staging: brcm80211: removed synchronisation of wlc->machwcap field

- removed copying field wlc->machwcap from brcms_hardware to brcms_c_info
  during module attach.
- field wlc->machwcap was written but never read. Therefore it was removed.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/brcmsmac/main.c b/drivers/staging/brcm80211/brcmsmac/main.c
index 175d85e..0656d99 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/main.c
+++ b/drivers/staging/brcm80211/brcmsmac/main.c
@@ -390,13 +390,6 @@ static int brcms_chspec_bw(u16 chanspec)
        return BRCMS_10_MHZ;
 }
 
-/* dup state between BMAC(struct brcms_hardware) and HIGH(struct brcms_c_info)
-   driver */
-struct brcms_b_state {
-       u32 machwcap;   /* mac hw capibility */
-       u32 preamble_ovr;       /* preamble override */
-};
-
 struct edcf_acparam {
        u8 ACI;
        u8 ECW;
@@ -1168,14 +1161,6 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
        return wlc->macintstatus != 0;
 }
 
-static int brcms_b_state_get(struct brcms_hardware *wlc_hw,
-                     struct brcms_b_state *state)
-{
-       state->machwcap = wlc_hw->machwcap;
-
-       return 0;
-}
-
 /* set initial host flags value */
 static void
 brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init)
@@ -4534,20 +4519,6 @@ void brcms_c_info_init(struct brcms_c_info *wlc, int unit)
        wlc->mpc_delay_off = wlc->mpc_dlycnt = BRCMS_MPC_MIN_DELAYCNT;
 }
 
-static bool brcms_c_state_bmac_sync(struct brcms_c_info *wlc)
-{
-       struct brcms_b_state state_bmac = {0};
-
-       if (brcms_b_state_get(wlc->hw, &state_bmac) != 0)
-               return false;
-
-       wlc->machwcap = state_bmac.machwcap;
-       brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR,
-                          (s8) state_bmac.preamble_ovr);
-
-       return true;
-}
-
 static uint brcms_c_attach_module(struct brcms_c_info *wlc)
 {
        uint err = 0;
@@ -5151,15 +5122,7 @@ brcms_c_attach(struct brcms_info *wl, u16 vendor, u16 device, uint unit,
        if (err)
                goto fail;
 
-       /*
-        * for some states, due to different info pointer(e,g, wlc, wlc_hw) or
-        * master/slave split, HIGH driver(both monolithic and HIGH_ONLY) needs
-        * to sync states FROM BMAC portion driver
-        */
-       if (!brcms_c_state_bmac_sync(wlc)) {
-               err = 20;
-               goto fail;
-       }
+       brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR, OFF);
 
        pub->phy_11ncapable = BRCMS_PHY_11N_CAP(wlc->band);
 

diff --git a/drivers/staging/brcm80211/brcmsmac/main.h b/drivers/staging/brcm80211/brcmsmac/main.h
index 99d5c60..441292a 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/main.h
+++ b/drivers/staging/brcm80211/brcmsmac/main.h
@@ -519,8 +519,6 @@ struct brcms_c_info {
        u16 deviceid;
        uint ucode_rev;
 
-       u32 machwcap;
-
        u8 perm_etheraddr[ETH_ALEN];
 
        bool bandlocked;