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ath10k: switch testmode to use ath10k_core_fetch_firmware_api_n()
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Now that all firmware-N.bin related are within struct ath10k_fw_file we can
switch to use ath10k_core_fetch_firmware_api_n() and delete almost identical
ath10k_tm_fetch_utf_firmware_api_2().

Signed-off-by: Kalle Valo <[email protected]>
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kvalo committed Apr 20, 2016
1 parent 77561f9 commit 9dfe240
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Showing 3 changed files with 6 additions and 124 deletions.
4 changes: 2 additions & 2 deletions drivers/net/wireless/ath/ath10k/core.c
Original file line number Diff line number Diff line change
Expand Up @@ -976,8 +976,8 @@ static int ath10k_core_fetch_board_file(struct ath10k *ar)
return 0;
}

static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
struct ath10k_fw_file *fw_file)
int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
struct ath10k_fw_file *fw_file)
{
size_t magic_len, len, ie_len;
int ie_id, i, index, bit, ret;
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2 changes: 2 additions & 0 deletions drivers/net/wireless/ath/ath10k/core.h
Original file line number Diff line number Diff line change
Expand Up @@ -933,6 +933,8 @@ void ath10k_core_destroy(struct ath10k *ar);
void ath10k_core_get_fw_features_str(struct ath10k *ar,
char *buf,
size_t max_len);
int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name,
struct ath10k_fw_file *fw_file);

int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
const struct ath10k_fw_components *fw_components);
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124 changes: 2 additions & 122 deletions drivers/net/wireless/ath/ath10k/testmode.c
Original file line number Diff line number Diff line change
Expand Up @@ -139,127 +139,6 @@ static int ath10k_tm_cmd_get_version(struct ath10k *ar, struct nlattr *tb[])
return cfg80211_testmode_reply(skb);
}

static int ath10k_tm_fetch_utf_firmware_api_2(struct ath10k *ar,
struct ath10k_fw_file *fw_file)
{
size_t len, magic_len, ie_len;
struct ath10k_fw_ie *hdr;
char filename[100];
__le32 *version;
const u8 *data;
int ie_id, ret;

snprintf(filename, sizeof(filename), "%s/%s",
ar->hw_params.fw.dir, ATH10K_FW_UTF_API2_FILE);

/* load utf firmware image */
ret = request_firmware(&fw_file->firmware, filename, ar->dev);
if (ret) {
ath10k_warn(ar, "failed to retrieve utf firmware '%s': %d\n",
filename, ret);
return ret;
}

data = fw_file->firmware->data;
len = fw_file->firmware->size;

/* FIXME: call release_firmware() in error cases */

/* magic also includes the null byte, check that as well */
magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;

if (len < magic_len) {
ath10k_err(ar, "utf firmware file is too small to contain magic\n");
ret = -EINVAL;
goto err;
}

if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
ath10k_err(ar, "invalid firmware magic\n");
ret = -EINVAL;
goto err;
}

/* jump over the padding */
magic_len = ALIGN(magic_len, 4);

len -= magic_len;
data += magic_len;

/* loop elements */
while (len > sizeof(struct ath10k_fw_ie)) {
hdr = (struct ath10k_fw_ie *)data;

ie_id = le32_to_cpu(hdr->id);
ie_len = le32_to_cpu(hdr->len);

len -= sizeof(*hdr);
data += sizeof(*hdr);

if (len < ie_len) {
ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
ie_id, len, ie_len);
ret = -EINVAL;
goto err;
}

switch (ie_id) {
case ATH10K_FW_IE_FW_VERSION:
if (ie_len > sizeof(fw_file->fw_version) - 1)
break;

memcpy(fw_file->fw_version, data, ie_len);
fw_file->fw_version[ie_len] = '\0';

ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
"testmode found fw utf version %s\n",
fw_file->fw_version);
break;
case ATH10K_FW_IE_TIMESTAMP:
/* ignore timestamp, but don't warn about it either */
break;
case ATH10K_FW_IE_FW_IMAGE:
ath10k_dbg(ar, ATH10K_DBG_TESTMODE,
"testmode found fw image ie (%zd B)\n",
ie_len);

fw_file->firmware_data = data;
fw_file->firmware_len = ie_len;
break;
case ATH10K_FW_IE_WMI_OP_VERSION:
if (ie_len != sizeof(u32))
break;
version = (__le32 *)data;
fw_file->wmi_op_version = le32_to_cpup(version);
ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode found fw ie wmi op version %d\n",
fw_file->wmi_op_version);
break;
default:
ath10k_warn(ar, "Unknown testmode FW IE: %u\n",
le32_to_cpu(hdr->id));
break;
}
/* jump over the padding */
ie_len = ALIGN(ie_len, 4);

len -= ie_len;
data += ie_len;
}

if (!fw_file->firmware_data || !fw_file->firmware_len) {
ath10k_err(ar, "No ATH10K_FW_IE_FW_IMAGE found\n");
ret = -EINVAL;
goto err;
}

return 0;

err:
release_firmware(fw_file->firmware);

return ret;
}

static int ath10k_tm_fetch_utf_firmware_api_1(struct ath10k *ar,
struct ath10k_fw_file *fw_file)
{
Expand Down Expand Up @@ -296,7 +175,8 @@ static int ath10k_tm_fetch_firmware(struct ath10k *ar)
struct ath10k_fw_components *utf_mode_fw;
int ret;

ret = ath10k_tm_fetch_utf_firmware_api_2(ar, &ar->testmode.utf_mode_fw.fw_file);
ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_UTF_API2_FILE,
&ar->testmode.utf_mode_fw.fw_file);
if (ret == 0) {
ath10k_dbg(ar, ATH10K_DBG_TESTMODE, "testmode using fw utf api 2");
goto out;
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