From 5ade1e4dd1df436c3a441d17321c24aac8497306 Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Fri, 20 Nov 2009 12:05:04 -0800 Subject: [PATCH] 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 Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-debugfs.c | 14 +++++++++++--- 1 file 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 + \ -- 2.7.4