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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-ucode.c51
1 files changed, 17 insertions, 34 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 127c842fea55..2205b6035207 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -542,8 +542,6 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
{
u32 val;
- int ret = 0;
- u32 errcnt = 0;
u32 i;
IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
@@ -555,56 +553,39 @@ static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32
iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
i + IWLAGN_RTC_INST_LOWER_BOUND);
val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (val != le32_to_cpu(*image)) {
- ret = -EIO;
- errcnt++;
- if (errcnt >= 3)
- break;
- }
+ if (val != le32_to_cpu(*image))
+ return -EIO;
}
- return ret;
+ return 0;
}
-/**
- * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host,
- * looking at all data.
- */
-static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
- u32 len)
+static void iwl_print_mismatch_inst(struct iwl_priv *priv,
+ __le32 *image, u32 len)
{
u32 val;
- u32 save_len = len;
- int ret = 0;
- u32 errcnt;
+ u32 offs;
+ int errors = 0;
IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
IWLAGN_RTC_INST_LOWER_BOUND);
- errcnt = 0;
- for (; len > 0; len -= sizeof(u32), image++) {
+ for (offs = 0;
+ offs < len && errors < 20;
+ offs += sizeof(u32), image++) {
/* read data comes through single port, auto-incr addr */
/* NOTE: Use the debugless read so we don't flood kernel log
* if IWL_DL_IO is set */
val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image)) {
- IWL_ERR(priv, "uCode INST section is invalid at "
- "offset 0x%x, is 0x%x, s/b 0x%x\n",
- save_len - len, val, le32_to_cpu(*image));
- ret = -EIO;
- errcnt++;
- if (errcnt >= 20)
- break;
+ IWL_ERR(priv, "uCode INST section at "
+ "offset 0x%x, is 0x%x, s/b 0x%x\n",
+ offs, val, le32_to_cpu(*image));
+ errors++;
}
}
-
- if (!errcnt)
- IWL_DEBUG_INFO(priv,
- "ucode image in INSTRUCTION memory is good\n");
-
- return ret;
}
/**
@@ -651,5 +632,7 @@ int iwl_verify_ucode(struct iwl_priv *priv)
* Selection of bootstrap image (vs. other images) is arbitrary. */
image = (__le32 *)priv->ucode_boot.v_addr;
len = priv->ucode_boot.len;
- return iwl_verify_inst_full(priv, image, len);
+ iwl_print_mismatch_inst(priv, image, len);
+
+ return -EIO;
}