From 5689f4b5b43d7beaf725d7cc82f9efea86d6f375 Mon Sep 17 00:00:00 2001 From: Ajay Kumar Gupta Date: Fri, 9 Jul 2010 11:43:49 +0530 Subject: musb: am35x: Workaround for fifo read issue AM35x supports only 32bit read operations so we need to have workaround for 8bit and 16bit read operations. Signed-off-by: Ajay Kumar Gupta --- drivers/usb/musb/musb_core.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/usb/musb/musb_core.c') diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index dc740cf..6fe2c39 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -142,6 +142,11 @@ void write_fifo(u8 ep, u32 length, void *fifo_data) } /* + * 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 * * ep - endpoint number @@ -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 */ -- cgit v1.1