usb: chipidea: export interrupt enable and status register read functions

This patch moves usb interrupt enable and status register read functions
from udc driver to core driver to use them in all ci drivers.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 24 insertions, 20 deletions

diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index e206406ae1d9..7ae8cb680321 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -319,6 +319,10 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
         return (val & mask) >> __ffs(mask);
 }
 
+u32 hw_read_intr_enable(struct ci_hdrc *ci);
+
+u32 hw_read_intr_status(struct ci_hdrc *ci);
+
 int hw_device_reset(struct ci_hdrc *ci, u32 mode);
 
 int hw_port_test_set(struct ci_hdrc *ci, u8 mode);
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index f0cfa5b64bf1..ff38cf367464 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -140,6 +140,26 @@ static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)
 }
 
 /**
+ * hw_read_intr_enable: returns interrupt enable register
+ *
+ * This function returns register data
+ */
+u32 hw_read_intr_enable(struct ci_hdrc *ci)
+{
+        return hw_read(ci, OP_USBINTR, ~0);
+}
+
+/**
+ * hw_read_intr_status: returns interrupt status register
+ *
+ * This function returns register data
+ */
+u32 hw_read_intr_status(struct ci_hdrc *ci)
+{
+        return hw_read(ci, OP_USBSTS, ~0);
+}
+
+/**
  * hw_port_test_set: writes port test mode (execute without interruption)
  * @mode: new value
  *
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 798943b6ef7b..f58857d45050 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -242,26 +242,6 @@ static int hw_port_is_high_speed(struct ci_hdrc *ci)
 }
 
 /**
- * hw_read_intr_enable: returns interrupt enable register
- *
- * This function returns register data
- */
-static u32 hw_read_intr_enable(struct ci_hdrc *ci)
-{
-        return hw_read(ci, OP_USBINTR, ~0);
-}
-
-/**
- * hw_read_intr_status: returns interrupt status register
- *
- * This function returns register data
- */
-static u32 hw_read_intr_status(struct ci_hdrc *ci)
-{
-        return hw_read(ci, OP_USBSTS, ~0);
-}
-
-/**
  * hw_test_and_clear_complete: test & clear complete status (execute without
  *                             interruption)
  * @n: endpoint number