diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/qmi.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index ebb20fc8e3ba..5484112859a6 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -2717,6 +2717,19 @@ out: return ret; } +static void ath12k_qmi_m3_free(struct ath12k_base *ab) +{ + struct m3_mem_region *m3_mem = &ab->qmi.m3_mem; + + if (!m3_mem->vaddr) + return; + + dma_free_coherent(ab->dev, m3_mem->size, + m3_mem->vaddr, m3_mem->paddr); + m3_mem->vaddr = NULL; + m3_mem->size = 0; +} + static int ath12k_qmi_m3_load(struct ath12k_base *ab) { struct m3_mem_region *m3_mem = &ab->qmi.m3_mem; @@ -2747,8 +2760,14 @@ static int ath12k_qmi_m3_load(struct ath12k_base *ab) m3_len = fw->size; } - if (m3_mem->vaddr) - goto skip_m3_alloc; + /* In recovery/resume cases, M3 buffer is not freed, try to reuse that */ + if (m3_mem->vaddr) { + if (m3_mem->size >= m3_len) + goto skip_m3_alloc; + + /* Old buffer is too small, free and reallocate */ + ath12k_qmi_m3_free(ab); + } m3_mem->vaddr = dma_alloc_coherent(ab->dev, m3_len, &m3_mem->paddr, @@ -2772,19 +2791,6 @@ out: return ret; } -static void ath12k_qmi_m3_free(struct ath12k_base *ab) -{ - struct m3_mem_region *m3_mem = &ab->qmi.m3_mem; - - if (!m3_mem->vaddr) - return; - - dma_free_coherent(ab->dev, m3_mem->size, - m3_mem->vaddr, m3_mem->paddr); - m3_mem->vaddr = NULL; - m3_mem->size = 0; -} - static int ath12k_qmi_wlanfw_m3_info_send(struct ath12k_base *ab) { struct m3_mem_region *m3_mem = &ab->qmi.m3_mem; |