bcom_sram_alloc
desc = bcom_sram_alloc(hdr->desc_size * sizeof(u32), 4, &start_pa);
bcom_eng->tdt = bcom_sram_alloc(tdt_size, sizeof(u32), &tdt_pa);
bcom_eng->ctx = bcom_sram_alloc(ctx_size, BCOM_CTX_ALIGN, &ctx_pa);
bcom_eng->var = bcom_sram_alloc(var_size, BCOM_VAR_ALIGN, &var_pa);
bcom_eng->fdt = bcom_sram_alloc(fdt_size, BCOM_FDT_ALIGN, &fdt_pa);
tsk->bd = bcom_sram_alloc(bd_count * bd_size, 4, &tsk->bd_pa);
EXPORT_SYMBOL_GPL(bcom_sram_alloc);
extern void* bcom_sram_alloc(int size, int align, phys_addr_t *phys);