From nobody Thu Apr 9 09:25:03 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CDA13659E0; Mon, 16 Mar 2026 21:14:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773695640; cv=none; b=njiWlcoBa+Ws4Td8CN3T7gvO+Nzks+QIyla9R2Lpuv1tkYzLffCVj5A3hyDzwG35ELWrJH6snHLpjLWWHedmBHUhJj/0gBLZW+X4CYoHrxoL6GRWQXr3kr7ahjMWRkRL7bkfTJVCEnyVCSwF9ehDsbpeeL7r9cCoFy6ywST8dpI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773695640; c=relaxed/simple; bh=N35PsY/nqCRIMm5eMpyBBuhak2KyJHh8Z/VDZF7nLys=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PJeDwDH35AoNAWExCDizsu8mxQyCf9fHlcyvvOGb3TQBV4ttSJ0cQ6fYrRX2Jrptu6s6SrZK5ZX8hz5XUbx06K8XmIqSW7umHur/jIuTKpbkWcvqGpx1KTxzIgO+N9UTWtvNX5n/TWS2qU/J6ThzSo0BDrHwiT7rQtL5iPndoeE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SooNWz9o; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SooNWz9o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5307EC2BCB3; Mon, 16 Mar 2026 21:13:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773695640; bh=N35PsY/nqCRIMm5eMpyBBuhak2KyJHh8Z/VDZF7nLys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SooNWz9oGWPLg/eYQ4qw72qEAI7Ry/S3s8O8gOnGA6CxS8wYVzRNuxA7Ln7HYsFkB zhRwtIZ61cvU2ELt2XjfJmPPH1gjNGhUmnwZ8mBvan4MrFkQ2J7BVbSn1VBjcUJ4k+ Of7ITjP7YAjTJ88QPRrmbFNX3DQtiru1EFQMUzDLKhqyY8W4/2OqNh/cDJAks0N71e PqRbTzN4rS2Q33fuhZlURobKEa8hORbg2rbLlbLkyDcgniHiIgMm5saZU/WsJ2tGru k5CxuqZc0QQnh1Zx/SWQnWnt/r6BZD3Km201D23jHKkR6KkTJyIpVF7uqiTCJ1dwqg 2LGNPUjqjjKAA== From: "Lorenzo Stoakes (Oracle)" To: Andrew Morton Cc: Jonathan Corbet , Clemens Ladisch , Arnd Bergmann , Greg Kroah-Hartman , "K . Y . Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Alexander Shishkin , Maxime Coquelin , Alexandre Torgue , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Bodo Stroesser , "Martin K . Petersen" , David Howells , Marc Dionne , Alexander Viro , Christian Brauner , Jan Kara , David Hildenbrand , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-mtd@lists.infradead.org, linux-staging@lists.linux.dev, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Ryan Roberts Subject: [PATCH v2 08/16] hpet: replace deprecated mmap hook with mmap_prepare Date: Mon, 16 Mar 2026 21:12:04 +0000 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: 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 f_op->mmap interface is deprecated, so update driver to use its successor, mmap_prepare. The driver previously used vm_iomap_memory(), so this change replaces it with its mmap_prepare equivalent, mmap_action_simple_ioremap(). Signed-off-by: Lorenzo Stoakes (Oracle) Reviewed-by: Suren Baghdasaryan --- drivers/char/hpet.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 60dd09a56f50..8f128cc40147 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -354,8 +354,9 @@ static __init int hpet_mmap_enable(char *str) } __setup("hpet_mmap=3D", hpet_mmap_enable); =20 -static int hpet_mmap(struct file *file, struct vm_area_struct *vma) +static int hpet_mmap_prepare(struct vm_area_desc *desc) { + struct file *file =3D desc->file; struct hpet_dev *devp; unsigned long addr; =20 @@ -368,11 +369,12 @@ static int hpet_mmap(struct file *file, struct vm_are= a_struct *vma) if (addr & (PAGE_SIZE - 1)) return -ENOSYS; =20 - vma->vm_page_prot =3D pgprot_noncached(vma->vm_page_prot); - return vm_iomap_memory(vma, addr, PAGE_SIZE); + desc->page_prot =3D pgprot_noncached(desc->page_prot); + mmap_action_simple_ioremap(desc, addr, PAGE_SIZE); + return 0; } #else -static int hpet_mmap(struct file *file, struct vm_area_struct *vma) +static int hpet_mmap_prepare(struct vm_area_desc *desc) { return -ENOSYS; } @@ -710,7 +712,7 @@ static const struct file_operations hpet_fops =3D { .open =3D hpet_open, .release =3D hpet_release, .fasync =3D hpet_fasync, - .mmap =3D hpet_mmap, + .mmap_prepare =3D hpet_mmap_prepare, }; =20 static int hpet_is_known(struct hpet_data *hdp) --=20 2.53.0