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bcma: add extra sprom check

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This check is needed on the BCM43224 device as it says in the
capabilities it has an sprom but is extra check says it has not.

Signed-off-by: Hauke Mehrtens <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Hauke Mehrtens 2012-01-31 00:03:37 +01:00 • committed by John W. Linville
commit d6865dcc58
2 changed files with 23 additions and 0 deletions
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7
drivers/bcma/sprom.c
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@ -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)