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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 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: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 6133414000B X-Stat-Signature: rmiwmzt3xm9wbdhfoa8ic1wx69nrktd8 X-Rspam-User: X-HE-Tag: 1773944649-902388 X-HE-Meta: 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 vsOz9H19 BVrjqbJHXJM7N1peew+zqGcdHBbCo1UPbbaCDRdG9u+rVhKG10vN/3qU1zXglp4Lr8A+HpKuuhVSBccP5SqYUaDrAVB3SNxkSqS+I6f1/c5p6hRqFwNYXJeOdMxaMHlSb1GyTiWntfAyJVZhTz6FKpZz6SPMj84mOOzvRc3nP561yH3cYwimjo6/J2jDgjyVeg6okYbAgs+43xNz3LpjFTYSy5wvX6CqB60rXc4N2UmSyeqk+y0oPCedPhxnZDVPP3Dt+5I6sPWm0O+F3xWr1j8vzYCBgrSWpsneJloKoiA0CNB+uAzsaQIvzldrnlfrDbHYXTyMPe6L1HYnV0VBA6fXlVfOx9F7IWmfTLg+3PNwU374od+rKNHzzGQ== 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