Return-path: Received: from mail.bugwerft.de ([46.23.86.59]:35530 "EHLO mail.bugwerft.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751671AbeEPOIe (ORCPT ); Wed, 16 May 2018 10:08:34 -0400 From: Daniel Mack To: linux-wireless@vger.kernel.org Cc: wcn36xx@lists.infradead.org, kvalo@codeaurora.org, rfried@codeaurora.org, bjorn.andersson@linaro.org, nicolas.dechesne@linaro.org, loic.poulain@linaro.org, Daniel Mack Subject: [PATCH 02/10] wcn36xx: set DMA mask explicitly Date: Wed, 16 May 2018 16:08:12 +0200 Message-Id: <20180516140820.1636-3-daniel@zonque.org> (sfid-20180516_160859_509573_DAB1ED79) In-Reply-To: <20180516140820.1636-1-daniel@zonque.org> References: <20180516140820.1636-1-daniel@zonque.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- drivers/net/wireless/ath/wcn36xx/main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index e3b91b3b38ef..e6330ad372b3 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -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); -- 2.14.3