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authorMark Brown <broonie@kernel.org>2025-05-01 14:43:44 +0900
committerMark Brown <broonie@kernel.org>2025-05-01 14:43:44 +0900
commit844af9911a5d1dc41f3478dc312a404b38cbc83b (patch)
treed6aef04723f2265235c3d7fb846e522269bacbab /rust/helpers/dma.c
parent7f91f012c1df07af6b915d1f8cece202774bb50e (diff)
parentcce34d113e2a592806abcdc02c7f8513775d8b20 (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 'rust/helpers/dma.c')
-rw-r--r--rust/helpers/dma.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/rust/helpers/dma.c b/rust/helpers/dma.c
new file mode 100644
index 000000000000..df8b8a77355a
--- /dev/null
+++ b/rust/helpers/dma.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/dma-mapping.h>
+
+void *rust_helper_dma_alloc_attrs(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t flag,
+ unsigned long attrs)
+{
+ return dma_alloc_attrs(dev, size, dma_handle, flag, attrs);
+}
+
+void rust_helper_dma_free_attrs(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_handle, unsigned long attrs)
+{
+ dma_free_attrs(dev, size, cpu_addr, dma_handle, attrs);
+}