staging: brcm80211: replace brcmu_bitcount with hweight8
The kernel provides bit operations to replace brcmu_bitcount so using those instead. Reported-by: Johannes Berg <johannes@sipsolutions.net> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -15,6 +15,7 @@
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*/
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/bitops.h>
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#include <brcm_hw_ids.h>
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#include <chipcommon.h>
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@ -2879,8 +2880,7 @@ void wlc_phy_stf_chain_init(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain)
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pi->sh->hw_phyrxchain = rxchain;
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pi->sh->phytxchain = txchain;
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pi->sh->phyrxchain = rxchain;
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pi->pubpi.phy_corenum = (u8) brcmu_bitcount((u8 *)&pi->sh->phyrxchain,
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sizeof(u8));
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pi->pubpi.phy_corenum = (u8)hweight8(pi->sh->phyrxchain);
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}
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void wlc_phy_stf_chain_set(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain)
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@ -2892,8 +2892,7 @@ void wlc_phy_stf_chain_set(struct brcms_phy_pub *pih, u8 txchain, u8 rxchain)
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if (ISNPHY(pi))
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wlc_phy_rxcore_setstate_nphy(pih, rxchain);
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pi->pubpi.phy_corenum = (u8) brcmu_bitcount((u8 *)&pi->sh->phyrxchain,
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sizeof(u8));
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pi->pubpi.phy_corenum = (u8)hweight8(pi->sh->phyrxchain);
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}
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void wlc_phy_stf_chain_get(struct brcms_phy_pub *pih, u8 *txchain, u8 *rxchain)
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@ -165,10 +165,10 @@ static int brcms_c_stf_txcore_set(struct brcms_c_info *wlc, u8 Nsts,
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BCMMSG(wlc->wiphy, "wl%d: Nsts %d core_mask %x\n",
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wlc->pub->unit, Nsts, core_mask);
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if (BRCMS_BITSCNT(core_mask) > wlc->stf->txstreams)
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if (hweight8(core_mask) > wlc->stf->txstreams)
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core_mask = 0;
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if ((BRCMS_BITSCNT(core_mask) == wlc->stf->txstreams) &&
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if ((hweight8(core_mask) == wlc->stf->txstreams) &&
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((core_mask & ~wlc->stf->txchain)
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|| !(core_mask & wlc->stf->txchain)))
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core_mask = wlc->stf->txchain;
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@ -278,7 +278,7 @@ int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force)
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* if nrate override is configured to be non-SISO STF mode, reject
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* reducing txchain to 1
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*/
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txstreams = (u8) BRCMS_BITSCNT(txchain);
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txstreams = (u8) hweight8(txchain);
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if (txstreams > MAX_STREAMS_SUPPORTED)
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return -EINVAL;
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@ -385,7 +385,7 @@ void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc)
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}
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wlc->stf->txchain = wlc->stf->hw_txchain;
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wlc->stf->txstreams = (u8) BRCMS_BITSCNT(wlc->stf->hw_txchain);
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wlc->stf->txstreams = (u8) hweight8(wlc->stf->hw_txchain);
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if (wlc->stf->hw_rxchain == 0 || wlc->stf->hw_rxchain == 0xf) {
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if (BRCMS_ISNPHY(wlc->band))
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@ -395,7 +395,7 @@ void brcms_c_stf_phy_chain_calc(struct brcms_c_info *wlc)
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}
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wlc->stf->rxchain = wlc->stf->hw_rxchain;
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wlc->stf->rxstreams = (u8) BRCMS_BITSCNT(wlc->stf->hw_rxchain);
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wlc->stf->rxstreams = (u8) hweight8(wlc->stf->hw_rxchain);
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/* initialize the txcore table */
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memcpy(wlc->stf->txcore, txcore_default, sizeof(wlc->stf->txcore));
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