int ath10k_bmi_fast_download(struct ath10k *ar,
u32 address, const void *buffer, u32 length)
{
int ret;
u32 last_work = 0;
u32 last_work_offset = length & ~0x3;
u32 unaligned_bytes = length & 0x3;
ret = ath10k_bmi_lz_stream_start(ar, address);
if (ret)
return ret;
/* copy the last word into a zero padded buffer */
if (unaligned_bytes)
memcpy(&last_work, buffer + last_work_offset, unaligned_bytes);
ret = ath10k_bmi_lz_data(ar, buffer, last_work_offset);
if (ret)
return ret;
if (unaligned_bytes)
ret = ath10k_bmi_lz_data(ar, &last_work, 4);
if (ret == 0) {
/*
* Close compressed stream and open a new (fake) one.
* This serves mainly to flush Target caches.
*/
ret = ath10k_bmi_lz_stream_start(ar, 0x00);
if (ret)
return ret;
}
return ret;
}
int ath10k_bmi_fast_download(struct ath10k *ar,
u32 address, const void *buffer, u32 length)
{
u8 trailer[4] = {};
u32 head_len = rounddown(length, 4);
u32 trailer_len = length - head_len;
int ret;
ret = ath10k_bmi_lz_stream_start(ar, address);
if (ret)
return ret;
/* copy the last word into a zero padded buffer */
if (trailer_len > 0)
memcpy(trailer, buffer + head_len, trailer_len);
ret = ath10k_bmi_lz_data(ar, buffer, head_len);
if (ret)
return ret;
if (trailer_len > 0)
ret = ath10k_bmi_lz_data(ar, trailer, 4);
if (ret != 0)
return ret;
/*
* Close compressed stream and open a new (fake) one.
* This serves mainly to flush Target caches.
*/
ret = ath10k_bmi_lz_stream_start(ar, 0x00);
return ret;
}