update madwifi to latest trunk - performance enhancements
[openwrt.git] / package / madwifi / patches / 120-soc_fix.patch
1 diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath_ahb.c madwifi-ng-r2377-20070526.dev/ath/if_ath_ahb.c
2 --- madwifi-ng-r2377-20070526.old/ath/if_ath_ahb.c      2007-02-24 02:33:54.000000000 +0100
3 +++ madwifi-ng-r2377-20070526.dev/ath/if_ath_ahb.c      2007-05-26 18:51:09.112702200 +0200
4 @@ -274,12 +274,12 @@
5  }
6  
7  
8 +
9  static int
10 -exit_ath_wmac(u_int16_t wlanNum)
11 +exit_ath_wmac(u_int16_t wlanNum, struct ar531x_config *config)
12  {
13         struct ath_ahb_softc *sc = sclist[wlanNum];
14         struct net_device *dev;
15 -       const char *sysType;
16         u_int16_t devid;        
17  
18         if (sc == NULL)
19 @@ -289,13 +289,17 @@
20         ath_detach(dev);
21         if (dev->irq)
22                 free_irq(dev->irq, dev);
23 -       sysType = get_system_type();
24 -       if (!strcmp(sysType, "Atheros AR5315"))
25 +
26 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
27 +       devid = (u32) config->tag;
28 +#else
29 +       if (!strcmp(get_system_type(), "Atheros AR5315"))
30                 devid = (u_int16_t) (sysRegRead(AR5315_SREV) &
31                         (AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
32         else
33                 devid = (u_int16_t) ((sysRegRead(AR531X_REV) >> 8) & 
34                         (AR531X_REV_MAJ | AR531X_REV_MIN));
35 +#endif
36    
37         ahb_disable_wmac(devid, wlanNum);
38         free_netdev(dev);
39 @@ -401,7 +405,7 @@
40  
41  static int ahb_wmac_remove(struct platform_device *pdev)
42  {
43 -       exit_ath_wmac(pdev->id);
44 +       exit_ath_wmac(pdev->id, (struct ar531x_config *) pdev->dev.platform_data);
45  
46         return 0;
47  }
48 @@ -439,7 +443,7 @@
49                         (AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
50                 if (((devid & AR5315_REV_MAJ_M) == AR5315_REV_MAJ) ||
51                         ((devid & AR5315_REV_MAJ_M) == AR5317_REV_MAJ))
52 -                       return init_ath_wmac(devid, 0, &config);
53 +                       return init_ath_wmac(devid, 0);
54         }
55  
56         devid = (u_int16_t) ((sysRegRead(AR531X_REV) >>8) &
57 @@ -452,11 +456,11 @@
58                 ar5312BspEepromRead(2 * AR531X_RADIO_MASK_OFF, 2,
59                         (char *) &radioMask);
60                 if ((radioMask & AR531X_RADIO0_MASK) != 0)
61 -                       if ((ret = init_ath_wmac(devid, 0, &config)) !=0 )
62 +                       if ((ret = init_ath_wmac(devid, 0)) !=0 )
63                                 return ret;
64                 /* XXX: Fall through?! */
65         case AR5212_AR2313_REV8:
66 -               if ((ret = init_ath_wmac(devid, 1, &config)) != 0)
67 +               if ((ret = init_ath_wmac(devid, 1)) != 0)
68                         return ret;
69                 break;
70         default:
71 diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.dev/ath/if_ath.c
72 --- madwifi-ng-r2377-20070526.old/ath/if_ath.c  2007-05-26 18:51:09.019716336 +0200
73 +++ madwifi-ng-r2377-20070526.dev/ath/if_ath.c  2007-05-26 18:51:09.116701592 +0200
74 @@ -7636,9 +7636,24 @@
75                 DPRINTF(sc, ATH_DEBUG_RESET, "%s: beacon queue 0x%x\n",
76                         __func__, ath_hal_gettxbuf(ah, sc->sc_bhalq));
77                 for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
78 -                       if (ATH_TXQ_SETUP(sc, i))
79 +                       if (ATH_TXQ_SETUP(sc, i)) {
80                                 ath_tx_stopdma(sc, &sc->sc_txq[i]);
81 +
82 +                               /* The TxDMA may not really be stopped.
83 +                                * Double check the hal tx pending count */
84 +                               npend += ath_hal_numtxpending(ah, sc->sc_txq[i].axq_qnum);
85 +                       }
86         }
87 +       
88 +       if (npend) {
89 +               HAL_STATUS status;
90 +
91 +               /* TxDMA not stopped, reset the hal */
92 +               DPRINTF(sc, ATH_DEBUG_RESET, "%s: Unable to stop TxDMA. Reset HAL!\n", __func__);
93 +               if (!ath_hal_reset(ah, sc->sc_ic.ic_opmode, &sc->sc_curchan, AH_TRUE, &status))
94 +                       printk("%s: unable to reset hardware; hal status %u\n", __func__, status);
95 +       }
96 +
97         sc->sc_dev->trans_start = jiffies;
98         netif_start_queue(sc->sc_dev);          /* XXX move to callers */
99         for (i = 0; i < HAL_NUM_TX_QUEUES; i++)