musb: am35x: Workaround for fifo read issue

[people/ms/u-boot.git] / drivers / usb / musb / musb_core.c

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index dc740cf18e475e9806683561feb39f2e93771dc3..6fe2c39bce800cb6eac58008431f8c3a2fb36f10 100644 (file)
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -141,6 +141,11 @@ void write_fifo(u8 ep, u32 length, void *fifo_data)
                writeb(*data++, &musbr->fifox[ep]);
 }
 
+/*
+ * AM35x supports only 32bit read operations so
+ * use seperate read_fifo() function for it.
+ */
+#ifndef CONFIG_USB_AM35X
 /*
  * This function reads data from endpoint fifo
  *
@@ -160,3 +165,4 @@ void read_fifo(u8 ep, u32 length, void *fifo_data)
        while (length--)
                *data++ = readb(&musbr->fifox[ep]);
 }
+#endif /* CONFIG_USB_AM35X */