From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (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 365CD43B3FA for ; Tue, 21 Jul 2026 21:43:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670185; cv=none; b=o+NYx6U9ELJPC/n1Zy0R/1Rt3tx6C/0GqQgkpZLJw2BLSZr+cfMBUGiMblYf8XLunuKjU9ErmKUY9YYhRSKorSgVemKxgs6/Eu1AaSbXujIGYXnPYeQQ52/PFJ+bg3GcEGuvrq0lcwV1wG/LASHXL0nsoCEduebMfBGF6kgv1VE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784670185; c=relaxed/simple; bh=DefLr6N+E9PvdVZ8GGKHB1D7oDumfhx69XLAlNfBtz8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hYOAvGwF9j2jIiLVFLJWabvH92m4XmFGkDOEISnn0qGA3EAMQakYx4AEcl8O64/tIazgVIwXGeVNVm79nmnhCcWBM12RSxGXQ/H0OE5IlBAt72NIm5gNiTM4Ryi9J+yhP/4b2tuyL/V9nZ4rZObko2rL2HT4AzKL/CgaSARKcv4= 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=qHQEovjJ; arc=none smtp.client-ip=209.85.167.44 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="qHQEovjJ" Received: by mail-lf1-f44.google.com with SMTP id 2adb3069b0e04-5aec6360133so9819670e87.1 for ; Tue, 21 Jul 2026 14:43:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784670182; x=1785274982; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ok5uMFFrIqvWj5X3glWDZ3EQJA6Z86TLs/gXGnbTACs=; b=qHQEovjJjHgFggbVr08mU0Se9vmVHSBalwtXpWrLY0zO/ckL4rW0ILObyZmDu7u9nM tUHFk7RjuDe1+OrFYCoX6YIT5jQ3KRPv7r/kN2lkwZA24Dx9hAWXojHg/Zx2p4OABocQ LonbGXQOCd+UEKKApMUlQqEWacCrae6HvNhdizFdEp9Lw7Je5zJ5jnkTQEE7AYdvRARv HeX8T8p2KoLnLtPaaMBPg3bLFE2+R44SLWQR07mQmx12CYwwbNw/7HCR9FBRdR+ubqYX iYuhYfjw0zZI6bHfXwJe7BcOusM99/TSpnschYIENah+2gSC/sdheUtD15KIsJRnkzZd RkDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784670182; x=1785274982; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ok5uMFFrIqvWj5X3glWDZ3EQJA6Z86TLs/gXGnbTACs=; b=fzOpuFWq9y+H1Hwe3e5hpcYPGvb2Y7g3pa46MlcevnSKAPwe+b86zVa7DlvrxSCcx1 j39A1lXzjCWke+NLYomfXZ6Y+Dd8oqR8DpgklZZE5GmFxkZDe330LMed13AYSc2CqVRl baxiXunydE4r9IBwofavy+K7UEuEKzlZt7Fxg/oJTnFG3X/92qNe8mJBbbRiHAYAxzP6 prCEcqDczVsidPEbidzGGfewIRg1YOfl6FSeptRCREphLPFVau/K7QfwUc+iLsZJFnOM g+1PCoPLpadnRJ9ELh3L5U0wRT5cvRLqANFVFg6GdtdMtHvgeeyEUOZwtdW4YQjP5Er8 FVEQ== X-Forwarded-Encrypted: i=1; AHgh+Rr2SxNowvctJ62/NE56UBvEpgmh+RLIepgJ8CHBCsb/9xmAtsjPsFkRESrc5LxZ0ZfbgeR15I6mUWsLO6I=@vger.kernel.org X-Gm-Message-State: AOJu0Yw06w8uNMd1G9ci/+KDyD8+xFyr+VDqozAXcg6H6+B8SMpg8PZ/ gobzoy+Pj0y/M410TsLaNA/iYhiCfPqUtZUsgPE+kjeaudWkgPuW9Jno X-Gm-Gg: AR+sD13Wd1Z8SumlFhU0ACNOcKSAIXzOaewLmh5mJUUt2rwm/FhCtjh4xYOiAnrzSX3 MeW7xP2t/xTI0zq88oFpk/fxD38OUw2t8ZdF/8+4uGfoALNmy5MKxtlOIZ1oTJsmmvGdjuFyWDT NHjt8t7UtRWJjA8AapYBGn/TDmjicvhc++o8suyAuDzrQqmjK3zn3MYRb9KhSjh9puGa+A+cjgu UKK7LSHXSjG++Yn91fYGHCkF5yJMu9UPZxmWSNlm4gWl0HASn6vXZyNRYeLi64hzIfwD6iGqvnC uF0pMI97BMhG/ZUqn4EmieNirUWaTwFIZYJ9m5O9YcF6CunwVQfFNFewzq5BfO5s66R0TSoeDBs Qa6csr51wrPpgLLxZxifGBv7AMPpjnrSATfYgAbWcY3B6ba8DgnvIKLXFnqQiDuqG17SpMN+DpI 8= X-Received: by 2002:a05:6512:61d3:20b0:5ae:b135:64de with SMTP id 2adb3069b0e04-5b28f9ac22amr3357626e87.31.1784670182135; Tue, 21 Jul 2026 14:43:02 -0700 (PDT) Received: from archlinux ([94.229.19.199]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b2a9bada25sm131509e87.30.2026.07.21.14.43.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 14:43:01 -0700 (PDT) From: Nikolay Kulikov To: Greg Kroah-Hartman , Hans de Goede , Mauro Carvalho Chehab , Sakari Ailus , Andy Shevchenko Cc: linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Nikolay Kulikov Subject: [PATCH 2/2] staging: media: atomisp: remove unused functions from hmm_bo.c Date: Wed, 22 Jul 2026 00:42:33 +0300 Message-ID: <20260721214238.840406-3-nikolayof23@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721214238.840406-1-nikolayof23@gmail.com> References: <20260721214238.840406-1-nikolayof23@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Remove several functions that are defined but never called. Signed-off-by: Nikolay Kulikov --- .../media/atomisp/include/hmm/hmm_bo.h | 19 ---- .../staging/media/atomisp/pci/hmm/hmm_bo.c | 97 ------------------- 2 files changed, 116 deletions(-) diff --git a/drivers/staging/media/atomisp/include/hmm/hmm_bo.h b/drivers/staging/media/atomisp/include/hmm/hmm_bo.h index e09ac29ac43d..ba3c582a0f89 100644 --- a/drivers/staging/media/atomisp/include/hmm/hmm_bo.h +++ b/drivers/staging/media/atomisp/include/hmm/hmm_bo.h @@ -205,7 +205,6 @@ int hmm_bo_page_allocated(struct hmm_buffer_object *bo); */ int hmm_bo_bind(struct hmm_buffer_object *bo); void hmm_bo_unbind(struct hmm_buffer_object *bo); -int hmm_bo_binded(struct hmm_buffer_object *bo); /* * vmap buffer object's pages to contiguous kernel virtual address. @@ -224,17 +223,6 @@ void hmm_bo_flush_vmap(struct hmm_buffer_object *bo); */ void hmm_bo_vunmap(struct hmm_buffer_object *bo); -/* - * mmap the bo's physical pages to specific vma. - * - * vma's address space size must be the same as bo's size, - * otherwise it will return -EINVAL. - * - * vma->vm_flags will be set to (VM_RESERVED | VM_IO). - */ -int hmm_bo_mmap(struct vm_area_struct *vma, - struct hmm_buffer_object *bo); - /* * find the buffer object by its virtual address vaddr. * return NULL if no such buffer object found. @@ -251,11 +239,4 @@ struct hmm_buffer_object *hmm_bo_device_search_start( struct hmm_buffer_object *hmm_bo_device_search_in_range( struct hmm_bo_device *bdev, ia_css_ptr vaddr); -/* - * find the buffer object with kernel virtual address vaddr. - * return NULL if no such buffer object found. - */ -struct hmm_buffer_object *hmm_bo_device_search_vmap_start( - struct hmm_bo_device *bdev, const void *vaddr); - #endif diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c index 0a8f401a1ca1..837077f1d229 100644 --- a/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c +++ b/drivers/staging/media/atomisp/pci/hmm/hmm_bo.c @@ -578,31 +578,6 @@ struct hmm_buffer_object *hmm_bo_device_search_in_range( return bo; } -struct hmm_buffer_object *hmm_bo_device_search_vmap_start( - struct hmm_bo_device *bdev, const void *vaddr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return(bdev, NULL); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->entire_bo_list) { - bo = list_to_hmm_bo(pos); - /* pass bo which has no vm_node allocated */ - if ((bo->status & HMM_BO_MASK) == HMM_BO_FREE) - continue; - if (bo->vmap_addr == vaddr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return NULL; -found: - spin_unlock_irqrestore(&bdev->list_lock, flags); - return bo; -} - static void free_pages_bulk_array(unsigned long nr_pages, struct page **page_array) { unsigned long i; @@ -885,21 +860,6 @@ void hmm_bo_unbind(struct hmm_buffer_object *bo) "buffer vm or page not allocated or not binded yet.\n"); } -int hmm_bo_binded(struct hmm_buffer_object *bo) -{ - int ret; - - check_bo_null_return(bo, 0); - - mutex_lock(&bo->mutex); - - ret = bo->status & HMM_BO_BINDED; - - mutex_unlock(&bo->mutex); - - return ret; -} - void *hmm_bo_vmap(struct hmm_buffer_object *bo, bool cached) { check_bo_null_return(bo, NULL); @@ -1023,60 +983,3 @@ static const struct vm_operations_struct hmm_bo_vm_ops = { .open = hmm_bo_vm_open, .close = hmm_bo_vm_close, }; - -/* - * mmap the bo to user space. - */ -int hmm_bo_mmap(struct vm_area_struct *vma, struct hmm_buffer_object *bo) -{ - unsigned int start, end; - unsigned int virt; - unsigned int pgnr, i; - unsigned int pfn; - - check_bo_null_return(bo, -EINVAL); - - check_bo_status_yes_goto(bo, HMM_BO_PAGE_ALLOCED, status_err); - - pgnr = bo->pgnr; - start = vma->vm_start; - end = vma->vm_end; - - /* - * check vma's virtual address space size and buffer object's size. - * must be the same. - */ - if ((start + pgnr_to_size(pgnr)) != end) { - dev_warn(atomisp_dev, - "vma's address space size not equal to buffer object's size"); - return -EINVAL; - } - - virt = vma->vm_start; - for (i = 0; i < pgnr; i++) { - pfn = page_to_pfn(bo->pages[i]); - if (remap_pfn_range(vma, virt, pfn, PAGE_SIZE, PAGE_SHARED)) { - dev_warn(atomisp_dev, - "remap_pfn_range failed: virt = 0x%x, pfn = 0x%x, mapped_pgnr = %d\n", - virt, pfn, 1); - return -EINVAL; - } - virt += PAGE_SIZE; - } - - vma->vm_private_data = bo; - - vma->vm_ops = &hmm_bo_vm_ops; - vm_flags_set(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP); - - /* - * call hmm_bo_vm_open explicitly. - */ - hmm_bo_vm_open(vma); - - return 0; - -status_err: - dev_err(atomisp_dev, "buffer page not allocated yet.\n"); - return -EINVAL; -} -- 2.55.0