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authorLiad Kaufman <liad.kaufman@intel.com>2014-04-28 14:42:04 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-06-24 21:55:33 +0300
commitf251c07c88513c02d9f815e16bcbace0e95a5fe0 (patch)
tree1703ad575e053810661f5dd06872cddfc6c86557
parentb513ee7fd6dd5ca6498eee99fa46c0d6c0f21c9d (diff)
downloadop-kernel-dev-f251c07c88513c02d9f815e16bcbace0e95a5fe0.zip
op-kernel-dev-f251c07c88513c02d9f815e16bcbace0e95a5fe0.tar.gz
iwlwifi: nvm: update maximal parsed values in external nvm
Some of the maximum values of the parsed external NVM file in the B-step of the 8000 HW family were updated, so this updates these values. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/nvm.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 808f78f..26ba27e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -69,7 +69,9 @@
/* Default NVM size to read */
#define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024)
-#define IWL_MAX_NVM_SECTION_SIZE 7000
+#define IWL_MAX_NVM_SECTION_SIZE 0x1b58
+#define IWL_MAX_NVM_8000A_SECTION_SIZE 0xffc
+#define IWL_MAX_NVM_8000B_SECTION_SIZE 0x1ffc
#define NVM_WRITE_OPCODE 1
#define NVM_READ_OPCODE 0
@@ -326,6 +328,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
u8 data[];
} *file_sec;
const u8 *eof, *temp;
+ int max_section_size;
#define NVM_WORD1_LEN(x) (8 * (x & 0x03FF))
#define NVM_WORD2_ID(x) (x >> 12)
@@ -334,6 +337,14 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from external NVM\n");
+ /* Maximal size depends on HW family and step */
+ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
+ max_section_size = IWL_MAX_NVM_SECTION_SIZE;
+ else if ((mvm->trans->hw_rev & 0xc) == 0) /* Family 8000 A-step */
+ max_section_size = IWL_MAX_NVM_8000A_SECTION_SIZE;
+ else /* Family 8000 B-step */
+ max_section_size = IWL_MAX_NVM_8000B_SECTION_SIZE;
+
/*
* Obtain NVM image via request_firmware. Since we already used
* request_firmware_nowait() for the firmware binary load and only
@@ -392,7 +403,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
le16_to_cpu(file_sec->word1));
}
- if (section_size > IWL_MAX_NVM_SECTION_SIZE) {
+ if (section_size > max_section_size) {
IWL_ERR(mvm, "ERROR - section too large (%d)\n",
section_size);
ret = -EINVAL;
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