199 	struct stm32_dfsdm_filter_osr *flo = &fl->flo[fast];  in stm32_dfsdm_compute_osrs()  local
254 			if (res >= flo->res) {  in stm32_dfsdm_compute_osrs()
255 				flo->res = res;  in stm32_dfsdm_compute_osrs()
256 				flo->fosr = fosr;  in stm32_dfsdm_compute_osrs()
257 				flo->iosr = iosr;  in stm32_dfsdm_compute_osrs()
259 				bits = fls(flo->res);  in stm32_dfsdm_compute_osrs()
261 				max = flo->res << 8;  in stm32_dfsdm_compute_osrs()
264 				if (flo->res > BIT(bits - 1))  in stm32_dfsdm_compute_osrs()
278 					flo->rshift = 0;  in stm32_dfsdm_compute_osrs()
279 					flo->lshift = shift;  in stm32_dfsdm_compute_osrs()
291 					flo->rshift = 1 - shift;  in stm32_dfsdm_compute_osrs()
292 					flo->lshift = 1;  in stm32_dfsdm_compute_osrs()
293 					max >>= flo->rshift;  in stm32_dfsdm_compute_osrs()
295 				flo->max = (s32)max;  in stm32_dfsdm_compute_osrs()
296 				flo->bits = bits;  in stm32_dfsdm_compute_osrs()
299 					 fast, flo->fosr, flo->iosr,  in stm32_dfsdm_compute_osrs()
300 					 flo->res, bits, flo->rshift,  in stm32_dfsdm_compute_osrs()
301 					 flo->lshift);  in stm32_dfsdm_compute_osrs()
306 	if (!flo->res)  in stm32_dfsdm_compute_osrs()
319 	memset(&fl->flo[0], 0, sizeof(fl->flo[0]));  in stm32_dfsdm_compute_all_osrs()
320 	memset(&fl->flo[1], 0, sizeof(fl->flo[1]));  in stm32_dfsdm_compute_all_osrs()
458 	struct stm32_dfsdm_filter_osr *flo = &fl->flo[0];  in stm32_dfsdm_channels_configure()  local
470 		if (fl->flo[1].res >= fl->flo[0].res) {  in stm32_dfsdm_channels_configure()
472 			flo = &fl->flo[1];  in stm32_dfsdm_channels_configure()
476 	if (!flo->res)  in stm32_dfsdm_channels_configure()
480 		min(flo->bits, (u32)DFSDM_DATA_RES - 1));  in stm32_dfsdm_channels_configure()
489 					 DFSDM_CHCFGR2_DTRBS(flo->rshift));  in stm32_dfsdm_channels_configure()
504 	struct stm32_dfsdm_filter_osr *flo = &fl->flo[fl->fast];  in stm32_dfsdm_filter_configure()  local
512 				 DFSDM_FCR_IOSR(flo->iosr - 1));  in stm32_dfsdm_filter_configure()
518 				 DFSDM_FCR_FOSR(flo->fosr - 1));  in stm32_dfsdm_filter_configure()
830 	struct stm32_dfsdm_filter_osr *flo = &fl->flo[fl->fast];  in stm32_dfsdm_process_data()  local
838 		if (*ptr > flo->max)  in stm32_dfsdm_process_data()
844 		*ptr <<= flo->lshift;  in stm32_dfsdm_process_data()