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wcn36xx: set DMA mask explicitly 

The device takes 32-bit addresses only, so inform the DMA API about it.
This is the default on msm8016, so that doesn't change anything, but
it's best practice to be explicit.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Daniel Mack 2018-05-23 11:14:26 +03:00 committed by Kalle Valo
parent 9a81cc23df
commit 57e06e0e2a
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/ath/wcn36xx/main.c
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@ -1309,6 +1309,12 @@ static int wcn36xx_probe(struct platform_device *pdev)
mutex_init(&wcn->hal_mutex);
mutex_init(&wcn->scan_lock);
ret = dma_set_mask_and_coherent(wcn->dev, DMA_BIT_MASK(32));
if (ret < 0) {
wcn36xx_err("failed to set DMA mask: %d\n", ret);
goto out_wq;
}
INIT_WORK(&wcn->scan_work, wcn36xx_hw_scan_worker);
wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw);