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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-04-07 22:06:17 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2015-04-07 22:06:17 +0000 |
| commit | a9d2a1aa295b4aabf2ef8692fa525f8b4c28678b (patch) | |
| tree | e512db242a2849317b8cca4688ed082019737aae | |
| parent | 8100b227a99bcdfac356cdd24166343851f362bc (diff) | |
| download | upstream-a9d2a1aa295b4aabf2ef8692fa525f8b4c28678b.tar.gz upstream-a9d2a1aa295b4aabf2ef8692fa525f8b4c28678b.tar.bz2 upstream-a9d2a1aa295b4aabf2ef8692fa525f8b4c28678b.zip | |
kernel: backport ssb patches up to changes queued for 4.1
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 45306
| -rw-r--r-- | target/linux/generic/patches-3.18/020-ssb_update.patch | 55 | ||||
| -rw-r--r-- | target/linux/generic/patches-4.0/020-ssb_update.patch | 29 |
2 files changed, 84 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/020-ssb_update.patch b/target/linux/generic/patches-3.18/020-ssb_update.patch index 9171b24704..7afba07763 100644 --- a/target/linux/generic/patches-3.18/020-ssb_update.patch +++ b/target/linux/generic/patches-3.18/020-ssb_update.patch @@ -76,3 +76,58 @@ return pci_register_driver(driver); } +--- a/drivers/ssb/driver_pcicore.c ++++ b/drivers/ssb/driver_pcicore.c +@@ -357,6 +357,15 @@ 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. ++ * 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. ++ */ ++ if (pc->dev->bus->chip_id == 0x4704) ++ 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 +@@ -90,25 +90,6 @@ found: + } + #endif /* CONFIG_SSB_PCMCIAHOST */ + +-#ifdef CONFIG_SSB_SDIOHOST +-struct ssb_bus *ssb_sdio_func_to_bus(struct sdio_func *func) +-{ +- struct ssb_bus *bus; +- +- ssb_buses_lock(); +- list_for_each_entry(bus, &buses, list) { +- if (bus->bustype == SSB_BUSTYPE_SDIO && +- bus->host_sdio == func) +- goto found; +- } +- bus = NULL; +-found: +- ssb_buses_unlock(); +- +- return bus; +-} +-#endif /* CONFIG_SSB_SDIOHOST */ +- + int ssb_for_each_bus_call(unsigned long data, + int (*func)(struct ssb_bus *bus, unsigned long data)) + { +@@ -1154,6 +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); + } 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 0000000000..946cb3b106 --- /dev/null +++ b/target/linux/generic/patches-4.0/020-ssb_update.patch @@ -0,0 +1,29 @@ +--- a/drivers/ssb/driver_pcicore.c ++++ b/drivers/ssb/driver_pcicore.c +@@ -357,6 +357,15 @@ 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. ++ * 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. ++ */ ++ if (pc->dev->bus->chip_id == 0x4704) ++ 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); + } |