staging: brcm80211: cleaned up softmac srom macro

Substituted macro.
Reported-by: NJohannes Berg <johannes@sipsolutions.net>
Reported-by: NJoe Perches <joe@perches.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NRoland Vossen <rvossen@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmsmac/srom.c

@@ -28,18 +28,6 @@
 #include "otp.h"
 #include "srom.h"
 
-#define SROM_OFFSET(sih) ((sih->ccrev > 31) ? \
-	(((sih->cccaps & CC_CAP_SROM) == 0) ? NULL : \
-	 ((u8 *)curmap + PCI_16KB0_CCREGS_OFFSET + CC_SROM_OTP)) : \
-	((u8 *)curmap + PCI_BAR0_SPROM_OFFSET))
-
-#if defined(BCMDBG)
-/* 500 ms after write enable/disable toggle */
-#define WRITE_ENABLE_DELAY	500
-/* 20 ms between each word write */
-#define WRITE_WORD_DELAY	20
-#endif
-
 /*
  * SROM CRC8 polynomial value:
  *
@@ -792,6 +780,16 @@ static const struct brcms_sromvar perpath_pci_sromvars[] = {
 
 static u8 srom_crc8_table[CRC8_TABLE_SIZE];
 
+static u16 *srom_window_address(struct si_pub *sih, u8 *curmap)
+{
+	if (sih->ccrev < 32)
+		return (u16 *)(curmap + PCI_BAR0_SPROM_OFFSET);
+	if (sih->cccaps & CC_CAP_SROM)
+		return (u16 *)(curmap + PCI_16KB0_CCREGS_OFFSET + CC_SROM_OTP);
+
+	return NULL;
+}
+
 /* Parse SROM and create name=value pairs. 'srom' points to
  * the SROM word array. 'off' specifies the offset of the
  * first word 'srom' points to, which should be either 0 or
@@ -1147,7 +1145,7 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
 	if (!srom)
 		return -ENOMEM;
 
-	sromwindow = (u16 *) SROM_OFFSET(sih);
+	sromwindow = srom_window_address(sih, curmap);
 
 	crc8_populate_lsb(srom_crc8_table, SROM_CRC8_POLY);
 	if (ai_is_sprom_available(sih)) {