Krzysztof Kozlowski <krzk@xxxxxxxxxx> writes:
> diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
> index 5ac84efc6ede..9fe4fb3b08aa 100644
> --- a/arch/powerpc/kernel/iomap.c
> +++ b/arch/powerpc/kernel/iomap.c
> @@ -15,23 +15,23 @@
> * Here comes the ppc64 implementation of the IOMAP
> * interfaces.
> */
> -unsigned int ioread8(void __iomem *addr)
> +unsigned int ioread8(const void __iomem *addr)
> {
> return readb(addr);
> }
> -unsigned int ioread16(void __iomem *addr)
> +unsigned int ioread16(const void __iomem *addr)
> {
> return readw(addr);
> }
> -unsigned int ioread16be(void __iomem *addr)
> +unsigned int ioread16be(const void __iomem *addr)
> {
> return readw_be(addr);
> }
> -unsigned int ioread32(void __iomem *addr)
> +unsigned int ioread32(const void __iomem *addr)
> {
> return readl(addr);
> }
> -unsigned int ioread32be(void __iomem *addr)
> +unsigned int ioread32be(const void __iomem *addr)
> {
> return readl_be(addr);
> }
> @@ -41,27 +41,27 @@ EXPORT_SYMBOL(ioread16be);
> EXPORT_SYMBOL(ioread32);
> EXPORT_SYMBOL(ioread32be);
> #ifdef __powerpc64__
> -u64 ioread64(void __iomem *addr)
> +u64 ioread64(const void __iomem *addr)
> {
> return readq(addr);
> }
> -u64 ioread64_lo_hi(void __iomem *addr)
> +u64 ioread64_lo_hi(const void __iomem *addr)
> {
> return readq(addr);
> }
> -u64 ioread64_hi_lo(void __iomem *addr)
> +u64 ioread64_hi_lo(const void __iomem *addr)
> {
> return readq(addr);
> }
> -u64 ioread64be(void __iomem *addr)
> +u64 ioread64be(const void __iomem *addr)
> {
> return readq_be(addr);
> }
> -u64 ioread64be_lo_hi(void __iomem *addr)
> +u64 ioread64be_lo_hi(const void __iomem *addr)
> {
> return readq_be(addr);
> }
> -u64 ioread64be_hi_lo(void __iomem *addr)
> +u64 ioread64be_hi_lo(const void __iomem *addr)
> {
> return readq_be(addr);
> }
> @@ -139,15 +139,15 @@ EXPORT_SYMBOL(iowrite64be_hi_lo);
> * FIXME! We could make these do EEH handling if we really
> * wanted. Not clear if we do.
> */
> -void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
> +void ioread8_rep(const void __iomem *addr, void *dst, unsigned long count)
> {
> readsb(addr, dst, count);
> }
> -void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
> +void ioread16_rep(const void __iomem *addr, void *dst, unsigned long count)
> {
> readsw(addr, dst, count);
> }
> -void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
> +void ioread32_rep(const void __iomem *addr, void *dst, unsigned long count)
> {
> readsl(addr, dst, count);
> }
This looks OK to me.
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)
cheers
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