Merge tag 'for-v3.10' of git://git.infradead.org/users/cbou/linux-pstore

Pull pstore update from Anton Vorontsov:

 - A new platform data parameter to specify ECC configuration;

 - Rounding fixup to not waste memory in ecc_blocks;

 - Restore ECC information printouts;

 - A small code cleanup: use kmemdup where appropriate.

* tag 'for-v3.10' of git://git.infradead.org/users/cbou/linux-pstore:
  pstore/ram: Restore ecc information block
  pstore/ram: Allow specifying ecc parameters in platform data
  pstore/ram: Include ecc_size when calculating ecc_block
  pstore: Replace calls to kmalloc and memcpy with kmemdup

1 files changed, 10 insertions, 4 deletions

diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index cb6ab5feab67..9974975d40db 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -26,6 +26,13 @@
 struct persistent_ram_buffer;
 struct rs_control;
 
+struct persistent_ram_ecc_info {
+        int block_size;
+        int ecc_size;
+        int symsize;
+        int poly;
+};
+
 struct persistent_ram_zone {
         phys_addr_t paddr;
         size_t size;
@@ -39,15 +46,14 @@ struct persistent_ram_zone {
         struct rs_control *rs_decoder;
         int corrected_bytes;
         int bad_blocks;
-        int ecc_block_size;
-        int ecc_size;
+        struct persistent_ram_ecc_info ecc_info;
 
         char *old_log;
         size_t old_log_size;
 };
 
 struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
-                                               u32 sig, int ecc_size);
+                        u32 sig, struct persistent_ram_ecc_info *ecc_info);
 void persistent_ram_free(struct persistent_ram_zone *prz);
 void persistent_ram_zap(struct persistent_ram_zone *prz);
 
@@ -74,7 +80,7 @@ struct ramoops_platform_data {
         unsigned long   console_size;
         unsigned long   ftrace_size;
         int             dump_oops;
-        int             ecc_size;
+        struct persistent_ram_ecc_info ecc_info;
 };
 
 #endif