uio_pruss: UIO_MEM_DMA_COHERENT conversion
authorChris Leech <cleech@redhat.com>
Thu, 1 Feb 2024 23:33:59 +0000 (15:33 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 7 Mar 2024 21:52:59 +0000 (21:52 +0000)
Conversion of this driver to use UIO_MEM_DMA_COHERENT for
dma_alloc_coherent memory instead of UIO_MEM_PHYS.

Signed-off-by: Chris Leech <cleech@redhat.com>
Link: https://lore.kernel.org/r/20240201233400.3394996-4-cleech@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/uio/uio_pruss.c

index 77e2dc40488555b56a1abfe6f01688a01869c7c7..72b33f7d4c40fcc44bce35962a9b1ec6c2fc7701 100644 (file)
@@ -191,9 +191,11 @@ static int pruss_probe(struct platform_device *pdev)
                p->mem[1].size = sram_pool_sz;
                p->mem[1].memtype = UIO_MEM_PHYS;
 
-               p->mem[2].addr = gdev->ddr_paddr;
+               p->mem[2].addr = (phys_addr_t) gdev->ddr_vaddr;
+               p->mem[2].dma_addr = gdev->ddr_paddr;
                p->mem[2].size = extram_pool_sz;
-               p->mem[2].memtype = UIO_MEM_PHYS;
+               p->mem[2].memtype = UIO_MEM_DMA_COHERENT;
+               p->mem[2].dma_device = dev;
 
                p->name = devm_kasprintf(dev, GFP_KERNEL, "pruss_evt%d", cnt);
                p->version = DRV_VERSION;