diff options
| -rw-r--r-- | drivers/net/wireless/cnss/cnss_pci.c | 51 |
1 files changed, 14 insertions, 37 deletions
diff --git a/drivers/net/wireless/cnss/cnss_pci.c b/drivers/net/wireless/cnss/cnss_pci.c index 22c59d8c3c45..c9412ca6e794 100644 --- a/drivers/net/wireless/cnss/cnss_pci.c +++ b/drivers/net/wireless/cnss/cnss_pci.c @@ -134,7 +134,6 @@ static DEFINE_SPINLOCK(pci_link_down_lock); #define FW_IMAGE_MISSION (0x02) #define FW_IMAGE_BDATA (0x03) #define FW_IMAGE_PRINT (0x04) -#define FW_SETUP_DELAY 2000 #define SEG_METADATA (0x01) #define SEG_NON_PAGED (0x02) @@ -274,10 +273,8 @@ static struct cnss_data { u32 fw_dma_size; u32 fw_seg_count; struct segment_memory fw_seg_mem[MAX_NUM_OF_SEGMENTS]; - atomic_t fw_store_in_progress; /* Firmware setup complete lock */ struct mutex fw_setup_stat_lock; - struct completion fw_setup_complete; void *bdata_cpu; dma_addr_t bdata_dma; u32 bdata_dma_size; @@ -1374,15 +1371,6 @@ int cnss_get_fw_image(struct image_desc_info *image_desc_info) !penv->fw_seg_count || !penv->bdata_seg_count) return -EINVAL; - /* Check for firmware setup trigger by usersapce is in progress - * and wait for complition of firmware setup. - */ - - if (atomic_read(&penv->fw_store_in_progress)) { - wait_for_completion_timeout(&penv->fw_setup_complete, - msecs_to_jiffies(FW_SETUP_DELAY)); - } - mutex_lock(&penv->fw_setup_stat_lock); image_desc_info->fw_addr = penv->fw_dma; image_desc_info->fw_size = penv->fw_dma_size; @@ -1627,7 +1615,9 @@ static int cnss_wlan_pci_probe(struct pci_dev *pdev, goto err_pcie_suspend; } + mutex_lock(&penv->fw_setup_stat_lock); cnss_wlan_fw_mem_alloc(pdev); + mutex_unlock(&penv->fw_setup_stat_lock); ret = device_create_file(&penv->pldev->dev, &dev_attr_wlan_setup); @@ -1874,17 +1864,11 @@ static ssize_t fw_image_setup_store(struct device *dev, if (!penv) return -ENODEV; - if (atomic_read(&penv->fw_store_in_progress)) { - pr_info("%s: Firmware setup in progress\n", __func__); - return 0; - } - - atomic_set(&penv->fw_store_in_progress, 1); - init_completion(&penv->fw_setup_complete); + mutex_lock(&penv->fw_setup_stat_lock); + pr_info("%s: Firmware setup in progress\n", __func__); if (kstrtoint(buf, 0, &val)) { - atomic_set(&penv->fw_store_in_progress, 0); - complete(&penv->fw_setup_complete); + mutex_unlock(&penv->fw_setup_stat_lock); return -EINVAL; } @@ -1895,8 +1879,7 @@ static ssize_t fw_image_setup_store(struct device *dev, if (ret != 0) { pr_err("%s: Invalid parsing of FW image files %d", __func__, ret); - atomic_set(&penv->fw_store_in_progress, 0); - complete(&penv->fw_setup_complete); + mutex_unlock(&penv->fw_setup_stat_lock); return -EINVAL; } penv->fw_image_setup = val; @@ -1906,9 +1889,8 @@ static ssize_t fw_image_setup_store(struct device *dev, penv->bmi_test = val; } - atomic_set(&penv->fw_store_in_progress, 0); - complete(&penv->fw_setup_complete); - + pr_info("%s: Firmware setup completed\n", __func__); + mutex_unlock(&penv->fw_setup_stat_lock); return count; } @@ -2007,16 +1989,21 @@ int cnss_get_codeswap_struct(struct codeswap_codeseg_info *swap_seg) { struct codeswap_codeseg_info *cnss_seg_info = penv->cnss_seg_info; + mutex_lock(&penv->fw_setup_stat_lock); if (!cnss_seg_info) { swap_seg = NULL; + mutex_unlock(&penv->fw_setup_stat_lock); return -ENOENT; } + if (!atomic_read(&penv->fw_available)) { pr_debug("%s: fw is not available\n", __func__); + mutex_unlock(&penv->fw_setup_stat_lock); return -ENOENT; } *swap_seg = *cnss_seg_info; + mutex_unlock(&penv->fw_setup_stat_lock); return 0; } @@ -2035,15 +2022,6 @@ static void cnss_wlan_memory_expansion(void) u_int32_t total_length = 0; struct pci_dev *pdev; - /* Check for firmware setup trigger by usersapce is in progress - * and wait for complition of firmware setup. - */ - - if (atomic_read(&penv->fw_store_in_progress)) { - wait_for_completion_timeout(&penv->fw_setup_complete, - msecs_to_jiffies(FW_SETUP_DELAY)); - } - mutex_lock(&penv->fw_setup_stat_lock); filename = cnss_wlan_get_evicted_data_file(); pdev = penv->pdev; @@ -2859,6 +2837,7 @@ static int cnss_probe(struct platform_device *pdev) penv->vreg_info.wlan_reg = NULL; penv->vreg_info.state = VREG_OFF; penv->pci_register_again = false; + mutex_init(&penv->fw_setup_stat_lock); ret = cnss_wlan_get_resources(pdev); if (ret) @@ -3016,8 +2995,6 @@ skip_ramdump: memset(phys_to_virt(0), 0, SZ_4K); #endif - atomic_set(&penv->fw_store_in_progress, 0); - mutex_init(&penv->fw_setup_stat_lock); ret = device_create_file(dev, &dev_attr_fw_image_setup); if (ret) { pr_err("cnss: fw_image_setup sys file creation failed\n"); |