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path: root/drivers/bcma/sprom.c
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Diffstat (limited to 'drivers/bcma/sprom.c')
-rw-r--r--drivers/bcma/sprom.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index e35134f724f6..ca7752510d5b 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -250,6 +250,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
{
u16 offset;
u16 *sprom;
+ u32 sromctrl;
int err = 0;
if (!bus->drv_cc.core)
@@ -258,6 +259,12 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
return -ENOENT;
+ if (bus->drv_cc.core->id.rev >= 32) {
+ sromctrl = bcma_read32(bus->drv_cc.core, BCMA_CC_SROM_CONTROL);
+ if (!(sromctrl & BCMA_CC_SROM_CONTROL_PRESENT))
+ return -ENOENT;
+ }
+
sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
GFP_KERNEL);
if (!sprom)