diff options
| author | Mark Brown <broonie@kernel.org> | 2025-05-01 14:43:44 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-05-01 14:43:44 +0900 |
| commit | 844af9911a5d1dc41f3478dc312a404b38cbc83b (patch) | |
| tree | d6aef04723f2265235c3d7fb846e522269bacbab /include/linux/pgtable.h | |
| parent | 7f91f012c1df07af6b915d1f8cece202774bb50e (diff) | |
| parent | cce34d113e2a592806abcdc02c7f8513775d8b20 (diff) | |
ASoC: stm32: sai: fix kernel rate configuration
Merge series from Olivier Moysan <olivier.moysan@foss.st.com>:
This patchset adds some checks on kernel minimum rate requirements.
This avoids potential clock rate misconfiguration, when setting the
kernel frequency on STM32MP2 SoCs.
Diffstat (limited to 'include/linux/pgtable.h')
| -rw-r--r-- | include/linux/pgtable.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index e2b705c14945..b50447ef1c92 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1511,8 +1511,9 @@ static inline void track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot, /* * track_pfn_copy is called when a VM_PFNMAP VMA is about to get the page - * tables copied during copy_page_range(). On success, stores the pfn to be - * passed to untrack_pfn_copy(). + * tables copied during copy_page_range(). Will store the pfn to be + * passed to untrack_pfn_copy() only if there is something to be untracked. + * Callers should initialize the pfn to 0. */ static inline int track_pfn_copy(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma, unsigned long *pfn) @@ -1522,7 +1523,9 @@ static inline int track_pfn_copy(struct vm_area_struct *dst_vma, /* * untrack_pfn_copy is called when a VM_PFNMAP VMA failed to copy during - * copy_page_range(), but after track_pfn_copy() was already called. + * copy_page_range(), but after track_pfn_copy() was already called. Can + * be called even if track_pfn_copy() did not actually track anything: + * handled internally. */ static inline void untrack_pfn_copy(struct vm_area_struct *dst_vma, unsigned long pfn) |