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path: root/drivers/net/wireless/ath/ath11k/qmi.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath11k/qmi.c')
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.c54
1 files changed, 36 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 41fad03a3025..c270dc46d506 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2502,38 +2502,56 @@ out:
static int ath11k_qmi_m3_load(struct ath11k_base *ab)
{
struct m3_mem_region *m3_mem = &ab->qmi.m3_mem;
- const struct firmware *fw;
+ const struct firmware *fw = NULL;
+ const void *m3_data;
char path[100];
+ size_t m3_len;
int ret;
- fw = ath11k_core_firmware_request(ab, ATH11K_M3_FILE);
- if (IS_ERR(fw)) {
- ret = PTR_ERR(fw);
- ath11k_core_create_firmware_path(ab, ATH11K_M3_FILE,
- path, sizeof(path));
- ath11k_err(ab, "failed to load %s: %d\n", path, ret);
- return ret;
- }
+ if (m3_mem->vaddr)
+ /* m3 firmware buffer is already available in the DMA buffer */
+ return 0;
- if (m3_mem->vaddr || m3_mem->size)
- goto skip_m3_alloc;
+ if (ab->fw.m3_data && ab->fw.m3_len > 0) {
+ /* firmware-N.bin had a m3 firmware file so use that */
+ m3_data = ab->fw.m3_data;
+ m3_len = ab->fw.m3_len;
+ } else {
+ /* No m3 file in firmware-N.bin so try to request old
+ * separate m3.bin.
+ */
+ fw = ath11k_core_firmware_request(ab, ATH11K_M3_FILE);
+ if (IS_ERR(fw)) {
+ ret = PTR_ERR(fw);
+ ath11k_core_create_firmware_path(ab, ATH11K_M3_FILE,
+ path, sizeof(path));
+ ath11k_err(ab, "failed to load %s: %d\n", path, ret);
+ return ret;
+ }
+
+ m3_data = fw->data;
+ m3_len = fw->size;
+ }
m3_mem->vaddr = dma_alloc_coherent(ab->dev,
- fw->size, &m3_mem->paddr,
+ m3_len, &m3_mem->paddr,
GFP_KERNEL);
if (!m3_mem->vaddr) {
ath11k_err(ab, "failed to allocate memory for M3 with size %zu\n",
fw->size);
- release_firmware(fw);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out;
}
-skip_m3_alloc:
- memcpy(m3_mem->vaddr, fw->data, fw->size);
- m3_mem->size = fw->size;
+ memcpy(m3_mem->vaddr, m3_data, m3_len);
+ m3_mem->size = m3_len;
+
+ ret = 0;
+
+out:
release_firmware(fw);
- return 0;
+ return ret;
}
static void ath11k_qmi_m3_free(struct ath11k_base *ab)