[PATCH] PCI: endpoint: functions: use memcpy_fromio()/memcpy_toio()

[Wen Yang]

Use the IO memcpy() functions when copying from/to IO memory.
These locations were found via sparse.

Signed-off-by: Wen Yang <wen.yan...@zte.com.cn>
Suggested-by: Kishon Vijay Abraham I <kis...@ti.com>
CC: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
CC: Bjorn Helgaas <bhelg...@google.com>
CC: Gustavo Pimentel <gustavo.pimen...@synopsys.com>
CC: Niklas Cassel <niklas.cas...@axis.com>
CC: Greg Kroah-Hartman <gre...@linuxfoundation.org>
CC: Cyrille Pitchen <cyrille.pitc...@free-electrons.com>
CC: linux-...@vger.kernel.org
CC: linux-kernel@vger.kernel.org
---
 drivers/pci/endpoint/functions/pci-epf-test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c 
b/drivers/pci/endpoint/functions/pci-epf-test.c
index 3e86fa3..4bbd26e 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -175,7 +175,7 @@ static int pci_epf_test_read(struct pci_epf_test *epf_test)
                goto err_map_addr;
        }
 
-       memcpy(buf, src_addr, reg->size);
+       memcpy_fromio(buf, src_addr, reg->size);
 
        crc32 = crc32_le(~0, buf, reg->size);
        if (crc32 != reg->checksum)
@@ -230,7 +230,7 @@ static int pci_epf_test_write(struct pci_epf_test *epf_test)
        get_random_bytes(buf, reg->size);
        reg->checksum = crc32_le(~0, buf, reg->size);
 
-       memcpy(dst_addr, buf, reg->size);
+       memcpy_toio(dst_addr, buf, reg->size);
 
        /*
         * wait 1ms inorder for the write to complete. Without this delay L3
-- 
2.9.5