92 	struct spi_mpc8xxx_cs *cs = spi->controller_state;  in fsl_spi_change_mode()  local
97 	if (cs->hw_mode == mpc8xxx_spi_read_reg(mode))  in fsl_spi_change_mode()
104 	mpc8xxx_spi_write_reg(mode, cs->hw_mode & ~SPMODE_ENABLE);  in fsl_spi_change_mode()
110 	mpc8xxx_spi_write_reg(mode, cs->hw_mode);  in fsl_spi_change_mode()
118 	struct spi_mpc8xxx_cs	*cs = spi->controller_state;  in fsl_spi_chipselect()  local
128 		mpc8xxx_spi->rx_shift = cs->rx_shift;  in fsl_spi_chipselect()
129 		mpc8xxx_spi->tx_shift = cs->tx_shift;  in fsl_spi_chipselect()
130 		mpc8xxx_spi->get_rx = cs->get_rx;  in fsl_spi_chipselect()
131 		mpc8xxx_spi->get_tx = cs->get_tx;  in fsl_spi_chipselect()
174 static int mspi_apply_cpu_mode_quirks(struct spi_mpc8xxx_cs *cs,  in mspi_apply_cpu_mode_quirks()  argument
179 	cs->rx_shift = 0;  in mspi_apply_cpu_mode_quirks()
180 	cs->tx_shift = 0;  in mspi_apply_cpu_mode_quirks()
182 		cs->get_rx = mpc8xxx_spi_rx_buf_u8;  in mspi_apply_cpu_mode_quirks()
183 		cs->get_tx = mpc8xxx_spi_tx_buf_u8;  in mspi_apply_cpu_mode_quirks()
185 		cs->get_rx = mpc8xxx_spi_rx_buf_u16;  in mspi_apply_cpu_mode_quirks()
186 		cs->get_tx = mpc8xxx_spi_tx_buf_u16;  in mspi_apply_cpu_mode_quirks()
188 		cs->get_rx = mpc8xxx_spi_rx_buf_u32;  in mspi_apply_cpu_mode_quirks()
189 		cs->get_tx = mpc8xxx_spi_tx_buf_u32;  in mspi_apply_cpu_mode_quirks()
194 		mpc8xxx_spi->set_shifts(&cs->rx_shift, &cs->tx_shift,  in mspi_apply_cpu_mode_quirks()
198 	mpc8xxx_spi->rx_shift = cs->rx_shift;  in mspi_apply_cpu_mode_quirks()
199 	mpc8xxx_spi->tx_shift = cs->tx_shift;  in mspi_apply_cpu_mode_quirks()
200 	mpc8xxx_spi->get_rx = cs->get_rx;  in mspi_apply_cpu_mode_quirks()
201 	mpc8xxx_spi->get_tx = cs->get_tx;  in mspi_apply_cpu_mode_quirks()
213 	struct spi_mpc8xxx_cs	*cs = spi->controller_state;  in fsl_spi_setup_transfer()  local
230 		bits_per_word = mspi_apply_cpu_mode_quirks(cs, spi,  in fsl_spi_setup_transfer()
243 	cs->hw_mode &= ~(SPMODE_LEN(0xF) | SPMODE_DIV16  in fsl_spi_setup_transfer()
246 	cs->hw_mode |= SPMODE_LEN(bits_per_word);  in fsl_spi_setup_transfer()
249 		cs->hw_mode |= SPMODE_DIV16;  in fsl_spi_setup_transfer()
262 	cs->hw_mode |= SPMODE_PM(pm);  in fsl_spi_setup_transfer()
377 	/* Don't allow changes if CS is active */  in fsl_spi_do_one_msg()
385 				"speed_hz cannot change while CS is active\n");  in fsl_spi_do_one_msg()
441 	struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);  in fsl_spi_setup()  local
446 	if (!cs) {  in fsl_spi_setup()
447 		cs = kzalloc(sizeof(*cs), GFP_KERNEL);  in fsl_spi_setup()
448 		if (!cs)  in fsl_spi_setup()
450 		spi_set_ctldata(spi, cs);  in fsl_spi_setup()
457 	hw_mode = cs->hw_mode; /* Save original settings */  in fsl_spi_setup()
458 	cs->hw_mode = mpc8xxx_spi_read_reg(&reg_base->mode);  in fsl_spi_setup()
460 	cs->hw_mode &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH  in fsl_spi_setup()
464 		cs->hw_mode |= SPMODE_CP_BEGIN_EDGECLK;  in fsl_spi_setup()
466 		cs->hw_mode |= SPMODE_CI_INACTIVEHIGH;  in fsl_spi_setup()
468 		cs->hw_mode |= SPMODE_REV;  in fsl_spi_setup()
470 		cs->hw_mode |= SPMODE_LOOP;  in fsl_spi_setup()
474 		cs->hw_mode = hw_mode; /* Restore settings */  in fsl_spi_setup()
476 			kfree(cs);  in fsl_spi_setup()
488 	struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);  in fsl_spi_cleanup()  local
490 	kfree(cs);  in fsl_spi_cleanup()
553 	u16 cs = spi->chip_select;  in fsl_spi_grlib_cs_control()  local
557 	} else if (cs < mpc8xxx_spi->native_chipselects) {  in fsl_spi_grlib_cs_control()
559 		slvsel = on ? (slvsel | (1 << cs)) : (slvsel & ~(1 << cs));  in fsl_spi_grlib_cs_control()
742 		 * appropriate callback for dealing with the CS lines. This isn't  in of_fsl_spi_probe()
745 		ret = gpiod_count(dev, "cs");  in of_fsl_spi_probe()