Messages in this thread Patch in this message | | | From | Chris Lew <> | Subject | [PATCH 1/2] remoteproc: core: Introduce rproc_del_carveout | Date | Fri, 10 Jun 2022 12:23:04 -0700 |
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To mirror the exported rproc_add_carveout(), add a rproc_del_carveout() so memory carveout resources added by devices outside of remoteproc can manage the resource lifetime more accurately.
Signed-off-by: Chris Lew <quic_clew@quicinc.com> --- drivers/remoteproc/remoteproc_core.c | 20 ++++++++++++++++++++ include/linux/remoteproc.h | 1 + 2 files changed, 21 insertions(+)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 02a04ab34a23..ee71fccae970 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1001,6 +1001,26 @@ void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem) EXPORT_SYMBOL(rproc_add_carveout); /** + * rproc_del_carveout() - remove an allocated carveout region + * @rproc: rproc handle + * @mem: memory entry to register + * + * This function removes specified memory entry in @rproc carveouts list. + */ +void rproc_del_carveout(struct rproc *rproc, struct rproc_mem_entry *mem) +{ + struct rproc_mem_entry *entry, *tmp; + + list_for_each_entry_safe(entry, tmp, &rproc->carveouts, node) { + if (entry == mem) { + list_del(&mem->node); + return; + } + } +} +EXPORT_SYMBOL(rproc_del_carveout); + +/** * rproc_mem_entry_init() - allocate and initialize rproc_mem_entry struct * @dev: pointer on device struct * @va: virtual address diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 7c943f0a2fc4..43112aa78ffe 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -658,6 +658,7 @@ struct rproc *devm_rproc_alloc(struct device *dev, const char *name, int devm_rproc_add(struct device *dev, struct rproc *rproc); void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem); +void rproc_del_carveout(struct rproc *rproc, struct rproc_mem_entry *mem); struct rproc_mem_entry * rproc_mem_entry_init(struct device *dev, -- 2.7.4
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