Messages in this thread Patch in this message | | | Date | Tue, 17 Jan 2023 17:06:30 +0800 (CST) | From | <> | Subject | [PATCH linux-next] powerpc/cell/axon msi: Use dma zalloc coherent() |
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From: ye xingchen <ye.xingchen@zte.com.cn>
Instead of using dma_alloc_coherent() and memset() directly use dma_zalloc_coherent().
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn> --- arch/powerpc/platforms/cell/axon_msi.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 0c11aad896c7..8a4c522c8e67 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -358,8 +358,8 @@ static int axon_msi_probe(struct platform_device *device) goto out_free_msic; }
- msic->fifo_virt = dma_alloc_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, - &msic->fifo_phys, GFP_KERNEL); + msic->fifo_virt = dma_zalloc_coherent(&device->dev, MSIC_FIFO_SIZE_BYTES, + &msic->fifo_phys, GFP_KERNEL); if (!msic->fifo_virt) { printk(KERN_ERR "axon_msi: couldn't allocate fifo for %pOF\n", dn); @@ -372,7 +372,6 @@ static int axon_msi_probe(struct platform_device *device) dn); goto out_free_fifo; } - memset(msic->fifo_virt, 0xff, MSIC_FIFO_SIZE_BYTES);
/* We rely on being able to stash a virq in a u16, so limit irqs to < 65536 */ msic->irq_domain = irq_domain_add_nomap(dn, 65536, &msic_host_ops, msic); -- 2.25.1
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