[PATCH 2/3] net: emaclite: fix xemaclite_alignedread/write functions

[Samuel Obuch]

Use __raw_read* and __raw_write* functions to ensure read/write
is passed to the memory-mapped regions, as non-volatile accesses
may get optimised out.

Signed-off-by: Samuel Obuch <samuel.ob...@codasip.com>
---
 drivers/net/xilinx_emaclite.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 5cd88e04fe..de7a2dee0b 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -113,12 +113,12 @@ static void xemaclite_alignedread(u32 *srcptr, void 
*destptr, u32 bytecount)
        /* Word aligned buffer, no correction needed. */
        to32ptr = (u32 *) destptr;
        while (bytecount > 3) {
-               *to32ptr++ = *from32ptr++;
+               *to32ptr++ = __raw_readl(from32ptr++);
                bytecount -= 4;
        }
        to8ptr = (u8 *) to32ptr;
 
-       alignbuffer = *from32ptr++;
+       alignbuffer = __raw_readl(from32ptr++);
        from8ptr = (u8 *) &alignbuffer;
 
        for (i = 0; i < bytecount; i++)
@@ -136,8 +136,7 @@ static void xemaclite_alignedwrite(void *srcptr, u32 
*destptr, u32 bytecount)
 
        from32ptr = (u32 *) srcptr;
        while (bytecount > 3) {
-
-               *to32ptr++ = *from32ptr++;
+               __raw_writel(*from32ptr++, to32ptr++);
                bytecount -= 4;
        }
 
@@ -148,7 +147,7 @@ static void xemaclite_alignedwrite(void *srcptr, u32 
*destptr, u32 bytecount)
        for (i = 0; i < bytecount; i++)
                *to8ptr++ = *from8ptr++;
 
-       *to32ptr++ = alignbuffer;
+       __raw_writel(alignbuffer, to32ptr++);
 }
 
 static int wait_for_bit(const char *func, u32 *reg, const u32 mask,
-- 
2.31.1