Re: [Xen-devel] [PATCH v2 12/24] xen/arm: Replace ioremap_attr(PAGE_HYPERVISOR_NOCACHE) call by ioremap_nocache

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 12 Sep 2017, Julien Grall wrote:
> ioremap_cache is a wrapper of ioremap_attr(...).
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
> 
>     Changes in v2:
>         - Add Andre's reviewed-by
> ---
>  xen/arch/arm/platforms/exynos5.c | 2 +-
>  xen/arch/arm/platforms/omap5.c   | 6 ++----
>  2 files changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/xen/arch/arm/platforms/exynos5.c 
> b/xen/arch/arm/platforms/exynos5.c
> index 2ae5fa66e0..95d6581d33 100644
> --- a/xen/arch/arm/platforms/exynos5.c
> +++ b/xen/arch/arm/platforms/exynos5.c
> @@ -62,7 +62,7 @@ static int exynos5_init_time(void)
>      dprintk(XENLOG_INFO, "mct_base_addr: %016llx size: %016llx\n",
>              mct_base_addr, size);
>  
> -    mct = ioremap_attr(mct_base_addr, size, PAGE_HYPERVISOR_NOCACHE);
> +    mct = ioremap_nocache(mct_base_addr, size);
>      if ( !mct )
>      {
>          dprintk(XENLOG_ERR, "Unable to map MCT\n");
> diff --git a/xen/arch/arm/platforms/omap5.c b/xen/arch/arm/platforms/omap5.c
> index 1e1f9fa970..7dbba95756 100644
> --- a/xen/arch/arm/platforms/omap5.c
> +++ b/xen/arch/arm/platforms/omap5.c
> @@ -51,8 +51,7 @@ static int omap5_init_time(void)
>      unsigned int sys_clksel;
>      unsigned int num, den, frac1, frac2;
>  
> -    ckgen_prm_base = ioremap_attr(OMAP5_CKGEN_PRM_BASE,
> -                                  0x20, PAGE_HYPERVISOR_NOCACHE);
> +    ckgen_prm_base = ioremap_nocache(OMAP5_CKGEN_PRM_BASE, 0x20);
>      if ( !ckgen_prm_base )
>      {
>          dprintk(XENLOG_ERR, "%s: PRM_BASE ioremap failed\n", __func__);
> @@ -64,8 +63,7 @@ static int omap5_init_time(void)
>  
>      iounmap(ckgen_prm_base);
>  
> -    rt_ct_base = ioremap_attr(REALTIME_COUNTER_BASE,
> -                              0x20, PAGE_HYPERVISOR_NOCACHE);
> +    rt_ct_base = ioremap_nocache(REALTIME_COUNTER_BASE, 0x20);
>      if ( !rt_ct_base )
>      {
>          dprintk(XENLOG_ERR, "%s: REALTIME_COUNTER_BASE ioremap failed\n", 
> __func__);
> -- 
> 2.11.0
> 

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