linux-kernel - Re: [PATCH 03/22] ia64: rename swiotlb_dma

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Message-ID: <20180112132435.GC26900@localhost.localdomain>
Date:   Fri, 12 Jan 2018 08:24:36 -0500
From:   Konrad Rzeszutek Wilk <konrad@...nok.org>
To:     Christoph Hellwig <hch@....de>
Cc:     iommu@...ts.linux-foundation.org, Michal Simek <monstr@...str.eu>,
        Guan Xuetao <gxt@...c.pku.edu.cn>,
        Christian König 
        <ckoenig.leichtzumerken@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
        x86@...nel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/22] ia64: rename swiotlb_dma_ops

On Wed, Jan 10, 2018 at 09:09:13AM +0100, Christoph Hellwig wrote:
> We'll need that name for a generic implementation soon.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>


Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> ---
>  arch/ia64/hp/common/hwsw_iommu.c | 4 ++--
>  arch/ia64/hp/common/sba_iommu.c  | 6 +++---
>  arch/ia64/kernel/pci-swiotlb.c   | 6 +++---
>  3 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
> index 63d8e1d2477f..41279f0442bd 100644
> --- a/arch/ia64/hp/common/hwsw_iommu.c
> +++ b/arch/ia64/hp/common/hwsw_iommu.c
> @@ -19,7 +19,7 @@
>  #include <linux/export.h>
>  #include <asm/machvec.h>
>  
> -extern const struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
> +extern const struct dma_map_ops sba_dma_ops, ia64_swiotlb_dma_ops;
>  
>  /* swiotlb declarations & definitions: */
>  extern int swiotlb_late_init_with_default_size (size_t size);
> @@ -38,7 +38,7 @@ static inline int use_swiotlb(struct device *dev)
>  const struct dma_map_ops *hwsw_dma_get_ops(struct device *dev)
>  {
>  	if (use_swiotlb(dev))
> -		return &swiotlb_dma_ops;
> +		return &ia64_swiotlb_dma_ops;
>  	return &sba_dma_ops;
>  }
>  EXPORT_SYMBOL(hwsw_dma_get_ops);
> diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
> index aec4a3354abe..8c0a9ae6afec 100644
> --- a/arch/ia64/hp/common/sba_iommu.c
> +++ b/arch/ia64/hp/common/sba_iommu.c
> @@ -2096,7 +2096,7 @@ static int __init acpi_sba_ioc_init_acpi(void)
>  /* This has to run before acpi_scan_init(). */
>  arch_initcall(acpi_sba_ioc_init_acpi);
>  
> -extern const struct dma_map_ops swiotlb_dma_ops;
> +extern const struct dma_map_ops ia64_swiotlb_dma_ops;
>  
>  static int __init
>  sba_init(void)
> @@ -2111,7 +2111,7 @@ sba_init(void)
>  	 * a successful kdump kernel boot is to use the swiotlb.
>  	 */
>  	if (is_kdump_kernel()) {
> -		dma_ops = &swiotlb_dma_ops;
> +		dma_ops = &ia64_swiotlb_dma_ops;
>  		if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
>  			panic("Unable to initialize software I/O TLB:"
>  				  " Try machvec=dig boot option");
> @@ -2133,7 +2133,7 @@ sba_init(void)
>  		 * If we didn't find something sba_iommu can claim, we
>  		 * need to setup the swiotlb and switch to the dig machvec.
>  		 */
> -		dma_ops = &swiotlb_dma_ops;
> +		dma_ops = &ia64_swiotlb_dma_ops;
>  		if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
>  			panic("Unable to find SBA IOMMU or initialize "
>  			      "software I/O TLB: Try machvec=dig boot option");
> diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
> index 5e50939aa03e..f1ae873a8c35 100644
> --- a/arch/ia64/kernel/pci-swiotlb.c
> +++ b/arch/ia64/kernel/pci-swiotlb.c
> @@ -31,7 +31,7 @@ static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
>  	swiotlb_free_coherent(dev, size, vaddr, dma_addr);
>  }
>  
> -const struct dma_map_ops swiotlb_dma_ops = {
> +const struct dma_map_ops ia64_swiotlb_dma_ops = {
>  	.alloc = ia64_swiotlb_alloc_coherent,
>  	.free = ia64_swiotlb_free_coherent,
>  	.map_page = swiotlb_map_page,
> @@ -48,7 +48,7 @@ const struct dma_map_ops swiotlb_dma_ops = {
>  
>  void __init swiotlb_dma_init(void)
>  {
> -	dma_ops = &swiotlb_dma_ops;
> +	dma_ops = &ia64_swiotlb_dma_ops;
>  	swiotlb_init(1);
>  }
>  
> @@ -60,7 +60,7 @@ void __init pci_swiotlb_init(void)
>  		printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
>  		machvec_init("dig");
>  		swiotlb_init(1);
> -		dma_ops = &swiotlb_dma_ops;
> +		dma_ops = &ia64_swiotlb_dma_ops;
>  #else
>  		panic("Unable to find Intel IOMMU");
>  #endif
> -- 
> 2.14.2
>