From nobody Mon Apr 6 13:30:34 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 A5C133F786B; Thu, 19 Mar 2026 18:24:08 +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=1773944648; cv=none; b=qcIrmPF3p+qxiPX2MLECFdhdV1aWx4rbS6iS5tkm+TR9VyIjQacRrU7hsEVtRjHhM1z6uOvBonL/GM1Hb/Fst9Z1sZTgWR3Qi2yaZ4eKsVJJPpXWVH79rL3w+2VogWWhrjHcDuG2M/ddTuci09NvfRKRI+kZeoMsunmDqf0lek4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773944648; c=relaxed/simple; bh=LhT0XvoqFL5inoAn3uLwrHjF8WgiWC6oU1y5hKpoQX4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rwFyfcpt33oQbUO5/gIOMetT/IUxFKYKEZZmhHivYbflHpTbA9Z34MHVNBATItswtuJrt9+K1y85UY06+7eHvFx23keX0KCLTe7lMTBTsOwr5D6cQq6WMvUeYBBP7uVF6iYNRR1Sc/2C71iNyv/5FtG0JCL5KbCRPKFfO04vp5k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Xix1hbzJ; 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="Xix1hbzJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ACFCBC19425; Thu, 19 Mar 2026 18:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773944648; bh=LhT0XvoqFL5inoAn3uLwrHjF8WgiWC6oU1y5hKpoQX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xix1hbzJ17ib608MrpnaHLSucjdnwjosxSDyq47tfbrRhwyG7s308M1gzj3WuaQBZ mYnz0FxfmNkkvF6/w6M1GodW8m/d88eySpDOdx99xXsOo5tuwx9gaf47WhdUN3dbmm pqIqFVBuoLDjcgsq43adH3LA5d3+IYUWO+6gysnULFkCuAK5/UAHgsIi6gS277LJIm 0ksjH5Git6YNho13gk0VVEKAbV+jBcbc3wRjyqxjbp74q6vxX1k15DRnzKNg1BpL7u wOUEtso4ghSPyQ5wjqiqAWPqLFPKK9g2JFcEFKOEKjeFzQA0Q8Eg9pdlakIk71kwqH 44c0TBid3Al3Q== 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 v3 08/16] hpet: replace deprecated mmap hook with mmap_prepare Date: Thu, 19 Mar 2026 18:23:32 +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(). Reviewed-by: Suren Baghdasaryan Signed-off-by: Lorenzo Stoakes (Oracle) --- 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