brcm47xx: add initial support for devices with bcma bus.

Ethernet and wifi are not working and this is highly experimental.

SVN-Revision: 27301

1 files changed, 37 insertions, 0 deletions

diff --git a/target/linux/brcm47xx/patches-3.0/0009-bcma-add-check-if-sprom-is-available-before-accessin.patch b/target/linux/brcm47xx/patches-3.0/0009-bcma-add-check-if-sprom-is-available-before-accessin.patch
new file mode 100644
index 0000000000..931b6e3d0e
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.0/0009-bcma-add-check-if-sprom-is-available-before-accessin.patch
@@ -0,0 +1,37 @@
+From 5972feafaa3c71c1497b4ef4101b3c6855b7b64e Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 19 Jun 2011 19:14:11 +0200
+Subject: [PATCH 09/14] bcma: add check if sprom is available before accessing it.
+
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+---
+ drivers/bcma/main.c  |    4 +++-
+ drivers/bcma/sprom.c |    3 +++
+ 2 files changed, 6 insertions(+), 1 deletions(-)
+
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -160,7 +160,9 @@ int bcma_bus_register(struct bcma_bus *b
+ 
+ 	/* Try to get SPROM */
+ 	err = bcma_sprom_get(bus);
+-	if (err) {
++	if (err == -ENOENT) {
++		pr_err("No SPROM available\n");
++	} else if (err) {
+ 		pr_err("Failed to get SPROM: %d\n", err);
+ 		return -ENOENT;
+ 	}
+--- a/drivers/bcma/sprom.c
++++ b/drivers/bcma/sprom.c
+@@ -143,6 +143,9 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ 	if (!bus->drv_cc.core)
+ 		return -EOPNOTSUPP;
+ 
++	if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
++		return -ENOENT;
++
+ 	sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+ 			GFP_KERNEL);
+ 	if (!sprom)