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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2009-11-20 12:05:04 -0800
committerJohn W. Linville <linville@tuxdriver.com>2009-11-23 17:05:35 -0500
commit5ade1e4dd1df436c3a441d17321c24aac8497306 (patch)
treec45d56bc8a4d2cd746dba88bc95f30abfc689154 /drivers/net/wireless/iwlwifi/iwl-debugfs.c
parentac592574a577162183b5c1dd040a188caa068a29 (diff)
iwlwifi: by default, dump entire sram data portion
For "sram" debugfs file, if user did not specify the offset and length, dump the entire data portion of sram by default. Data portion is 0x800000 - 0x80ffff, but the actual data size is known to the driver from the ucode file. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 016ff4014a7..5adf0b60620 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -235,13 +235,21 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
size_t bufsz;
- bufsz = 30 + priv->dbgfs->sram_len * sizeof(char) * 12;
+ /* default is to dump the entire data segment */
+ if (!priv->dbgfs->sram_offset && !priv->dbgfs->sram_len) {
+ priv->dbgfs->sram_offset = 0x800000;
+ if (priv->ucode_type == UCODE_INIT)
+ priv->dbgfs->sram_len = priv->ucode_init_data.len;
+ else
+ priv->dbgfs->sram_len = priv->ucode_data.len;
+ }
+ bufsz = 30 + priv->dbgfs->sram_len * sizeof(char) * 10;
buf = kmalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- pos += scnprintf(buf + pos, bufsz - pos, "sram_len: %d\n",
+ pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
priv->dbgfs->sram_len);
- pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: %d\n",
+ pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
priv->dbgfs->sram_offset);
for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \