[U-Boot] [PATCH v1 2/5] usb, ohci: fix ohci swap register access

Heiko Schocher
2019-07-16T08:49:04Z

commit 57faca19a82f ("drivers: USB: OHCI: allow compilation for 64-bit targets")
broke ohci support for the mpc85xx based socrates board,
as it removed volatile keyword from ohci_readl/writel.

Fix this so usb works again on socrates board.

Signed-off-by: Heiko Schocher <hs@denx.de>
---

drivers/usb/host/ohci.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index f9f02cb09c..9b264bd92a 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -14,8 +14,8 @@
#include <asm/io.h>

#ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS
-# define ohci_readl(a) __swap_32(readl(a))
-# define ohci_writel(v, a) writel(__swap_32(v), a)
+# define ohci_readl(a) __swap_32(in_be32((u32 *)a))
+# define ohci_writel(a, b) out_be32((u32 *)b, __swap_32(a))
#else
# define ohci_readl(a) readl(a)
# define ohci_writel(v, a) writel(v, a)
--
2.21.0