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Sometimes the PCIe card indicates that it has a sprom somewhere and we are able to read the memory region, but it is empty and not valid. In these cases we should try to use the fallback sprom as a last chance. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33601 3c298f89-4303-0410-b956-a3cf2f4a3e73
16 lines
441 B
Diff
16 lines
441 B
Diff
--- a/drivers/bcma/sprom.c
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+++ b/drivers/bcma/sprom.c
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@@ -591,8 +591,11 @@ int bcma_sprom_get(struct bcma_bus *bus)
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bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
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err = bcma_sprom_valid(sprom);
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- if (err)
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+ if (err) {
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+ bcma_warn(bus, "invalid sprom read from the PCIe card, try to use fallback sprom\n");
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+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
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goto out;
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+ }
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bcma_sprom_extract_r8(bus, sprom);
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