Hello.
On 19-02-2012 22:32, Hauke Mehrtens wrote:
On SoCs the sprom is often stored in nvram in the flashchip. This patch
registers a sprom fallback callback handler in bcma and provides the
sprom needed for this device.
Signed-off-by: Hauke Mehrtens<[email protected]>
---
arch/mips/bcm47xx/setup.c | 39 +++++++++++++++++++++++++++++++++++----
1 files changed, 35 insertions(+), 4 deletions(-)
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index 6b0dacd..6f8b073 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
[...]
@@ -159,10 +159,41 @@ static void __init bcm47xx_register_ssb(void)
#endif
#ifdef CONFIG_BCM47XX_BCMA
+static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
+{
+ char prefix[10];
+ struct bcma_device *core;
+
+ if (bus->hosttype == BCMA_HOSTTYPE_PCI) {
Why not *switch* statement? It seems more natural in this situation...
+ snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
+ bus->host_pci->bus->number + 1,
+ PCI_SLOT(bus->host_pci->devfn));
+ bcm47xx_fill_sprom(out, prefix);
+ return 0;
+ } else if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ bcm47xx_fill_sprom_ethernet(out, NULL);
+ core = bcma_find_core(bus, BCMA_CORE_80211);
+ if (core) {
+ snprintf(prefix, sizeof(prefix), "sb/%u/",
+ core->core_index);
+ bcm47xx_fill_sprom(out, prefix);
+ }
+ return 0;
+ } else {
+ printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given
bustype.\n");
+ return -EINVAL;
+ }
+}
+
static void __init bcm47xx_register_bcma(void)
{
int err;
+ err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
+ if (err)
+ printk(KERN_WARNING "bcm47xx: someone else already registered"
pr_warn(). And don't break the message to help grepping.
+ " a bcma SPROM callback handler (err %d)\n", err);
+
WBR, Sergei
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