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iwlwifi: enhance testmode command sram_read

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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>
This commit is contained in:
Kenny Hsu 2012-01-06 13:16:30 -08:00 committed by John W. Linville
parent 102f097f19
commit b07f08a565
2 changed files with 6 additions and 4 deletions
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7
drivers/net/wireless/iwlwifi/iwl-testmode.c
View file

@ -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 =

3
drivers/net/wireless/iwlwifi/iwl-testmode.h
View file

@ -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