55 	bool		dtr;  member
308 static unsigned int cqspi_calc_dummy(const struct spi_mem_op *op, bool dtr)  in cqspi_calc_dummy()  argument
316 	if (dtr)  in cqspi_calc_dummy()
330 	 * For an op to be DTR, cmd phase along with every other non-empty  in cqspi_set_protocol()
331 	 * phase should have dtr field set to 1. If an op phase has zero  in cqspi_set_protocol()
332 	 * nbytes, ignore its dtr field; otherwise, check its dtr field.  in cqspi_set_protocol()
334 	f_pdata->dtr = op->cmd.dtr &&  in cqspi_set_protocol()
335 		       (!op->addr.nbytes || op->addr.dtr) &&  in cqspi_set_protocol()
336 		       (!op->data.nbytes || op->data.dtr);  in cqspi_set_protocol()
357 	/* Right now we only support 8-8-8 DTR mode. */  in cqspi_set_protocol()
358 	if (f_pdata->dtr) {  in cqspi_set_protocol()
525 				  f_pdata->dtr);  in cqspi_command_read()
536 	if (f_pdata->dtr)  in cqspi_command_read()
546 	dummy_clk = cqspi_calc_dummy(op, f_pdata->dtr);  in cqspi_command_read()
598 			       f_pdata->dtr);  in cqspi_command_write()
612 	if (f_pdata->dtr)  in cqspi_command_write()
660 			       f_pdata->dtr);  in cqspi_read_setup()
664 	if (f_pdata->dtr)  in cqspi_read_setup()
673 	dummy_clk = cqspi_calc_dummy(op, f_pdata->dtr);  in cqspi_read_setup()
794 			       f_pdata->dtr);  in cqspi_write_setup()
798 	if (f_pdata->dtr)  in cqspi_write_setup()
815 	 * command in DTR mode.  in cqspi_write_setup()
1098 	 * address (all 0s) with the read status register command in DTR mode.  in cqspi_write()
1100 	 * the flash when it is polling the write completion register in DTR  in cqspi_write()
1101 	 * mode. So, we can not use direct mode when in DTR mode for writing  in cqspi_write()
1104 	if (!f_pdata->dtr && cqspi->use_direct_mode &&  in cqspi_write()
1240 	 * op->dummy.dtr is required for converting nbytes into ncycles.  in cqspi_supports_mem_op()
1241 	 * Also, don't check the dtr field of the op phase having zero nbytes.  in cqspi_supports_mem_op()
1243 	all_true = op->cmd.dtr &&  in cqspi_supports_mem_op()
1244 		   (!op->addr.nbytes || op->addr.dtr) &&  in cqspi_supports_mem_op()
1245 		   (!op->dummy.nbytes || op->dummy.dtr) &&  in cqspi_supports_mem_op()
1246 		   (!op->data.nbytes || op->data.dtr);  in cqspi_supports_mem_op()
1248 	all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr &&  in cqspi_supports_mem_op()
1249 		    !op->data.dtr;  in cqspi_supports_mem_op()
1251 	/* Mixed DTR modes not supported. */  in cqspi_supports_mem_op()