Added support for multiple dwc3 omap controllers. This gives uboot the capability to control multiple dwc3 omap controllers.
Signed-off-by: Kishon Vijay Abraham I kishon@ti.com Reviewed-by: Lukasz Majewski l.majewski@samsung.com --- drivers/usb/dwc3/dwc3-omap.c | 26 ++++++++++++++++++++------ include/dwc3-omap-uboot.h | 3 ++- 2 files changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 30d7210..c8275c7 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -119,9 +119,11 @@ struct dwc3_omap { u32 irq0_offset;
u32 dma_status:1; + struct list_head list; + u32 index; };
-struct dwc3_omap *omap; +static LIST_HEAD(dwc3_omap_list);
static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset) { @@ -363,12 +365,14 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev) { u32 reg; struct device *dev; + struct dwc3_omap *omap;
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL); if (!omap) return -ENOMEM;
omap->base = omap_dev->base; + omap->index = omap_dev->index;
dwc3_omap_map_offset(omap); dwc3_omap_set_utmi_mode(omap, omap_dev->utmi_mode); @@ -380,6 +384,7 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev) dwc3_omap_set_mailbox(omap, omap_dev->vbus_id_status);
dwc3_omap_enable_irqs(omap); + list_add_tail(&omap->list, &dwc3_omap_list);
return 0; } @@ -389,16 +394,25 @@ int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev) * @index: index of this controller * * Performs cleanup of memory allocated in dwc3_omap_uboot_init - * (equivalent to dwc3_omap_remove in linux). + * (equivalent to dwc3_omap_remove in linux). index of _this_ controller + * should be passed and should match with the index passed in + * dwc3_omap_device during init. * * Generally called from board file. */ -void dwc3_omap_uboot_exit(void) +void dwc3_omap_uboot_exit(int index) { - dwc3_omap_disable_irqs(omap); - kfree(omap); + struct dwc3_omap *omap = NULL;
- return 0; + list_for_each_entry(omap, &dwc3_omap_list, list) { + if (omap->index != index) + continue; + + dwc3_omap_disable_irqs(omap); + list_del(&omap->list); + kfree(omap); + break; + } }
MODULE_ALIAS("platform:omap-dwc3"); diff --git a/include/dwc3-omap-uboot.h b/include/dwc3-omap-uboot.h index 99f8f38..29f02f8 100644 --- a/include/dwc3-omap-uboot.h +++ b/include/dwc3-omap-uboot.h @@ -21,10 +21,11 @@ enum omap_dwc3_vbus_id_status {
struct dwc3_omap_device { void *base; + int index; enum dwc3_omap_utmi_mode utmi_mode; enum omap_dwc3_vbus_id_status vbus_id_status; };
int dwc3_omap_uboot_init(struct dwc3_omap_device *dev); -void dwc3_omap_uboot_exit(void); +void dwc3_omap_uboot_exit(int index); #endif /* __DWC3_OMAP_UBOOT_H_ */