mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-28 07:44:32 +00:00
4671a92de3
Copy all mvebu 6.1 specific files, patches and configs to 6.1. Signed-off-by: Stijn Segers <foss@volatilesystems.org>
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
--- a/drivers/mfd/iei-wt61p803-puzzle.c
|
|
+++ b/drivers/mfd/iei-wt61p803-puzzle.c
|
|
@@ -241,6 +241,7 @@ int iei_wt61p803_puzzle_write_command(st
|
|
{
|
|
struct device *dev = &mcu->serdev->dev;
|
|
int ret;
|
|
+ int retries;
|
|
|
|
if (size <= 1 || size > IEI_WT61P803_PUZZLE_MAX_COMMAND_LENGTH)
|
|
return -EINVAL;
|
|
@@ -252,24 +253,36 @@ int iei_wt61p803_puzzle_write_command(st
|
|
print_hex_dump_debug("puzzle-mcu tx: ", DUMP_PREFIX_NONE,
|
|
16, 1, cmd, size, false);
|
|
|
|
+ retries = 3;
|
|
/* Initialize reply struct */
|
|
- reinit_completion(&mcu->reply->received);
|
|
- mcu->reply->size = 0;
|
|
- usleep_range(2000, 10000);
|
|
- serdev_device_write_flush(mcu->serdev);
|
|
- ret = serdev_device_write_buf(mcu->serdev, cmd, size);
|
|
- if (ret < 0)
|
|
- goto exit;
|
|
-
|
|
- serdev_device_wait_until_sent(mcu->serdev, IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT);
|
|
- ret = wait_for_completion_timeout(&mcu->reply->received,
|
|
- IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT);
|
|
- if (ret == 0) {
|
|
- dev_err(dev, "Command reply receive timeout\n");
|
|
- ret = -ETIMEDOUT;
|
|
- goto exit;
|
|
+ while (retries) {
|
|
+ reinit_completion(&mcu->reply->received);
|
|
+ mcu->reply->size = 0;
|
|
+ usleep_range(2000, 10000);
|
|
+ serdev_device_write_flush(mcu->serdev);
|
|
+ ret = serdev_device_write_buf(mcu->serdev, cmd, size);
|
|
+ if (ret < 0)
|
|
+ goto exit;
|
|
+
|
|
+ serdev_device_wait_until_sent(mcu->serdev, IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT);
|
|
+ ret = wait_for_completion_timeout(&mcu->reply->received,
|
|
+ IEI_WT61P803_PUZZLE_GENERAL_TIMEOUT);
|
|
+ retries--;
|
|
+ if (ret == 0) {
|
|
+ if (retries == 0) {
|
|
+ dev_err(dev, "Command reply receive timeout\n");
|
|
+ ret = -ETIMEDOUT;
|
|
+ goto exit;
|
|
+ }
|
|
+ }
|
|
+ else {
|
|
+ if (mcu->reply->data[0] == IEI_WT61P803_PUZZLE_CMD_HEADER_START &&
|
|
+ mcu->reply->data[1] == IEI_WT61P803_PUZZLE_CMD_RESPONSE_OK &&
|
|
+ mcu->reply->data[2] == IEI_WT61P803_PUZZLE_CHECKSUM_RESPONSE_OK) {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
}
|
|
-
|
|
*reply_size = mcu->reply->size;
|
|
/* Copy the received data, as it will not be available after a new frame is received */
|
|
memcpy(reply_data, mcu->reply->data, mcu->reply->size);
|