From: Kenny Hsu Date: Fri, 6 Jan 2012 21:16:30 +0000 (-0800) Subject: iwlwifi: enhance testmode command sram_read X-Git-Tag: firefly_0821_release~3680^2~3338^2~112^2~442 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b07f08a56524cdc49001b1467743acc3c5b78962;p=firefly-linux-kernel-4.4.55.git iwlwifi: enhance testmode command sram_read This patch enables SRAM read function to support entire target memory. Signed-off-by: Kenny Hsu Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville --- 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