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Subject[PATCH 1/2] Bluetooth: btusb: ath3k: Decide firmware name before checking update status
Date
Decide firmware name before checking patch update status. Firmware name is
required for caching.

Also, version information in btusb_setup_qca() is being calculated twice,
reduce it to one.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
drivers/bluetooth/ath3k.c | 10 +++----
drivers/bluetooth/btusb.c | 72 +++++++++++++++++++++++------------------------
2 files changed, 41 insertions(+), 41 deletions(-)

diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index b793853ff05f..280849dba51e 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -409,11 +409,6 @@ static int ath3k_load_patch(struct usb_device *udev)
return ret;
}

- if (fw_state & ATH3K_PATCH_UPDATE) {
- BT_DBG("Patch was already downloaded");
- return 0;
- }
-
ret = ath3k_get_version(udev, &fw_version);
if (ret < 0) {
BT_ERR("Can't get version to change to load ram patch err");
@@ -423,6 +418,11 @@ static int ath3k_load_patch(struct usb_device *udev)
snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
le32_to_cpu(fw_version.rom_version));

+ if (fw_state & ATH3K_PATCH_UPDATE) {
+ BT_DBG("Patch was already downloaded");
+ return 0;
+ }
+
ret = request_firmware(&firmware, filename, &udev->dev);
if (ret < 0) {
BT_ERR("Patch file not found %s", filename);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index fa24d693af24..732fe6c3e789 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1518,18 +1518,12 @@ static int btusb_setup_csr(struct hci_dev *hdev)
}

static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
- struct intel_version *ver)
+ const char *fwname,
+ const char *default_fwname)
{
const struct firmware *fw;
- char fwname[64];
int ret;

- snprintf(fwname, sizeof(fwname),
- "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
- ver->hw_platform, ver->hw_variant, ver->hw_revision,
- ver->fw_variant, ver->fw_revision, ver->fw_build_num,
- ver->fw_build_ww, ver->fw_build_yy);
-
ret = request_firmware(&fw, fwname, &hdev->dev);
if (ret < 0) {
if (ret == -EINVAL) {
@@ -1544,11 +1538,9 @@ static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
/* If the correct firmware patch file is not found, use the
* default firmware patch file instead
*/
- snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
- ver->hw_platform, ver->hw_variant);
- if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
+ if (request_firmware(&fw, default_fwname, &hdev->dev) < 0) {
BT_ERR("%s failed to open default Intel fw file: %s",
- hdev->name, fwname);
+ hdev->name, default_fwname);
return NULL;
}
}
@@ -1676,6 +1668,8 @@ static int btusb_setup_intel_patching(struct hci_dev *hdev,
static int btusb_setup_intel(struct hci_dev *hdev)
{
struct sk_buff *skb;
+ char fwname[64];
+ char default_fwname[64];
const struct firmware *fw;
const u8 *fw_ptr;
int disable_patch, err;
@@ -1714,6 +1708,15 @@ static int btusb_setup_intel(struct hci_dev *hdev)
ver.fw_variant, ver.fw_revision, ver.fw_build_num,
ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);

+ snprintf(fwname, sizeof(fwname),
+ "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
+ ver.hw_platform, ver.hw_variant, ver.hw_revision,
+ ver.fw_variant, ver.fw_revision, ver.fw_build_num,
+ ver.fw_build_ww, ver.fw_build_yy);
+
+ snprintf(default_fwname, sizeof(default_fwname),
+ "intel/ibt-hw-%x.%x.bseq", ver.hw_platform, ver.hw_variant);
+
/* fw_patch_num indicates the version of patch the device currently
* have. If there is no patch data in the device, it is always 0x00.
* So, if it is other than 0x00, no need to patch the device again.
@@ -1730,7 +1733,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
* If no patch file is found, allow the device to operate without
* a patch.
*/
- fw = btusb_setup_intel_get_fw(hdev, &ver);
+ fw = btusb_setup_intel_get_fw(hdev, fwname, default_fwname);
if (!fw)
goto complete;
fw_ptr = fw->data;
@@ -2592,21 +2595,15 @@ static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
}

static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
- struct qca_version *ver,
+ const char *fwname,
+ const struct qca_version *ver,
const struct qca_device_info *info)
{
struct qca_rampatch_version *rver;
const struct firmware *fw;
- u32 ver_rom, ver_patch;
u16 rver_rom, rver_patch;
- char fwname[64];
int err;

- ver_rom = le32_to_cpu(ver->rom_version);
- ver_patch = le32_to_cpu(ver->patch_version);
-
- snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
-
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
BT_ERR("%s: failed to request rampatch file: %s (%d)",
@@ -2620,11 +2617,11 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
rver_rom = le16_to_cpu(rver->rom_version);
rver_patch = le16_to_cpu(rver->patch_version);

- BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
- "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
- ver_patch);
+ BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x build 0x%x",
+ hdev->name, rver_rom, rver_patch,
+ ver->rom_version, ver->patch_version);

- if (rver_rom != ver_rom || rver_patch <= ver_patch) {
+ if (rver_rom != ver->rom_version || rver_patch <= ver->patch_version) {
BT_ERR("%s: rampatch file version did not match with firmware",
hdev->name);
err = -EINVAL;
@@ -2640,16 +2637,12 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
}

static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
- struct qca_version *ver,
+ const char *fwname,
const struct qca_device_info *info)
{
const struct firmware *fw;
- char fwname[64];
int err;

- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
-
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
BT_ERR("%s: failed to request NVM file: %s (%d)",
@@ -2670,7 +2663,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
{
const struct qca_device_info *info = NULL;
struct qca_version ver;
- u32 ver_rom;
+ char fwname[64];
u8 status;
int i, err;

@@ -2679,14 +2672,15 @@ static int btusb_setup_qca(struct hci_dev *hdev)
if (err < 0)
return err;

- ver_rom = le32_to_cpu(ver.rom_version);
+ ver.rom_version = le32_to_cpu(ver.rom_version);
+ ver.patch_version = le32_to_cpu(ver.patch_version);
for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
- if (ver_rom == qca_devices_table[i].rom_version)
+ if (ver.rom_version == qca_devices_table[i].rom_version)
info = &qca_devices_table[i];
}
if (!info) {
BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
- ver_rom);
+ ver.rom_version);
return -ENODEV;
}

@@ -2695,14 +2689,20 @@ static int btusb_setup_qca(struct hci_dev *hdev)
if (err < 0)
return err;

+ snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin",
+ ver.rom_version);
+
if (!(status & QCA_PATCH_UPDATED)) {
- err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
+ err = btusb_setup_qca_load_rampatch(hdev, fwname, &ver, info);
if (err < 0)
return err;
}

+ snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
+ ver.rom_version);
+
if (!(status & QCA_SYSCFG_UPDATED)) {
- err = btusb_setup_qca_load_nvm(hdev, &ver, info);
+ err = btusb_setup_qca_load_nvm(hdev, fwname, info);
if (err < 0)
return err;
}
--
2.14.1
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