diff options
Diffstat (limited to 'target/linux/generic/patches-4.0/020-ssb_update.patch')
| -rw-r--r-- | target/linux/generic/patches-4.0/020-ssb_update.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/020-ssb_update.patch b/target/linux/generic/patches-4.0/020-ssb_update.patch new file mode 100644 index 0000000..d7e15ae --- /dev/null +++ b/target/linux/generic/patches-4.0/020-ssb_update.patch @@ -0,0 +1,30 @@ +--- a/drivers/ssb/driver_pcicore.c ++++ b/drivers/ssb/driver_pcicore.c +@@ -357,6 +357,16 @@ static void ssb_pcicore_init_hostmode(st + pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, + SSB_PCICORE_SBTOPCI_MEM | SSB_PCI_DMA); + ++ /* ++ * Accessing PCI config without a proper delay after devices reset (not ++ * GPIO reset) was causing reboots on WRT300N v1.0 (BCM4704). ++ * Tested delay 850 us lowered reboot chance to 50-80%, 1000 us fixed it ++ * completely. Flushing all writes was also tested but with no luck. ++ * The same problem was reported for WRT350N v1 (BCM4705), so we just ++ * sleep here unconditionally. ++ */ ++ usleep_range(1000, 2000); ++ + /* Enable PCI bridge BAR0 prefetch and burst */ + val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 2); +--- a/drivers/ssb/main.c ++++ b/drivers/ssb/main.c +@@ -1135,6 +1135,8 @@ static u32 ssb_tmslow_reject_bitmask(str + case SSB_IDLOW_SSBREV_25: /* TODO - find the proper REJECT bit */ + case SSB_IDLOW_SSBREV_27: /* same here */ + return SSB_TMSLOW_REJECT; /* this is a guess */ ++ case SSB_IDLOW_SSBREV: ++ break; + default: + WARN(1, KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev); + } |