Re: [PATCH net-next v2 04/17] soc: fsl: qe: add cpm_muram_free_addr() helper
From: Li Yang <hidden>
Date: 2021-01-19 21:22:42
On Tue, Jan 19, 2021 at 9:21 AM Rasmus Villemoes [off-list ref] wrote:
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 <redacted>
Acked-by: Li Yang <redacted>
quoted hunk ↗ jump to hunk
--- drivers/soc/fsl/qe/qe_common.c | 12 ++++++++++++ include/soc/fsl/qe/qe.h | 5 +++++ 2 files changed, 17 insertions(+)diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index 303cc2f5eb4a..448ef7f5321a 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c@@ -238,3 +238,15 @@ dma_addr_t cpm_muram_dma(void __iomem *addr) return muram_pbase + (addr - muram_vbase); } EXPORT_SYMBOL(cpm_muram_dma); + +/* + * As cpm_muram_free, but takes the virtual address rather than the + * muram offset. + */ +void cpm_muram_free_addr(const void __iomem *addr) +{ + if (!addr) + return; + cpm_muram_free(cpm_muram_offset(addr)); +} +EXPORT_SYMBOL(cpm_muram_free_addr);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); #else 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) --2.23.0