diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-12-27 21:28:02 +0000 |
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committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-12-27 21:28:02 +0000 |
commit | b281497b69f2ecc02747c8e5d9cdd2b19cf95429 (patch) | |
tree | 180b2c74131eb4d4bd7c855e1de0ca28bda8127c /target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch | |
parent | 259f6426607dfd76f98eb9ffa44cb88554ffeffc (diff) |
switch ixp4xx and ubicom32 to 2.6.30, get rid of 2.6.28 files
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18952 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch b/target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch deleted file mode 100644 index 23d1af727..000000000 --- a/target/linux/generic-2.6/patches-2.6.28/975-ssb-fallback-sprom.patch +++ /dev/null @@ -1,107 +0,0 @@ ---- a/drivers/ssb/pci.c -+++ b/drivers/ssb/pci.c -@@ -514,6 +514,7 @@ unsupported: - static int ssb_pci_sprom_get(struct ssb_bus *bus, - struct ssb_sprom *sprom) - { -+ const struct ssb_sprom *fallback; - int err = -ENOMEM; - u16 *buf; - -@@ -533,12 +534,23 @@ static int ssb_pci_sprom_get(struct ssb_ - bus->sprom_size = SSB_SPROMSIZE_WORDS_R4; - sprom_do_read(bus, buf); - err = sprom_check_crc(buf, bus->sprom_size); -- if (err) -+ if (err) { -+ /* All CRC attempts failed. -+ * Maybe there is no SPROM on the device? -+ * If we have a fallback, use that. */ -+ fallback = ssb_get_fallback_sprom(); -+ if (fallback) { -+ memcpy(sprom, fallback, sizeof(*sprom)); -+ err = 0; -+ goto out_free; -+ } - ssb_printk(KERN_WARNING PFX "WARNING: Invalid" - " SPROM CRC (corrupt SPROM)\n"); -+ } - } - err = sprom_extract(bus, sprom, buf, bus->sprom_size); - -+out_free: - kfree(buf); - out: - return err; ---- a/drivers/ssb/sprom.c -+++ b/drivers/ssb/sprom.c -@@ -14,6 +14,9 @@ - #include "ssb_private.h" - - -+static const struct ssb_sprom *fallback_sprom; -+ -+ - static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len, - size_t sprom_size_words) - { -@@ -131,3 +134,36 @@ out: - return res; - return err ? err : count; - } -+ -+/** -+ * ssb_arch_set_fallback_sprom - Set a fallback SPROM for use if no SPROM is found. -+ * -+ * @sprom: The SPROM data structure to register. -+ * -+ * With this function the architecture implementation may register a fallback -+ * SPROM data structure. The fallback is only used for PCI based SSB devices, -+ * where no valid SPROM can be found in the shadow registers. -+ * -+ * This function is useful for weird architectures that have a half-assed SSB device -+ * hardwired to their PCI bus. -+ * -+ * Note that it does only work with PCI attached SSB devices. PCMCIA devices currently -+ * don't use this fallback. -+ * Architectures must provide the SPROM for native SSB devices anyway, -+ * so the fallback also isn't used for native devices. -+ * -+ * This function is available for architecture code, only. So it is not exported. -+ */ -+int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom) -+{ -+ if (fallback_sprom) -+ return -EEXIST; -+ fallback_sprom = sprom; -+ -+ return 0; -+} -+ -+const struct ssb_sprom *ssb_get_fallback_sprom(void) -+{ -+ return fallback_sprom; -+} ---- a/drivers/ssb/ssb_private.h -+++ b/drivers/ssb/ssb_private.h -@@ -131,6 +131,7 @@ ssize_t ssb_attr_sprom_store(struct ssb_ - const char *buf, size_t count, - int (*sprom_check_crc)(const u16 *sprom, size_t size), - int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom)); -+extern const struct ssb_sprom *ssb_get_fallback_sprom(void); - - - /* core.c */ ---- a/include/linux/ssb/ssb.h -+++ b/include/linux/ssb/ssb.h -@@ -339,6 +339,10 @@ extern int ssb_bus_pcmciabus_register(st - - extern void ssb_bus_unregister(struct ssb_bus *bus); - -+/* Set a fallback SPROM. -+ * See kdoc at the function definition for complete documentation. */ -+extern int ssb_arch_set_fallback_sprom(const struct ssb_sprom *sprom); -+ - /* Suspend a SSB bus. - * Call this from the parent bus suspend routine. */ - extern int ssb_bus_suspend(struct ssb_bus *bus); |