From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E68DEE77180 for ; Tue, 10 Dec 2024 14:49:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mpXOCU2uQCTqmI0c6SfglBt0LO2/J6QarvLoeSw1oAE=; b=dsq+lHImp+PgnRJA7v01dKtbMZ rxHJR4+MnFUyQ2dO+XuIbf5r75XHtfBIcwEgA8RojZ/7zCwd5c8GEW93lMa+DdGLCWLIgkbIOSdX1 rDPvZqQfCSux4GXAeHpBfk7CDtfoLqKE8M7uf77L4c5tCAYHUMSQGS+fwOsvMu+O2PT2YMbQ0M92J YiC7ii/NsMH5KWDQmWRMjm3vEyD2W8WcJGNyalyf8RRSUF4v9ZU+LMvBvKSgLCVx+37ifr3ngUTkf TOt5ARfXKcgC7HWYEQa10gJzE+IaNPTcikHQ64hGB2c5weYUR/pxT/DQdI9bKh6TO11e4JQLdUNLO kNnEmRVA==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241210_064755_455292_CD164B76 X-CRM114-Status: GOOD ( 25.32 ) X-BeenThere: ath12k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath12k" Errors-To: ath12k-bounces+ath12k=archiver.kernel.org@lists.infradead.org On 10/12/2024 08:41, Raj Kumar Bhagat wrote: > From: Balamurugan S > > Add Initial Ath12k AHB driver support for IPQ5332. IPQ5332 is AHB > based IEEE802.11be 2 GHz 2x2 WiFi device. > > Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1 > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Balamurugan S > Co-developed-by: P Praneesh > Signed-off-by: P Praneesh > Co-developed-by: Raj Kumar Bhagat > Signed-off-by: Raj Kumar Bhagat > --- > drivers/net/wireless/ath/ath12k/ahb.c | 878 +++++++++++++++++++++++++ > drivers/net/wireless/ath/ath12k/ahb.h | 37 ++ > drivers/net/wireless/ath/ath12k/core.h | 4 + > drivers/net/wireless/ath/ath12k/hal.h | 1 + > drivers/net/wireless/ath/ath12k/hw.h | 1 + > 5 files changed, 921 insertions(+) > create mode 100644 drivers/net/wireless/ath/ath12k/ahb.c > create mode 100644 drivers/net/wireless/ath/ath12k/ahb.h > > diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c > new file mode 100644 > index 000000000000..fcd949faea9f > --- /dev/null > +++ b/drivers/net/wireless/ath/ath12k/ahb.c > @@ -0,0 +1,878 @@ > +// SPDX-License-Identifier: BSD-3-Clause-Clear > +/* > + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. > + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#include > +#include > +#include > +#include > +#include You don't use this header. > +#include > +#include > +#include More headers here look unused. > +#include > +#include > +#include "ahb.h" > +#include "debug.h" > +#include "hif.h" > + > +static const struct of_device_id ath12k_ahb_of_match[] = { > + { .compatible = "qcom,ipq5332-wifi", > + .data = (void *)ATH12K_HW_IPQ5332_HW10, > + }, > + { } > +}; > + > +MODULE_DEVICE_TABLE(of, ath12k_ahb_of_match); This goes to driver struct declaration. It is really unusual to see it in some other places. > + > +#define ATH12K_IRQ_CE0_OFFSET 4 > + ... > + > +static int ath12k_ahb_probe(struct platform_device *pdev) > +{ > + struct ath12k_base *ab; > + const struct ath12k_hif_ops *hif_ops; > + struct device_node *mem_node; > + enum ath12k_hw_rev hw_rev; > + u32 addr; > + int ret; > + > + hw_rev = ath12k_ahb_get_hw_rev(pdev); > + switch (hw_rev) { > + case ATH12K_HW_IPQ5332_HW10: > + hif_ops = &ath12k_ahb_hif_ops_ipq5332; > + break; > + default: > + dev_err(&pdev->dev, "Unsupported device type %d\n", hw_rev); You already print once in ath12k_ahb_get_hw_rev() and none of these can happen. No need to print impossible conditions at all. No need to print impossible things twice. > + return -EOPNOTSUPP; > + } > + > + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); > + if (ret) { > + dev_err(&pdev->dev, "Failed to set 32-bit coherent dma\n"); > + return ret; > + } > + > + ab = ath12k_core_alloc(&pdev->dev, sizeof(struct ath12k_ahb), > + ATH12K_BUS_AHB); > + if (!ab) { > + dev_err(&pdev->dev, "failed to allocate ath12k base\n"); > + return -ENOMEM; > + } > + > + ab->hif.ops = hif_ops; > + ab->pdev = pdev; > + ab->hw_rev = hw_rev; > + platform_set_drvdata(pdev, ab); > + > + /* Set fixed_mem_region to true for platforms that support fixed memory > + * reservation from DT. If memory is reserved from DT for FW, ath12k driver > + * need not to allocate memory. > + */ > + if (!of_property_read_u32(ab->dev->of_node, "memory-region", &addr)) { > + set_bit(ATH12K_FLAG_FIXED_MEM_REGION, &ab->dev_flags); > + > + /* If the platform supports fixed memory, then it should define/ > + * reserve MLO global memory in DT to support Multi Link Operation > + * (IEEE 802.11be). > + * If MLO global memory is not reserved in fixed memory mode, then > + * MLO cannot be supported. > + */ > + mem_node = of_find_node_by_name(NULL, "mlo_global_mem_0"); NAK. Incorrect name, not conforming to coding style. Undocumented ABI. Drop all calls to of_find_node_by_name() or any other stuff like this. > + if (!mem_node) > + ab->single_chip_mlo_supp = false; > + } > + > + ret = ath12k_core_pre_init(ab); > + if (ret) > + goto err_core_free; Best regards, Krzysztof