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bcma: add support for sprom not found on the device

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On SoCs the sprom is stored in the nvram in a special partition on the
flash chip. The nvram contains the sprom for the main bus, but
sometimes also for a pci devices using bcma. This patch makes it
possible for the arch code to register a function to fetch the needed
sprom from the nvram and provide it to the bcma code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens 2012-02-28 00:56:10 +01:00 • committed by John W. Linville
parent 1c9351cf21
commit a027237a56
2 changed files with 75 additions and 8 deletions
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6
include/linux/bcma/bcma.h
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@ -176,6 +176,12 @@ int __bcma_driver_register(struct bcma_driver *drv, struct module *owner);
extern void bcma_driver_unregister(struct bcma_driver *drv);
/* Set a fallback SPROM.
* See kdoc at the function definition for complete documentation. */
extern int bcma_arch_register_fallback_sprom(
int (*sprom_callback)(struct bcma_bus *bus,
struct ssb_sprom *out));
struct bcma_bus {
/* The MMIO area. */
void __iomem *mmio;