diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/pci.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 0a2b2ba4ae07..8c09d61138a1 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -6,6 +6,7 @@ #include <linux/module.h> #include <linux/msi.h> #include <linux/pci.h> +#include <linux/of.h> #include "pci.h" #include "core.h" @@ -1347,7 +1348,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev, { struct ath11k_base *ab; struct ath11k_pci *ab_pci; - u32 soc_hw_version_major, soc_hw_version_minor; + u32 soc_hw_version_major, soc_hw_version_minor, addr; int ret; ab = ath11k_core_alloc(&pdev->dev, sizeof(*ab_pci), ATH11K_BUS_PCI, @@ -1367,6 +1368,14 @@ static int ath11k_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, ab); spin_lock_init(&ab_pci->window_lock); + /* Set fixed_mem_region to true for platforms support reserved memory + * from DT. If memory is reserved from DT for FW, ath11k driver need not + * allocate memory. + */ + ret = of_property_read_u32(ab->dev->of_node, "memory-region", &addr); + if (!ret) + set_bit(ATH11K_FLAG_FIXED_MEM_RGN, &ab->dev_flags); + ret = ath11k_pci_claim(ab_pci, pdev); if (ret) { ath11k_err(ab, "failed to claim device: %d\n", ret); |