brcm80211: smac: change ai_attach interface taking a bcma_bus object

The ai_attach now takes a bcma_bus object as its parameter to
obtain all required information needed for chip control.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 14 insertions, 11 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
index 5c7311934f63..c1e4f35f2955 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -1022,22 +1022,25 @@ static __used void ai_nvram_process(struct si_info *sii)
 }
 
 static struct si_info *ai_doattach(struct si_info *sii,
-                                   void __iomem *regs, struct pci_dev *pbus)
+                                   struct bcma_bus *pbus)
 {
+        void __iomem *regs = pbus->mmio;
         struct si_pub *sih = &sii->pub;
         u32 w, savewin;
         struct chipcregs __iomem *cc;
         uint socitype;
         uint origidx;
 
+        /* assume the window is looking at chipcommon */
+        WARN_ON(pbus->mapped_core->id.id != BCMA_CORE_CHIPCOMMON);
         memset((unsigned char *) sii, 0, sizeof(struct si_info));
 
         savewin = 0;
 
+        sii->icbus = pbus;
         sii->buscoreidx = BADIDX;
-
         sii->curmap = regs;
-        sii->pcibus = pbus;
+        sii->pcibus = pbus->host_pci;
 
         /* find Chipcommon address */
         pci_read_config_dword(sii->pcibus, PCI_BAR0_WIN, &savewin);
@@ -1160,13 +1163,10 @@ static struct si_info *ai_doattach(struct si_info *sii,
 }
 
 /*
- * Allocate a si handle.
- * devid - pci device id (used to determine chip#)
- * osh - opaque OS handle
- * regs - virtual address of initial core registers
+ * Allocate a si handle and do the attach.
  */
 struct si_pub *
-ai_attach(void __iomem *regs, struct pci_dev *sdh)
+ai_attach(struct bcma_bus *pbus)
 {
         struct si_info *sii;
 
@@ -1175,7 +1175,7 @@ ai_attach(void __iomem *regs, struct pci_dev *sdh)
         if (sii == NULL)
                 return NULL;
 
-        if (ai_doattach(sii, regs, sdh) == NULL) {
+        if (ai_doattach(sii, pbus) == NULL) {
                 kfree(sii);
                 return NULL;
         }
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
index 0a8e2f735956..1e93599b6047 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h
@@ -17,6 +17,8 @@
 #ifndef _BRCM_AIUTILS_H_
 #define _BRCM_AIUTILS_H_
 
+#include <linux/bcma/bcma.h>
+
 #include "types.h"
 
 /*
@@ -170,6 +172,7 @@ struct gpioh_item {
 /* misc si info needed by some of the routines */
 struct si_info {
         struct si_pub pub;      /* back plane public state (must be first) */
+        struct bcma_bus *icbus; /* handle to soc interconnect bus */
         struct pci_dev *pcibus; /* handle to pci bus */
         uint dev_coreid;        /* the core provides driver functions */
         void *intr_arg;         /* interrupt callback function arg */
@@ -235,7 +238,7 @@ extern u32 ai_addrspacesize(struct si_pub *sih, uint asidx);
 extern void ai_write_wrap_reg(struct si_pub *sih, u32 offset, u32 val);
 
 /* === exported functions === */
-extern struct si_pub *ai_attach(void __iomem *regs, struct pci_dev *sdh);
+extern struct si_pub *ai_attach(struct bcma_bus *pbus);
 extern void ai_detach(struct si_pub *sih);
 extern uint ai_coreid(struct si_pub *sih);
 extern uint ai_corerev(struct si_pub *sih);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index d329c900be79..73bc0ab78320 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -4469,7 +4469,7 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core,
          * Do the hardware portion of the attach. Also initialize software
          * state that depends on the particular hardware we are running.
          */
-        wlc_hw->sih = ai_attach(core->bus->mmio, core->bus->host_pci);
+        wlc_hw->sih = ai_attach(core->bus);
         if (wlc_hw->sih == NULL) {
                 wiphy_err(wiphy, "wl%d: brcms_b_attach: si_attach failed\n",
                           unit);