usb: isp1760: use relaxed primitives

Use io relaxed access memory primitives to satisfy strict type
checking (__force).

This will fix some existing sparse warnings:
sparse: warning: cast to restricted __le32

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210513084717.2487366-4-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index 20d1421..2cc0555 100644 (file)
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -246,7 +246,7 @@ static void bank_reads8(void __iomem *src_base, u32 src_offset, u32 bank_addr,
 
        if (src_offset < PAYLOAD_OFFSET) {
                while (bytes >= 4) {
-                       *dst = le32_to_cpu(__raw_readl(src));
+                       *dst = readl_relaxed(src);
                        bytes -= 4;
                        src++;
                        dst++;
@@ -267,7 +267,7 @@ static void bank_reads8(void __iomem *src_base, u32 src_offset, u32 bank_addr,
         * allocated.
         */
        if (src_offset < PAYLOAD_OFFSET)
-               val = le32_to_cpu(__raw_readl(src));
+               val = readl_relaxed(src);
        else
                val = __raw_readl(src);
 
@@ -301,7 +301,7 @@ static void mem_writes8(void __iomem *dst_base, u32 dst_offset,
 
        if (dst_offset < PAYLOAD_OFFSET) {
                while (bytes >= 4) {
-                       __raw_writel(cpu_to_le32(*src), dst);
+                       writel_relaxed(*src, dst);
                        bytes -= 4;
                        src++;
                        dst++;
@@ -322,7 +322,7 @@ static void mem_writes8(void __iomem *dst_base, u32 dst_offset,
         */
 
        if (dst_offset < PAYLOAD_OFFSET)
-               __raw_writel(cpu_to_le32(*src), dst);
+               writel_relaxed(*src, dst);
        else
                __raw_writel(*src, dst);
 }