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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 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: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: D89BA140006 X-Rspamd-Server: rspam08 X-Stat-Signature: 199zyxt43wwgu83kfgr6jrhztsknzn4g X-HE-Tag: 1773695640-175240 X-HE-Meta: U2FsdGVkX18M3uX0ThUVDrOXt/Gg99Db6QF9EdYCQPMTg8k3dh9QijlylrEunhaHRDigK9WB4NKwMg1hFclioUgIdg+3qTWfafejLFbz5PjUze9wcOedASTAYVgQfCMdjFXAPG7bj7PgNFjSlB5mc8VQZk40pJ+dlHIYkTUKXYmxsIfJ2xtse1zu4Femjtb/YHD+ei6MKEp8mGzmj96P6NVWbxN2jQEhvrLuTtmRUQxPrxxw+jociqN9CAkMZ0+SAa9NSxpj2utnRnfqlGlcMM0/LW9Dp868UtOnAkIYLdkyd5tNorjHaPGWKlCees06O+VtXSWgUaa0tLN2dmGDLe8v1pc9d/w1ThwewiAVgyB39nl0r9TmP/Rnsahj8IBayqcQOA5xjdiwQ35eQFctmOXocgs0Qq6Lo9c56VwvTnxQ7Fs7E5LSLvyv4nLsfkRRjGWW8AYqUqNe63e4IZg7Y0M0tz0i/cV7a3mfdFCf0hp68XEQft/wCQ8+gNJJtwxx9Le570RJRMc1qllLgTUeoYuysXCUGMBNwY0Ud9hqxLfjISHZwwul3E+BZzO4ZIlVcv+Vm2XB9Ak/Pa6GmOBADCh/GbDTg0MgETC0+RGn2K6XqLSkr5o0vSKoyN967wTH+0S7N5WuBF3dgCfruJDGD+vkEtONu1ypu9x+4JVOmpOMuTWEFquu63EBa0mkK9FjSVp/YaKxIxALCoq4mj0fgH6EMD0zlq75fOHxeL5prY8ch/mCMQ2mvb4mO5BV85Uec5ErXwL2riR4jRL2F1OSPoGWFFAVOngOzw4tewISsMxG4VGkhA1PhO67UNRMa23ROj9A06+eem5pH11yc9vjV0hnmiOcDxWngWfGLWFhecrEe8idRDAPILm0FOkIIc2M6UdSVQHksixCEzS7xfjqPKeUaTbTJgeV37QrLbDhyon9HEwX7AR35bz3z3100aIIHCoOX2Aa8srNIQeicGf F44dykSi opTe5wM7I+Z4C/I0x6BUE8N8ja7bwKzkwCAmmFlWCxpKvpflnO9FVBSsqwFnxs8MKEUV7NtHiNgrMk5QO9dTzESULkuQ95L8NLV16g3LaJH/+tC8J1qqlEZ8PA3FxYlIYfqPukIvzq2Mxevcjg9syUgYODKzG09AxDXrVfPewshXyZf9d5NgZgVfKUBW/gASr0l7MdNTJ5orFoW3nLD6g/o0xo2OAJw/ck0ZkNfxRjLUx+QCxPBto/rOt6JPSu/Vsd4n+5WD0WspMbHY7D4xBLet+mk3DBWZgLydzXKPAYhPDCNIKMGQCSsZqDCwQRIGTp6pztA/vFrXTH7xKHIzPo9mlIuVmC3pYuLprI22XRmVFaC5u6jG//wiovAA2Z/VvUwoP3UOImehztwOUzPai7ss74iMMdn+4bqxtZwM5E2Tj+mLqcpOTPrdZ0wblGENyZ/mVvXrSv/eIQ7puYg7HTdimQw== 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(). 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