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iwlagn: push knowledge of ucode image lower down

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Move the knowledge of the ucode image to lower level routines.  Also do
not pass the iwl_priv structure lower than it needs to be.

Signed-off-by: Don Fry <donald.h.fry@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:
Don Fry 2011-11-10 06:55:09 -08:00 committed by John W. Linville
parent 8929c24bf2
commit baa0005663
1 changed files with 30 additions and 21 deletions
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51
drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
View file

@ -142,9 +142,16 @@ static inline struct fw_img *iwl_get_ucode_image(struct iwl_priv *priv,
}
static int iwlagn_load_given_ucode(struct iwl_priv *priv,
struct fw_img *image)
enum iwlagn_ucode_type ucode_type)
{
int ret = 0;
struct fw_img *image = iwl_get_ucode_image(priv, ucode_type);
if (!image) {
IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type);
return -EINVAL;
}
ret = iwlagn_load_section(trans(priv), "INST", &image->code,
IWLAGN_RTC_INST_LOWER_BOUND);
@ -435,7 +442,7 @@ static int iwlagn_alive_notify(struct iwl_priv *priv)
* using sample data 100 bytes apart. If these sample points are good,
* it's a pretty good bet that everything between them is good, too.
*/
static int iwl_verify_inst_sparse(struct iwl_priv *priv,
static int iwl_verify_inst_sparse(struct iwl_bus *bus,
struct fw_desc *fw_desc)
{
__le32 *image = (__le32 *)fw_desc->v_addr;
@ -443,15 +450,15 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv,
u32 val;
u32 i;
IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
/* 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 */
iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR,
iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
i + IWLAGN_RTC_INST_LOWER_BOUND);
val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image))
return -EIO;
}
@ -459,7 +466,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv,
return 0;
}
static void iwl_print_mismatch_inst(struct iwl_priv *priv,
static void iwl_print_mismatch_inst(struct iwl_bus *bus,
struct fw_desc *fw_desc)
{
__le32 *image = (__le32 *)fw_desc->v_addr;
@ -468,18 +475,18 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv,
u32 offs;
int errors = 0;
IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len);
iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR,
iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR,
IWLAGN_RTC_INST_LOWER_BOUND);
for (offs = 0;
offs < len && errors < 20;
offs += sizeof(u32), image++) {
/* read data comes through single port, auto-incr addr */
val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
val = iwl_read32(bus, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image)) {
IWL_ERR(priv, "uCode INST section at "
IWL_ERR(bus, "uCode INST section at "
"offset 0x%x, is 0x%x, s/b 0x%x\n",
offs, val, le32_to_cpu(*image));
errors++;
@ -491,16 +498,24 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv,
* iwl_verify_ucode - determine which instruction image is in SRAM,
* and verify its contents
*/
static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_img *img)
static int iwl_verify_ucode(struct iwl_priv *priv,
enum iwlagn_ucode_type ucode_type)
{
if (!iwl_verify_inst_sparse(priv, &img->code)) {
struct fw_img *img = iwl_get_ucode_image(priv, ucode_type);
if (!img) {
IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type);
return -EINVAL;
}
if (!iwl_verify_inst_sparse(bus(priv), &img->code)) {
IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n");
return 0;
}
IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
iwl_print_mismatch_inst(priv, &img->code);
iwl_print_mismatch_inst(bus(priv), &img->code);
return -EIO;
}
@ -542,12 +557,6 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
struct iwlagn_alive_data alive_data;
int ret;
enum iwlagn_ucode_type old_type;
struct fw_img *image = iwl_get_ucode_image(priv, ucode_type);
if (!image) {
IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type);
return -EINVAL;
}
ret = iwl_trans_start_device(trans(priv));
if (ret)
@ -559,7 +568,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
old_type = priv->ucode_type;
priv->ucode_type = ucode_type;
ret = iwlagn_load_given_ucode(priv, image);
ret = iwlagn_load_given_ucode(priv, ucode_type);
if (ret) {
priv->ucode_type = old_type;
iwlagn_remove_notification(priv, &alive_wait);
@ -590,7 +599,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
* skip it for WoWLAN.
*/
if (ucode_type != IWL_UCODE_WOWLAN) {
ret = iwl_verify_ucode(priv, image);
ret = iwl_verify_ucode(priv, ucode_type);
if (ret) {
priv->ucode_type = old_type;
return ret;