Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH] Bluetooth: btrtl: Fix an issue that failing to download the FW which size is over 32K bytes | Date | Thu, 5 Sep 2019 11:49:00 +0800 |
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From: Max Chou <max.chou@realtek.com>
Fix the issue that when the FW size is 32K+, it will fail for the download process because of the incorrect index.
When firmware patch length is over 32K, "dl_cmd->index" may >= 0x80. It will be thought as "data end" that download process will not complete. However, driver should recount the index from 1.
Signed-off-by: Max Chou <max.chou@realtek.com> --- drivers/bluetooth/btrtl.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 0354e93e7a7c..bf3c02be6930 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -401,7 +401,11 @@ static int rtl_download_firmware(struct hci_dev *hdev, BT_DBG("download fw (%d/%d)", i, frag_num); - dl_cmd->index = i; + if (i > 0x7f) + dl_cmd->index = (i & 0x7f) + 1; + else + dl_cmd->index = i; + if (i == (frag_num - 1)) { dl_cmd->index |= 0x80; /* data end */ frag_len = fw_len % RTL_FRAG_LEN; -- 2.17.1
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