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Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.27/976-ssb_fallback_sprom.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.27/976-ssb_fallback_sprom.patch107
1 files changed, 0 insertions, 107 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.27/976-ssb_fallback_sprom.patch b/target/linux/generic-2.6/patches-2.6.27/976-ssb_fallback_sprom.patch
deleted file mode 100644
index 295d00ee6f..0000000000
--- a/target/linux/generic-2.6/patches-2.6.27/976-ssb_fallback_sprom.patch
+++ /dev/null
@@ -1,107 +0,0 @@
---- a/drivers/ssb/pci.c
-+++ b/drivers/ssb/pci.c
-@@ -500,6 +500,7 @@ 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;
-
-@@ -519,12 +520,23 @@ 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);