} else {
u_int inc = 1, card_offset, flags;
- if (addr > CISTPL_MAX_CIS_SIZE)
+ if (addr > CISTPL_MAX_CIS_SIZE) {
dev_dbg(&s->dev,
"attempt to read CIS mem at addr %#x", addr);
+ memset(ptr, 0xff, len);
+ return -1;
+ }
flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
if (attr) {
if (!s)
return -EINVAL;
- if (s->functions) {
+ if (s->functions || !(s->state & SOCKET_PRESENT)) {
WARN_ON(1);
return -EINVAL;
}
done:
/* invalidate CIS cache on failure */
if (!dev_ok || !ident_ok || !count) {
- mutex_lock(&s->ops_mutex);
- destroy_cis_cache(s);
- mutex_unlock(&s->ops_mutex);
- ret = -EIO;
+#if defined(CONFIG_MTD_PCMCIA_ANONYMOUS)
+ /* Set up as an anonymous card. If we don't have anonymous
+ memory support then just error the card as there is no
+ point trying to second guess.
+
+ Note: some cards have just a device entry, it may be
+ worth extending support to cover these in future */
+ if (!dev_ok || !ident_ok) {
+ dev_info(&s->dev, "no CIS, assuming an anonymous memory card.\n");
+ pcmcia_replace_cis(s, "\xFF", 1);
+ count = 1;
+ ret = 0;
+ } else
+#endif
+ {
+ mutex_lock(&s->ops_mutex);
+ destroy_cis_cache(s);
+ mutex_unlock(&s->ops_mutex);
+ ret = -EIO;
+ }
}
if (info)