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Commit 25324caf authored by Kenny Hsu's avatar Kenny Hsu Committed by Wey-Yi Guy
Browse files

iwlwifi: enhance testmode command sram_read 



This patch enables SRAM read function to support entire target memory.

Signed-off-by: default avatarKenny Hsu <kenny.hsu@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
parent c381be28

drivers/net/wireless/iwlwifi/iwl-testmode.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -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)

static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb)

{

{

	struct iwl_priv *priv = hw->priv;

	struct iwl_priv *priv = hw->priv;

	u32 base, ofs, size, maxsize;

	u32 ofs, size, maxsize;





	if (priv->testmode_sram.sram_readed)

	if (priv->testmode_sram.sram_readed)

		return -EBUSY;

		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");

		IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n");

		return -ENOSYS;

		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");

		IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n");

		return -EINVAL;

		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");

		IWL_DEBUG_INFO(priv, "Error allocating memory\n");

		return -ENOMEM;

		return -ENOMEM;

	}

	}

	base = 0x800000;

	_iwl_read_targ_mem_words(bus(priv), ofs,

	_iwl_read_targ_mem_words(bus(priv), base + ofs,

					priv->testmode_sram.buff_addr,

					priv->testmode_sram.buff_addr,

					priv->testmode_sram.buff_size / 4);

					priv->testmode_sram.buff_size / 4);

	priv->testmode_sram.num_chunks =

	priv->testmode_sram.num_chunks =

drivers/net/wireless/iwlwifi/iwl-testmode.h

+3 −0
Original line number Original line Diff line number Diff line
@@ -271,4 +271,7 @@ enum iwl_tm_attr_t { 
/* Maximum data size of each dump it packet */

/* Maximum data size of each dump it packet */

#define DUMP_CHUNK_SIZE		(PAGE_SIZE - 1024)

#define DUMP_CHUNK_SIZE		(PAGE_SIZE - 1024)





/* Address offset of data segment in SRAM */

#define SRAM_DATA_SEG_OFFSET   0x800000



#endif
 
#endif