From nobody Sun Dec 14 20:19:21 2025 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF70526F476; Thu, 10 Jul 2025 01:01:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752109312; cv=none; b=m5XUdHk3neju7jx7fUsFi85f4YKuzdP6kY8nxhaRFT6I0TAlp2p+RApjEZ8MJDGgvJEWfsAjnPMn3OlunRoIhvH0PZSqZH9ABblpaWIXUsARN1t6tvr4Bc97hjPxpfsCQ7pkNO4jHwy+g37wScVMZTmOkQAFhPHTNlG3JMS0AJs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752109312; c=relaxed/simple; bh=M1YsmDbGJwWY/B0rcU4jVlyPC8PdNio+2N9SDx19JPA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=hbqcZovLUXgb1iiG5MD2vPhkekiS7Ul/qW5n6Z1vf8HPEf5zcZ6cheRL2QhcwpSzTWWR/qrphogvhztfR1gJy/vfjhEUoeu5nNU+onez0eHAU6UMmuAtXIUz/SIWuah1z0a6qXDHwEieLf+1hsikoIdzojQ7pDy4MnGHjqTLCj8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CThoAP8j; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CThoAP8j" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-454b9185d93so108115e9.2; Wed, 09 Jul 2025 18:01:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752109309; x=1752714109; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=6lqJZbsPmHAs+IvsrdhKTt1/Tbcc/A+mUT/M0FKTBrw=; b=CThoAP8jONn/etfE7yMUWXKeoGbbAROiLs5aF3RhVjbAPBbIeaUbRVD61Lv1tcNuIQ bm1s4H0bwgV/LgeLmyTZSf6FLZFEv6yvr+CQta3B6kkWpJNmVTa09hKD1Y20Gcu8ELYI jxCk9CNHC0fj5N6Dbbiv472ZAGtxbqtxhD7tXQzLbSK2MoK0ZRD0CFjFBT/tPC3voFj1 BMjZnT4t3meUS8fV2ipnCeXWbgHhf6WA94u+xJJ9kxddKyatzAcgo89IlB+JUOFg8XMC Kqmqa+TeX9rWGXATNnD1C/loqtG4goW7a1FMUflr+WzdBTVbv75elFSP63ulItWz8HKd wHhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752109309; x=1752714109; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=6lqJZbsPmHAs+IvsrdhKTt1/Tbcc/A+mUT/M0FKTBrw=; b=esw9DNgQHMbty3bd0MZY2qzQ0KQn4h3OIKl+HPSedFxuzG+aO96VYr5xXu+vmMOmRF U21DnzKQAPk3JtqcFTKE3gaprJmBZ30g3eU1QqUZDXRqy7g5BDhies/hbWt2eI71LGcr FL/rzzjsejZxoRVbigtcsE5LEQQJ01NLMlPAhFu96DmZxN8IG2cfQUN47KM4jNwWmp7E sSK9K0nUMsCQeQ99P5QgZa7FgJFCFHGXlb+rU7U1YuCZbIBD9QxP5MDkYnmslOWZbjxS tTG3rAbW61Q5xllJ86SXpvgxiJawWU4R+RZ1keUmd5/crsCQSpCbNdpla9vIVxQ1M9MC 6wag== X-Forwarded-Encrypted: i=1; AJvYcCU1XuahyAnA1MQswBlzYuulDGAxvVq5V/Zkc9j0aHlIBhYQ1ZBe3q6L2zUSxIjGTO7R2I5Y0k1wEq4fjd0=@vger.kernel.org X-Gm-Message-State: AOJu0YzVu4Gc5gz/yN30fx1a+KSxVJ1uvvrzzFGL9IMywbIq/PTbCm5T uZiSCfV832Onj8VXKsCm5b9/HgAPb3YQdq2O1MLSzhdY3+wFJ8WzLsYs X-Gm-Gg: ASbGncv+EIIDecQlpyMoaqz4pY12fX220aD40V7XjGFtuik4ZXO+8Yjb7R3gH8Z8p9L xsYQEP7Wbnl/f9kQS3djU7Oy0et3xWcc4RiKtTAd6bIvSiByfXOsWzwibYLtiG3E+emTKYkvTb6 OzbelAmXzM9HwpeuoSP5225WZRD82idcT2Bk8pmWY60PcpYyM4VoslTcwkX8BUEg2+6nX+5nHe3 wvX4v5j0DAq9ZMTyugZDGtWIBwgYSRrbRtg1ZgLOajMWxOB8opIUqvMBA2V51ku+73K+VcA7fwF DjQdQlQGPl56opCbexD4gbE8eCRQqqIV4kpmljBAPlx8VnDLPUIH1gW42aJJbESrmB3MIkR9ibB 5s6Tn3deCtSHm2dOCnz51Mu8= X-Google-Smtp-Source: AGHT+IF5UvDpLNDVjM54tSi8Gr5TA9ysTCFcSut/nKUTewLVf1mVhmlBgKi4jczA+xhIl606XbYwGw== X-Received: by 2002:a05:600c:45c8:b0:442:e608:12a6 with SMTP id 5b1f17b1804b1-454d5301ea8mr16803995e9.1.1752109308466; Wed, 09 Jul 2025 18:01:48 -0700 (PDT) Received: from localhost.localdomain ([154.182.167.55]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-454dd43915dsm3587375e9.7.2025.07.09.18.01.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jul 2025 18:01:48 -0700 (PDT) From: Abdelrahman Fekry To: hansg@kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, andy@kernel.org, gregkh@linuxfoundation.