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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
parentac592574a577162183b5c1dd040a188caa068a29 (diff)
downloadop-kernel-dev-5ade1e4dd1df436c3a441d17321c24aac8497306.zip
op-kernel-dev-5ade1e4dd1df436c3a441d17321c24aac8497306.tar.gz
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>
-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 016ff40..5adf0b6 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 + \
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