sh->corerev, 11) - || D11REV_IS(pi->sh->corerev, 12)) || wlc_phy_war41476(pi)); - W_REG(®s->phyregdata, ((R_REG(®s->phyregdata) & ~mask) | (val & mask))); pi->phy_wreg = 0; @@ -956,17 +930,16 @@ void WLBANDINITFN(wlc_phy_init) (wlc_phy_t *pih, chanspec_t chanspec) pi->radio_chanspec = chanspec; mc = R_REG(&pi->regs->maccontrol); - if ((mc & MCTL_EN_MAC) != 0) { - ASSERT((const char *) - "wlc_phy_init: Called with the MAC running!" == NULL); - } + if (WARN(mc & MCTL_EN_MAC, "HW error MAC running on init")) + return; if (!(pi->measure_hold & PHY_HOLD_FOR_SCAN)) { pi->measure_hold |= PHY_HOLD_FOR_NOT_ASSOC; } - if (D11REV_GE(pi->sh->corerev, 5)) - ASSERT(ai_core_sflags(pi->sh->sih, 0, 0) & SISF_FCLKA); + if (WARN(!(ai_core_sflags(pi->sh->sih, 0, 0) & SISF_FCLKA), + "HW error SISF_FCLKA\n")) + return; phy_init = pi->pi_fptr.init; @@ -1004,7 +977,9 @@ void wlc_phy_cal_init(wlc_phy_t *pih) phy_info_t *pi = (phy_info_t *) pih; initfn_t cal_init = NULL; - ASSERT((R_REG(&pi->regs->maccontrol) & MCTL_EN_MAC) == 0); + if (WARN((R_REG(&pi->regs->maccontrol) & MCTL_EN_MAC) != 0, + "HW error: MAC enabled during phy cal\n")) + return; if (!pi->initialized) { cal_init = pi->pi_fptr.calinit; @@ -1226,8 +1201,6 @@ void wlc_phy_do_dummy_tx(phy_info_t *pi, bool ofdm, bool pa_on) }; u32 *dummypkt; - ASSERT((R_REG(&pi->regs->maccontrol) & MCTL_EN_MAC) == 0); - dummypkt = (u32 *) (ofdm ? ofdmpkt : cckpkt); wlapi_bmac_write_template_ram(pi->sh->physhim, 0, DUMMY_PKT_LEN, dummypkt); diff --git a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c index c5512eb7e2f4..34a7b4e412b0 100644 --- a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c +++ b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c @@ -14950,8 +14950,6 @@ static void wlc_phy_resetcca_nphy(phy_info_t *pi) { u16 val; - ASSERT(0 == (R_REG(&pi->regs->maccontrol) & MCTL_EN_MAC)); - wlapi_bmac_phyclk_fgc(pi->sh->physhim, ON); val = read_phy_reg(pi, 0x01); @@ -17403,8 +17401,10 @@ static void wlc_phy_radio_postinit_2055(phy_info_t *pi) SPINWAIT(((read_radio_reg(pi, RADIO_2055_CAL_COUNTER_OUT2) & RADIO_2055_RCAL_DONE) != RADIO_2055_RCAL_DONE), 2000); - ASSERT((read_radio_reg(pi, RADIO_2055_CAL_COUNTER_OUT2) & - RADIO_2055_RCAL_DONE) == RADIO_2055_RCAL_DONE); + if (WARN((read_radio_reg(pi, RADIO_2055_CAL_COUNTER_OUT2) & + RADIO_2055_RCAL_DONE) != RADIO_2055_RCAL_DONE, + "HW error: radio calibration1\n")) + return; and_radio_reg(pi, RADIO_2055_CAL_LPO_CNTRL, ~(RADIO_2055_CAL_LPO_ENABLE)); @@ -18253,7 +18253,9 @@ static u16 wlc_phy_radio205x_rcal(phy_info_t *pi) udelay(100); } - ASSERT(i < MAX_205x_RCAL_WAITLOOPS); + if (WARN(i == MAX_205x_RCAL_WAITLOOPS, + "HW error: radio calib2")) + return 0; mod_radio_reg(pi, RADIO_2057_RCAL_CONFIG, 0x2, 0x0); @@ -18302,7 +18304,9 @@ static u16 wlc_phy_radio205x_rcal(phy_info_t *pi) udelay(100); } - ASSERT(i < MAX_205x_RCAL_WAITLOOPS); + if (WARN(i == MAX_205x_RCAL_WAITLOOPS, + "HW error: radio calib3")) + return 0; write_radio_reg(pi, RADIO_2056_SYN_RCAL_MASTER | RADIO_2056_SYN, 0x1); @@ -18549,8 +18553,6 @@ static u16 wlc_phy_radio2057_rccal(phy_info_t *pi) udelay(500); } - ASSERT(rccal_valid & 0x2); - write_radio_reg(pi, RADIO_2057_RCCAL_START_R1_Q1_P1, 0x15); rccal_valid = 0; @@ -18573,8 +18575,6 @@ static u16 wlc_phy_radio2057_rccal(phy_info_t *pi) udelay(500); } - ASSERT(rccal_valid & 0x2); - write_radio_reg(pi, RADIO_2057_RCCAL_START_R1_Q1_P1, 0x15); rccal_valid = 0; @@ -18598,7 +18598,8 @@ static u16 wlc_phy_radio2057_rccal(phy_info_t *pi) udelay(500); } - ASSERT(rccal_valid & 0x2); + if (WARN(!(rccal_valid & 0x2), "HW error: radio calib4")) + return 0; write_radio_reg(pi, RADIO_2057_RCCAL_START_R1_Q1_P1, 0x15); @@ -19676,8 +19677,7 @@ void wlc_phy_force_rfseq_nphy(phy_info_t *pi, u8 cmd) or_phy_reg(pi, 0xa3, trigger_mask); SPINWAIT((read_phy_reg(pi, 0xa4) & status_mask), 200000); write_phy_reg(pi, 0xa1, orig_RfseqCoreActv); - - ASSERT((read_phy_reg(pi, 0xa4) & status_mask) == 0); + WARN(read_phy_reg(pi, 0xa4) & status_mask, "HW error in rf"); } static void @@ -21557,8 +21557,9 @@ wlc_phy_rfctrlintc_override_nphy(phy_info_t *pi, u8 field, u16 value, SPINWAIT(((read_phy_reg(pi, 0x78) & val) != 0), 10000); - ASSERT((read_phy_reg(pi, 0x78) & val) == - 0); + if (WARN(read_phy_reg(pi, 0x78) & val, + "HW error: override failed")) + return; mask = (0x1 << 0); val = 0 << 0; @@ -24321,7 +24322,9 @@ wlc_phy_cal_txiqlo_nphy(phy_info_t *pi, nphy_txgains_t target_gain, SPINWAIT(((read_phy_reg(pi, 0xc0) & 0xc000) != 0), 20000); - ASSERT((read_phy_reg(pi, 0xc0) & 0xc000) == 0); + if (WARN(read_phy_reg(pi, 0xc0) & 0xc000, + "HW error: txiq calib")) + return -EIO; wlc_phy_table_read_nphy(pi, NPHY_TBL_ID_IQLOCAL, tbl_len, 96, 16, tbl_buf); @@ -24502,7 +24505,9 @@ wlc_phy_rx_iq_est_nphy(phy_info_t *pi, phy_iq_est_t *est, u16 num_samps, SPINWAIT(((read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart) != 0), 10000); - ASSERT((read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart) == 0); + if (WARN(read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart, + "HW error: rxiq est")) + return; if ((read_phy_reg(pi, 0x129) & NPHY_IqestCmd_iqstart) == 0) { for (core = 0; core < pi->pubpi.phy_corenum; core++) { @@ -29125,8 +29130,6 @@ void wlc_phy_stay_in_carriersearch_nphy(phy_info_t *pi, bool enable) { u16 clip_off[] = { 0xffff, 0xffff }; - ASSERT(0 == (R_REG(&pi->regs->maccontrol) & MCTL_EN_MAC)); - if (enable) { if (pi->nphy_deaf_count == 0) { pi->classifier_state = -- 2.39.5