path: root/include/soc
diff options
authorRasmus Villemoes <>2021-01-19 16:07:49 +0100
committerJakub Kicinski <>2021-01-21 12:19:55 -0800
commit186b8daffb4ec2dabb8a3d93b329b16152a5a100 (patch)
treec6673b060639f8c744b0d20df0d32c045b037bbf /include/soc
parent155ea0dc8dcb6066aaf4af5addd005b8968ce820 (diff)
soc: fsl: qe: add cpm_muram_free_addr() helper
Add a helper that takes a virtual address rather than the muram offset. This will be used in a couple of places to avoid having to store both the offset and the virtual address, as well as removing NULL checks from the callers. Signed-off-by: Rasmus Villemoes <> Acked-by: Li Yang <> Signed-off-by: Jakub Kicinski <>
Diffstat (limited to 'include/soc')
1 files changed, 5 insertions, 0 deletions
diff --git a/include/soc/fsl/qe/qe.h b/include/soc/fsl/qe/qe.h
index 8ee3747433c0..66f1afc393d1 100644
--- a/include/soc/fsl/qe/qe.h
+++ b/include/soc/fsl/qe/qe.h
@@ -104,6 +104,7 @@ s32 cpm_muram_alloc_fixed(unsigned long offset, unsigned long size);
void __iomem *cpm_muram_addr(unsigned long offset);
unsigned long cpm_muram_offset(const void __iomem *addr);
dma_addr_t cpm_muram_dma(void __iomem *addr);
+void cpm_muram_free_addr(const void __iomem *addr);
static inline s32 cpm_muram_alloc(unsigned long size,
unsigned long align)
@@ -135,6 +136,9 @@ static inline dma_addr_t cpm_muram_dma(void __iomem *addr)
return 0;
+static inline void cpm_muram_free_addr(const void __iomem *addr)
#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */
/* QE PIO */
@@ -239,6 +243,7 @@ static inline int qe_alive_during_sleep(void)
#define qe_muram_addr cpm_muram_addr
#define qe_muram_offset cpm_muram_offset
#define qe_muram_dma cpm_muram_dma
+#define qe_muram_free_addr cpm_muram_free_addr
#ifdef CONFIG_PPC32
#define qe_iowrite8(val, addr) out_8(addr, val)