Replace dma_alloc_coherent() with dmam_alloc_coherent() and remove the dma_free_coherent() call. This shaves off 2 vars in the driver data struct. Signed-off-by: Andre Heider <a.heider@xxxxxxxxx> --- drivers/uio/uio_pruss.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index 310598a..50ff206 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -63,10 +63,8 @@ struct uio_pruss_dev { struct uio_info *info; struct clk *pruss_clk; dma_addr_t sram_paddr; - dma_addr_t ddr_paddr; void __iomem *prussio_vaddr; unsigned long sram_vaddr; - void *ddr_vaddr; unsigned int hostirq_start; unsigned int pintc_base; struct gen_pool *sram_pool; @@ -100,10 +98,6 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev) uio_unregister_device(p); kfree(p->name); } - if (gdev->ddr_vaddr) { - dma_free_coherent(dev, extram_pool_sz, gdev->ddr_vaddr, - gdev->ddr_paddr); - } if (gdev->sram_vaddr) gen_pool_free(gdev->sram_pool, gdev->sram_vaddr, @@ -119,6 +113,7 @@ static int pruss_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int ret = -ENODEV, cnt = 0; struct uio_pruss_pdata *pdata = dev_get_platdata(dev); + dma_addr_t ddr_paddr; gdev = devm_kzalloc(dev, sizeof(struct uio_pruss_dev), GFP_KERNEL); if (!gdev) @@ -155,9 +150,8 @@ static int pruss_probe(struct platform_device *pdev) } } - gdev->ddr_vaddr = dma_alloc_coherent(dev, extram_pool_sz, - &(gdev->ddr_paddr), GFP_KERNEL | GFP_DMA); - if (!gdev->ddr_vaddr) { + if (!dmam_alloc_coherent(dev, extram_pool_sz, &ddr_paddr, + GFP_KERNEL | GFP_DMA)) { dev_err(dev, "Could not allocate external memory\n"); goto out_free; } @@ -174,7 +168,7 @@ 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 = ddr_paddr; p->mem[2].size = extram_pool_sz; p->mem[2].memtype = UIO_MEM_PHYS; -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html