brcmsmac: use container_of instead of cast

Now "struct si_pub pub" does not have to be the first member in struct
si_info any more, if it is the resulting code after compilation should
be the same.

Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
index 339e533..2a77698 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -582,7 +582,7 @@ void ai_detach(struct si_pub *sih)
        struct si_pub *si_local = NULL;
        memcpy(&si_local, &sih, sizeof(struct si_pub **));
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        if (sii == NULL)
                return;
@@ -597,7 +597,7 @@ struct bcma_device *ai_findcore(struct si_pub *sih, u16 coreid, u16 coreunit)
        struct si_info *sii;
        uint found;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        found = 0;
 
@@ -620,7 +620,7 @@ uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val)
        u32 w;
        struct si_info *sii;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
        cc = sii->icbus->drv_cc.core;
 
        /* mask and set */
@@ -713,7 +713,7 @@ u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih)
        uint slowminfreq;
        u16 fpdelay;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
        if (ai_get_cccaps(sih) & CC_CAP_PMU) {
                fpdelay = si_pmu_fast_pwrup_delay(sih);
                return fpdelay;
@@ -745,7 +745,7 @@ bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode)
        struct si_info *sii;
        struct bcma_device *cc;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        cc = ai_findcore(&sii->pub, BCMA_CORE_CHIPCOMMON, 0);
        bcma_core_set_clockmode(cc, mode);
@@ -756,7 +756,7 @@ void ai_pci_up(struct si_pub *sih)
 {
        struct si_info *sii;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
                bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, true);
@@ -767,7 +767,7 @@ void ai_pci_down(struct si_pub *sih)
 {
        struct si_info *sii;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI)
                bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, false);
@@ -790,7 +790,7 @@ bool ai_deviceremoved(struct si_pub *sih)
        u32 w;
        struct si_info *sii;
 
-       sii = (struct si_info *)sih;
+       sii = container_of(sih, struct si_info, pub);
 
        if (sii->icbus->hosttype != BCMA_HOSTTYPE_PCI)
                return false;