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel-mentees@lists.linux.dev, skhan@linuxfoundation.org, dan.carpenter@linaro.org, Abdelrahman Fekry Subject: [PATCH] staging: media: atomisp: move hmm_get_mmu_base_addr() Date: Thu, 10 Jul 2025 04:01:30 +0300 Message-Id: <20250710010130.113441-1-abdelrahmanfekry375@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The function hmm_get_mmu_base_addr() is related to the functionality of hmm so its better to be declared and defined in this scope. - Move hmm_get_mmu_base_addr() to hmm.c. - Change hmm_bo_device struct to be static. Note: This patch builds on [1], [2] that were not accepted yet. Link: https://lore.kernel.org/all/20250708164408.79863-1-abdelrahmanfekry37= 5@gmail.com/ [1] Link: https://lore.kernel.org/all/20250708164408.79863-2-abdelrahmanfekry37= 5@gmail.com/ [2] Signed-off-by: Abdelrahman Fekry --- drivers/staging/media/atomisp/include/hmm/hmm.h | 4 +--- .../media/atomisp/pci/atomisp_compat_css20.c | 12 ------------ drivers/staging/media/atomisp/pci/hmm/hmm.c | 14 +++++++++++++- 3 files changed, 14 insertions(+), 16 deletions(-) diff --git a/drivers/staging/media/atomisp/include/hmm/hmm.h b/drivers/stag= ing/media/atomisp/include/hmm/hmm.h index a7aef27f54de..da85d835ec10 100644 --- a/drivers/staging/media/atomisp/include/hmm/hmm.h +++ b/drivers/staging/media/atomisp/include/hmm/hmm.h @@ -33,7 +33,7 @@ int hmm_load(ia_css_ptr virt, void *data, unsigned int by= tes); int hmm_store(ia_css_ptr virt, const void *data, unsigned int bytes); int hmm_set(ia_css_ptr virt, int c, unsigned int bytes); int hmm_flush(ia_css_ptr virt, unsigned int bytes); - +int hmm_get_mmu_base_addr(struct device *dev, unsigned int *mmu_base_addr); /* * get kernel memory physical address from ISP virtual address. */ @@ -65,6 +65,4 @@ void hmm_flush_vmap(ia_css_ptr virt); */ int hmm_mmap(struct vm_area_struct *vma, ia_css_ptr virt); =20 -extern struct hmm_bo_device bo_device; - #endif diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c b/dri= vers/staging/media/atomisp/pci/atomisp_compat_css20.c index be5f37f4a6fd..b4913cb32a64 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c +++ b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c @@ -157,18 +157,6 @@ void atomisp_load_uint32(hrt_address addr, uint32_t *d= ata) *data =3D atomisp_css2_hw_load_32(addr); } =20 -static int hmm_get_mmu_base_addr(struct device *dev, unsigned int *mmu_bas= e_addr) -{ - if (!sh_mmu_mrfld.get_pd_base) { - dev_err(dev, "get mmu base address failed.\n"); - return -EINVAL; - } - - *mmu_base_addr =3D sh_mmu_mrfld.get_pd_base(&bo_device.mmu, - bo_device.mmu.base_address); - return 0; -} - static void __dump_pipe_config(struct atomisp_sub_device *asd, struct atomisp_stream_env *stream_env, unsigned int pipe_id) diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm.c b/drivers/staging/= media/atomisp/pci/hmm/hmm.c index 8d64e5fd812c..321166e58bb5 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm.c @@ -24,7 +24,7 @@ #include "mmu/isp_mmu.h" #include "mmu/sh_mmu_mrfld.h" =20 -struct hmm_bo_device bo_device; +static struct hmm_bo_device bo_device; static ia_css_ptr dummy_ptr =3D mmgr_EXCEPTION; =20 int hmm_init(void) @@ -488,3 +488,15 @@ void hmm_vunmap(ia_css_ptr virt) =20 hmm_bo_vunmap(bo); } + +int hmm_get_mmu_base_addr(struct device *dev, unsigned int *mmu_base_addr) +{ + if (!sh_mmu_mrfld.get_pd_base) { + dev_err(dev, "get mmu base address failed.\n"); + return -EINVAL; + } + + *mmu_base_addr =3D sh_mmu_mrfld.get_pd_base(&bo_device.mmu, + bo_device.mmu.base_address); + return 0; +} --=20 2.25.1