33  * number of descriptors of required size.
34  * Initialize the descriptors as required by pmc dma.
35  * The descriptors' buffers dwords are initialized to hold
84 	wil_dbg_misc(wil, "pmc_alloc: %d descriptors x %d bytes each\n",  in wil_pmc_alloc()
87 	/* allocate descriptors info list in pmc context*/  in wil_pmc_alloc()
88 	pmc->descriptors = kcalloc(num_descriptors,  in wil_pmc_alloc()
91 	if (!pmc->descriptors) {  in wil_pmc_alloc()
96 	wil_dbg_misc(wil, "pmc_alloc: allocated descriptors info list %p\n",  in wil_pmc_alloc()
97 		     pmc->descriptors);  in wil_pmc_alloc()
99 	/* Allocate pring buffer and descriptors.  in wil_pmc_alloc()
136 	/* initially, all descriptors are SW owned  in wil_pmc_alloc()
145 		pmc->descriptors[i].va = dma_alloc_coherent(dev,  in wil_pmc_alloc()
147 			&pmc->descriptors[i].pa,  in wil_pmc_alloc()
150 		if (unlikely(!pmc->descriptors[i].va)) {  in wil_pmc_alloc()
156 			u32 *p = (u32 *)pmc->descriptors[i].va + j;  in wil_pmc_alloc()
162 			cpu_to_le32(lower_32_bits(pmc->descriptors[i].pa));  in wil_pmc_alloc()
164 			cpu_to_le16((u16)upper_32_bits(pmc->descriptors[i].pa));  in wil_pmc_alloc()
196 	for (i = 0; i < num_descriptors && pmc->descriptors[i].va; i++) {  in wil_pmc_alloc()
199 				  pmc->descriptors[i].va,  in wil_pmc_alloc()
200 				  pmc->descriptors[i].pa);  in wil_pmc_alloc()
202 		pmc->descriptors[i].va = NULL;  in wil_pmc_alloc()
214 	wil_err(wil, "exit on error: Releasing descriptors info list...\n");  in wil_pmc_alloc()
215 	kfree(pmc->descriptors);  in wil_pmc_alloc()
216 	pmc->descriptors = NULL;  in wil_pmc_alloc()
275 	if (pmc->descriptors) {  in wil_pmc_free()
279 		     i < pmc->num_descriptors && pmc->descriptors[i].va; i++) {  in wil_pmc_free()
282 					  pmc->descriptors[i].va,  in wil_pmc_free()
283 					  pmc->descriptors[i].pa);  in wil_pmc_free()
284 			pmc->descriptors[i].va = NULL;  in wil_pmc_free()
289 			     "pmc_free: free pmc descriptors info list %p\n",  in wil_pmc_free()
290 			     pmc->descriptors);  in wil_pmc_free()
291 		kfree(pmc->descriptors);  in wil_pmc_free()
292 		pmc->descriptors = NULL;  in wil_pmc_free()
361 					 pmc->descriptors[idx].va,  in wil_pmc_read()