From b07f08a56524cdc49001b1467743acc3c5b78962 Mon Sep 17 00:00:00 2001
From: Kenny Hsu <kenny.hsu@intel.com>
Date: Fri, 6 Jan 2012 13:16:30 -0800
Subject: [PATCH] iwlwifi: enhance testmode command sram_read
This patch enables SRAM read function to support entire target memory.
Signed-off-by: Kenny Hsu <kenny.hsu@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/iwlwifi/iwl-testmode.c | 7 +++----
drivers/net/wireless/iwlwifi/iwl-testmode.h | 3 +++
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c
index 2fc20675dc7b..58575fdc4504 100644
--- a/drivers/net/wireless/iwlwifi/iwl-testmode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c
@@ -733,7 +733,7 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
- u32 base, ofs, size, maxsize;
+ u32 ofs, size, maxsize;
if (priv->testmode_sram.sram_readed)
return -EBUSY;
@@ -765,7 +765,7 @@ static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)
IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n");
return -ENOSYS;
}
- if ((ofs + size) > maxsize) {
+ if ((ofs + size) > (maxsize + SRAM_DATA_SEG_OFFSET)) {
IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n");
return -EINVAL;
}
@@ -776,8 +776,7 @@ static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)
IWL_DEBUG_INFO(priv, "Error allocating memory\n");
return -ENOMEM;
}
- base = 0x800000;
- _iwl_read_targ_mem_words(bus(priv), base + ofs,
+ _iwl_read_targ_mem_words(bus(priv), ofs,
priv->testmode_sram.buff_addr,
priv->testmode_sram.buff_size / 4);
priv->testmode_sram.num_chunks =
diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h
index 26138f110340..9c6a67ab5c34 100644
--- a/drivers/net/wireless/iwlwifi/iwl-testmode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h
@@ -271,4 +271,7 @@ enum iwl_tm_attr_t {
/* Maximum data size of each dump it packet */
#define DUMP_CHUNK_SIZE (PAGE_SIZE - 1024)
+/* Address offset of data segment in SRAM */
+#define SRAM_DATA_SEG_OFFSET 0x800000
+
#endif