1 // SPDX-License-Identifier: GPL-2.0-only
19 #include <linux/dma-mapping.h>
33 	struct reset_control *pwr;  member
56 	struct st_ahci_drv_data *drv_data = hpriv->plat_data;  in st_ahci_deassert_resets()
59 	if (drv_data->pwr) {  in st_ahci_deassert_resets()
60 		err = reset_control_deassert(drv_data->pwr);  in st_ahci_deassert_resets()
67 	if (drv_data->sw_rst) {  in st_ahci_deassert_resets()
68 		err = reset_control_deassert(drv_data->sw_rst);  in st_ahci_deassert_resets()
70 			dev_err(dev, "unable to bring out of sw-rst\n");  in st_ahci_deassert_resets()
75 	if (drv_data->pwr_rst) {  in st_ahci_deassert_resets()
76 		err = reset_control_deassert(drv_data->pwr_rst);  in st_ahci_deassert_resets()
78 			dev_err(dev, "unable to bring out of pwr-rst\n");  in st_ahci_deassert_resets()
88 	struct ahci_host_priv *hpriv = host->private_data;  in st_ahci_host_stop()
89 	struct st_ahci_drv_data *drv_data = hpriv->plat_data;  in st_ahci_host_stop()
90 	struct device *dev = host->dev;  in st_ahci_host_stop()
93 	if (drv_data->pwr) {  in st_ahci_host_stop()
94 		err = reset_control_assert(drv_data->pwr);  in st_ahci_host_stop()
105 	struct st_ahci_drv_data *drv_data = hpriv->plat_data;  in st_ahci_probe_resets()
107 	drv_data->pwr = devm_reset_control_get(dev, "pwr-dwn");  in st_ahci_probe_resets()
108 	if (IS_ERR(drv_data->pwr)) {  in st_ahci_probe_resets()
110 		drv_data->pwr = NULL;  in st_ahci_probe_resets()
113 	drv_data->sw_rst = devm_reset_control_get(dev, "sw-rst");  in st_ahci_probe_resets()
114 	if (IS_ERR(drv_data->sw_rst)) {  in st_ahci_probe_resets()
116 		drv_data->sw_rst = NULL;  in st_ahci_probe_resets()
119 	drv_data->pwr_rst = devm_reset_control_get(dev, "pwr-rst");  in st_ahci_probe_resets()
120 	if (IS_ERR(drv_data->pwr_rst)) {  in st_ahci_probe_resets()
122 		drv_data->pwr_rst = NULL;  in st_ahci_probe_resets()
150 	drv_data = devm_kzalloc(&pdev->dev, sizeof(*drv_data), GFP_KERNEL);  in st_ahci_probe()
152 		return -ENOMEM;  in st_ahci_probe()
157 	hpriv->plat_data = drv_data;  in st_ahci_probe()
159 	err = st_ahci_probe_resets(hpriv, &pdev->dev);  in st_ahci_probe()
167 	st_ahci_configure_oob(hpriv->mmio);  in st_ahci_probe()
182 	struct ahci_host_priv *hpriv = host->private_data;  in st_ahci_suspend()
183 	struct st_ahci_drv_data *drv_data = hpriv->plat_data;  in st_ahci_suspend()
190 	if (drv_data->pwr) {  in st_ahci_suspend()
191 		err = reset_control_assert(drv_data->pwr);  in st_ahci_suspend()
206 	struct ahci_host_priv *hpriv = host->private_data;  in st_ahci_resume()
219 	st_ahci_configure_oob(hpriv->mmio);  in st_ahci_resume()