Use the CDNS3_RESET_ON_RESUME quirk flag to inform the cdns3 core that our J7200 USB controller will lose power during suspend. It therefore must be reconfigured when we resume. Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> --- drivers/usb/cdns3/cdns3-ti.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/usb/cdns3/cdns3-ti.c b/drivers/usb/cdns3/cdns3-ti.c index 50b38c4b9c87..c65714c783fb 100644 --- a/drivers/usb/cdns3/cdns3-ti.c +++ b/drivers/usb/cdns3/cdns3-ti.c @@ -16,6 +16,7 @@ #include <linux/of_platform.h> #include <linux/pm_runtime.h> #include <linux/property.h> +#include "core.h" /* USB Wrapper register offsets */ #define USBSS_PID 0x0 @@ -127,6 +128,7 @@ static int cdns_ti_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = pdev->dev.of_node; + const struct of_dev_auxdata *auxdata; struct cdns_ti *data; unsigned long rate; int error, i; @@ -182,7 +184,8 @@ static int cdns_ti_probe(struct platform_device *pdev) cdns_ti_init_hw(data); - error = of_platform_populate(node, NULL, NULL, dev); + auxdata = of_device_get_match_data(dev); + error = of_platform_populate(node, NULL, auxdata, dev); if (error) { dev_err(dev, "failed to create children: %d\n", error); goto err; @@ -261,8 +264,20 @@ static void cdns_ti_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); } +static struct cdns3_platform_data cdns_ti_j7200_pdata = { + .quirks = CDNS3_RESET_ON_RESUME, +}; + +static const struct of_dev_auxdata cdns_ti_j7200_auxdata[] = { + { + .compatible = "cdns,usb3", + .platform_data = &cdns_ti_j7200_pdata, + }, + {}, +}; + static const struct of_device_id cdns_ti_of_match[] = { - { .compatible = "ti,j7200-usb", }, + { .compatible = "ti,j7200-usb", .data = cdns_ti_j7200_auxdata, }, { .compatible = "ti,j721e-usb", }, { .compatible = "ti,am64-usb", }, {}, -- 2.41.0