44  * number of descriptors of required size.
45  * Initialize the descriptors as required by pmc dma.
46  * The descriptors' buffers dwords are initialized to hold
95 	wil_dbg_misc(wil, "pmc_alloc: %d descriptors x %d bytes each\n",  in wil_pmc_alloc()
98 	/* allocate descriptors info list in pmc context*/  in wil_pmc_alloc()
99 	pmc->descriptors = kcalloc(num_descriptors,  in wil_pmc_alloc()
102 	if (!pmc->descriptors) {  in wil_pmc_alloc()
107 	wil_dbg_misc(wil, "pmc_alloc: allocated descriptors info list %p\n",  in wil_pmc_alloc()
108 		     pmc->descriptors);  in wil_pmc_alloc()
110 	/* Allocate pring buffer and descriptors.  in wil_pmc_alloc()
147 	/* initially, all descriptors are SW owned  in wil_pmc_alloc()
156 		pmc->descriptors[i].va = dma_alloc_coherent(dev,  in wil_pmc_alloc()
158 			&pmc->descriptors[i].pa,  in wil_pmc_alloc()
161 		if (unlikely(!pmc->descriptors[i].va)) {  in wil_pmc_alloc()
167 			u32 *p = (u32 *)pmc->descriptors[i].va + j;  in wil_pmc_alloc()
173 			cpu_to_le32(lower_32_bits(pmc->descriptors[i].pa));  in wil_pmc_alloc()
175 			cpu_to_le16((u16)upper_32_bits(pmc->descriptors[i].pa));  in wil_pmc_alloc()
207 	for (i = 0; i < num_descriptors && pmc->descriptors[i].va; i++) {  in wil_pmc_alloc()
210 				  pmc->descriptors[i].va,  in wil_pmc_alloc()
211 				  pmc->descriptors[i].pa);  in wil_pmc_alloc()
213 		pmc->descriptors[i].va = NULL;  in wil_pmc_alloc()
225 	wil_err(wil, "exit on error: Releasing descriptors info list...\n");  in wil_pmc_alloc()
226 	kfree(pmc->descriptors);  in wil_pmc_alloc()
227 	pmc->descriptors = NULL;  in wil_pmc_alloc()
287 	if (pmc->descriptors) {  in wil_pmc_free()
291 		     i < pmc->num_descriptors && pmc->descriptors[i].va; i++) {  in wil_pmc_free()
294 					  pmc->descriptors[i].va,  in wil_pmc_free()
295 					  pmc->descriptors[i].pa);  in wil_pmc_free()
296 			pmc->descriptors[i].va = NULL;  in wil_pmc_free()
301 			     "pmc_free: free pmc descriptors info list %p\n",  in wil_pmc_free()
302 			     pmc->descriptors);  in wil_pmc_free()
303 		kfree(pmc->descriptors);  in wil_pmc_free()
304 		pmc->descriptors = NULL;  in wil_pmc_free()
375 					 pmc->descriptors[idx].va,  in wil_pmc_read()