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staging: brcm80211: remove flash related code from initvars_srom_pci() 

The function initvars_srom_pci() has fallback to obtain drivers settings
from flash when no srom device is present. However, this driver does not
support flash so the fallback code can be removed.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Arend van Spriel 2011-06-29 16:46:27 -07:00 committed by Greg Kroah-Hartman
parent 579c83f505
commit fb10e59111
1 changed files with 21 additions and 52 deletions
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73
drivers/staging/brcm80211/brcmsmac/srom.c
View File

@ -1212,14 +1212,10 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
u32 sr;
varbuf_t b;
char *vp, *base = NULL;
bool flash = false;
int err = 0;
/*
* Apply CRC over SROM content regardless SROM is present or not,
* and use variable <devpath>sromrev's existence in flash to decide
* if we should return an error when CRC fails or read SROM variables
* from flash.
* Apply CRC over SROM content regardless SROM is present or not.
*/
srom = kmalloc(SROM_MAX, GFP_ATOMIC);
if (!srom)
@ -1265,61 +1261,34 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
err = 1;
#endif
/*
* We want internal/wltest driver to come up with default
* sromvars so we can program a blank SPROM/OTP.
*/
if (err) {
char *value;
u32 val;
val = 0;
if (!err) {
/* Bitmask for the sromrev */
sr = 1 << sromrev;
value = ai_getdevpathvar(sih, "sromrev");
if (value) {
sromrev = (u8) simple_strtoul(value, NULL, 0);
flash = true;
goto varscont;
}
value = ai_getnvramflvar(sih, "sromrev");
if (value) {
err = 0;
/* srom version check: Current valid versions: 1, 2, 3, 4, 5, 8, 9 */
if ((sr & 0x33e) == 0) {
err = -2;
goto errout;
}
{
err = -1;
base = kmalloc(MAXSZ_NVRAM_VARS, GFP_ATOMIC);
if (!base) {
err = -2;
goto errout;
}
varbuf_init(&b, base, MAXSZ_NVRAM_VARS);
/* parse SROM into name=value pairs. */
_initvars_srom_pci(sromrev, srom, 0, &b);
/* final nullbyte terminator */
vp = b.buf;
*vp++ = '\0';
err = initvars_table(base, vp, vars, count);
}
varscont:
/* Bitmask for the sromrev */
sr = 1 << sromrev;
/* srom version check: Current valid versions: 1, 2, 3, 4, 5, 8, 9 */
if ((sr & 0x33e) == 0) {
err = -2;
goto errout;
}
base = kmalloc(MAXSZ_NVRAM_VARS, GFP_ATOMIC);
if (!base) {
err = -2;
goto errout;
}
varbuf_init(&b, base, MAXSZ_NVRAM_VARS);
/* parse SROM into name=value pairs. */
_initvars_srom_pci(sromrev, srom, 0, &b);
/* final nullbyte terminator */
vp = b.buf;
*vp++ = '\0';
err = initvars_table(base, vp, vars, count);
errout:
if (base)
kfree(base);