| Message ID | 5bd55e34.1c69fb81.b2503.b6f5@mx.google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arch/sh/mm/consistent.c: Use dma_zalloc_coherent | expand |
On Sun, Oct 28, 2018 at 12:29 PM Sabyasachi Gupta <sabyasachi.linux@gmail.com> wrote: > > Replaced dma_alloc_coherent + memset with dma_zalloc_coherant > > Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> Acked-by: Souptick Joarder <jrdr.linux@gmail.com> > --- > arch/sh/mm/consistent.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c > index 792f361..fc8d235 100644 > --- a/arch/sh/mm/consistent.c > +++ b/arch/sh/mm/consistent.c > @@ -52,13 +52,12 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, > if (!memsize) > return 0; > > - buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); > + buf = dma_zalloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); > if (!buf) { > pr_warning("%s: unable to allocate memory\n", name); > return -ENOMEM; > } > > - memset(buf, 0, memsize); > > r->flags = IORESOURCE_MEM; > r->start = dma_handle; > -- > 2.7.4 >
On 28/10/2018 06:58, Sabyasachi Gupta wrote: > Replaced dma_alloc_coherent + memset with dma_zalloc_coherant Please take a look at linux-next where we've already phased out dma_zalloc_coherent(). The memset() should still be redundant and worth cleaning up, though. Thanks, Robin. > Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> > --- > arch/sh/mm/consistent.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c > index 792f361..fc8d235 100644 > --- a/arch/sh/mm/consistent.c > +++ b/arch/sh/mm/consistent.c > @@ -52,13 +52,12 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, > if (!memsize) > return 0; > > -buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); > +buf = dma_zalloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); > if (!buf) { > pr_warning("%s: unable to allocate memory\n", name); > return -ENOMEM; > } > > -memset(buf, 0, memsize); > > r->flags = IORESOURCE_MEM; > r->start = dma_handle; > IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 792f361..fc8d235 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -52,13 +52,12 @@ int __init platform_resource_setup_memory(struct platform_device *pdev, if (!memsize) return 0; - buf = dma_alloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); + buf = dma_zalloc_coherent(&pdev->dev, memsize, &dma_handle, GFP_KERNEL); if (!buf) { pr_warning("%s: unable to allocate memory\n", name); return -ENOMEM; } - memset(buf, 0, memsize); r->flags = IORESOURCE_MEM; r->start = dma_handle;
Replaced dma_alloc_coherent + memset with dma_zalloc_coherant Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> --- arch/sh/mm/consistent.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)