[PATCH ath-next] wifi: ath12k: fix truncated TX buffer DMA address in MSDU ext descriptor

[Jeff Johnson]

On Tue, 18 Aug 2026 10:03:41 +0800, Baochen Qiang wrote:
> ath12k_wifi7_hal_tx_cmd_ext_desc_setup() programs the low 32 bits of the
> TX buffer physical address into HAL_TX_MSDU_EXT_INFO0_BUF_PTR_LO but
> hardcodes the high bits field HAL_TX_MSDU_EXT_INFO1_BUF_PTR_HI to 0x0.
> 
> dma_addr_t is 64-bit on platforms with CONFIG_ARCH_DMA_ADDR_T_64BIT, so
> whenever a TX buffer is mapped above the 4 GB boundary the upper bits of
> paddr are dropped and the firmware is handed a truncated address,
> leading to potential TX failures.
> 
> [...]

Applied, thanks!

[1/1] wifi: ath12k: fix truncated TX buffer DMA address in MSDU ext descriptor
      commit: 979ecb88ed3528e08dd7f87b90b029374226ca84

Best regards,
-- 
Jeff Johnson <jeff.johnson at oss.qualcomm.com>