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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 v4 13/21] hpet: replace deprecated mmap hook with mmap_prepare Date: Fri, 20 Mar 2026 22:39:39 +0000 Message-ID: <094c5fcfb2459a4f6d791b1fb852b01e252a44d4.1774045440.git.ljs@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: A473A120002 X-Stat-Signature: dsbab4w7k9y5j4dca6p8z5ref4jusbut X-Rspam-User: X-HE-Tag: 1774046443-857957 X-HE-Meta: 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 Low898Vd 6K75VBgNy6uOuxP8n0DdQSZy4zLAqfCRmNIqBzXUUeQluBeaf7QVWdoKsepB0nXnTO4dxsAscYUW3Unr/ugtFQv6N+zAhk46F/0FX5q7CC/KiPUEhjjB0PueZFjhFPuHGybcz/mo60j0krN1gT5YH4S7ltq9AAgaJApJS7N8/xjCrq6uyfTqdk7MKSthZeawZhhnMQx45656ZvplrzBD0cnHe/HxuhGZh5S7qa1esGraQdLYl8WnFFmDkUoYevnScOv6RcG9I3SZjjbxUkOiCdf5JdpWUUfiuUFAtDDE2K46aSJbN8rcE6bgGC7u8HqGzChiZV0PfduHIyCiMGAQ4fFNUZCDZNCRjFiQzVGY0EzDNE9vu3Gd8WhbNjQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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=", hpet_mmap_enable); -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 = desc->file; struct hpet_dev *devp; unsigned long addr; @@ -368,11 +369,12 @@ static int hpet_mmap(struct file *file, struct vm_area_struct *vma) if (addr & (PAGE_SIZE - 1)) return -ENOSYS; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - return vm_iomap_memory(vma, addr, PAGE_SIZE); + desc->page_prot = 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 = { .open = hpet_open, .release = hpet_release, .fasync = hpet_fasync, - .mmap = hpet_mmap, + .mmap_prepare = hpet_mmap_prepare, }; static int hpet_is_known(struct hpet_data *hdp) -- 2.53.0