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| author | Mark Brown <broonie@kernel.org> | 2025-05-01 08:43:44 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-05-01 08:43:44 +0300 |
| commit | 844af9911a5d1dc41f3478dc312a404b38cbc83b (patch) | |
| tree | d6aef04723f2265235c3d7fb846e522269bacbab /lib/alloc_tag.c | |
| parent | 7f91f012c1df07af6b915d1f8cece202774bb50e (diff) | |
| parent | cce34d113e2a592806abcdc02c7f8513775d8b20 (diff) | |
| download | linux-844af9911a5d1dc41f3478dc312a404b38cbc83b.tar.xz | |
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 'lib/alloc_tag.c')
| -rw-r--r-- | lib/alloc_tag.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index 1d893e313614..25ecc1334b67 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -422,11 +422,20 @@ static int vm_module_tags_populate(void) unsigned long old_shadow_end = ALIGN(phys_end, MODULE_ALIGN); unsigned long new_shadow_end = ALIGN(new_end, MODULE_ALIGN); unsigned long more_pages; - unsigned long nr; + unsigned long nr = 0; more_pages = ALIGN(new_end - phys_end, PAGE_SIZE) >> PAGE_SHIFT; - nr = alloc_pages_bulk_node(GFP_KERNEL | __GFP_NOWARN, - NUMA_NO_NODE, more_pages, next_page); + while (nr < more_pages) { + unsigned long allocated; + + allocated = alloc_pages_bulk_node(GFP_KERNEL | __GFP_NOWARN, + NUMA_NO_NODE, more_pages - nr, next_page + nr); + + if (!allocated) + break; + nr += allocated; + } + if (nr < more_pages || vmap_pages_range(phys_end, phys_end + (nr << PAGE_SHIFT), PAGE_KERNEL, next_page, PAGE_SHIFT) < 0) { |