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path: root/drivers/usb/dwc3/core.h
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Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index b7d56c3a1fbb..4b6c673ed608 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -52,7 +52,7 @@
/* Global constants */
#define DWC3_ENDPOINTS_NUM 32
-#define DWC3_EVENT_BUFFERS_NUM 2
+#define DWC3_EVENT_BUFFERS_MAX 2
#define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
#define DWC3_EVENT_TYPE_MASK 0xfe
@@ -536,6 +536,8 @@ struct dwc3_hwparams {
u32 hwparams8;
};
+#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15)
+
/**
* struct dwc3 - representation of our controller
* @ctrl_req: usb control request which is used for ep0
@@ -555,6 +557,7 @@ struct dwc3_hwparams {
* @regs: base address for our registers
* @regs_size: address space size
* @irq: IRQ number
+ * @num_event_buffers: calculated number of event buffers
* @maximum_speed: maximum speed requested (mainly for testing purposes)
* @revision: revision register contents
* @is_selfpowered: true when we are selfpowered
@@ -585,7 +588,7 @@ struct dwc3 {
spinlock_t lock;
struct device *dev;
- struct dwc3_event_buffer *ev_buffs[DWC3_EVENT_BUFFERS_NUM];
+ struct dwc3_event_buffer *ev_buffs[DWC3_EVENT_BUFFERS_MAX];
struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM];
struct usb_gadget gadget;
@@ -596,6 +599,7 @@ struct dwc3 {
int irq;
+ u32 num_event_buffers;
u32 maximum_speed;
u32 revision;
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