1 files changed, 0 insertions, 32 deletions

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index ba4a2a1eb3ff..939c6ad71068 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -518,38 +518,6 @@ int hw_device_reset(struct ci_hdrc *ci)
         return 0;
 }
 
-/**
- * hw_wait_reg: wait the register value
- *
- * Sometimes, it needs to wait register value before going on.
- * Eg, when switch to device mode, the vbus value should be lower
- * than OTGSC_BSV before connects to host.
- *
- * @ci: the controller
- * @reg: register index
- * @mask: mast bit
- * @value: the bit value to wait
- * @timeout_ms: timeout in millisecond
- *
- * This function returns an error code if timeout
- */
-int hw_wait_reg(struct ci_hdrc *ci, enum ci_hw_regs reg, u32 mask,
-                                u32 value, unsigned int timeout_ms)
-{
-        unsigned long elapse = jiffies + msecs_to_jiffies(timeout_ms);
-
-        while (hw_read(ci, reg, mask) != value) {
-                if (time_after(jiffies, elapse)) {
-                        dev_err(ci->dev, "timeout waiting for %08x in %d\n",
-                                        mask, reg);
-                        return -ETIMEDOUT;
-                }
-                msleep(20);
-        }
-
-        return 0;
-}
-
 static irqreturn_t ci_irq(int irq, void *data)
 {
         struct ci_hdrc *ci = data;