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module: generic: allocate module IPC messages from coherent memory #11277

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module: generic: allocate module IPC messages from coherent memory #11277

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9 changes: 7 additions & 2 deletions src/include/sof/audio/module_adapter/module/generic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -263,16 +263,21 @@ static inline struct ipc_msg *mod_ipc_msg_w_ext_init(struct processing_module *m
{
struct ipc_msg *msg;

msg = mod_zalloc(mod, sizeof(*msg));
/* msg->list is linked into ipc->msg_list and handled cross-core: must be uncached */
msg = mod_alloc_ext(mod, SOF_MEM_FLAG_USER | SOF_MEM_FLAG_COHERENT, sizeof(*msg), 0);
if (!msg)
return NULL;

memset(msg, 0, sizeof(*msg));

if (size) {
msg->tx_data = mod_zalloc(mod, size);
msg->tx_data = mod_alloc_ext(mod, SOF_MEM_FLAG_USER | SOF_MEM_FLAG_COHERENT,
size, 0);
if (!msg->tx_data) {
mod_free(mod, msg);
return NULL;
}
memset(msg->tx_data, 0, size);
}

msg->header = header;
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