dma: ipu: remove the use of ipu_platform_data
The struct ipu_platform_data is used by platform code to pass
MXC_IPU_IRQ_START to ipu-core driver. We can save it by having
ipu-core driver call irq_alloc_descs to get the irq_base.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 5ec7204..c7573e5 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1663,7 +1663,6 @@
static int __init ipu_probe(struct platform_device *pdev)
{
- struct ipu_platform_data *pdata = pdev->dev.platform_data;
struct resource *mem_ipu, *mem_ic;
int ret;
@@ -1671,7 +1670,7 @@
mem_ipu = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mem_ic = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!pdata || !mem_ipu || !mem_ic)
+ if (!mem_ipu || !mem_ic)
return -EINVAL;
ipu_data.dev = &pdev->dev;
@@ -1688,10 +1687,9 @@
goto err_noirq;
ipu_data.irq_err = ret;
- ipu_data.irq_base = pdata->irq_base;
- dev_dbg(&pdev->dev, "fn irq %u, err irq %u, irq-base %u\n",
- ipu_data.irq_fn, ipu_data.irq_err, ipu_data.irq_base);
+ dev_dbg(&pdev->dev, "fn irq %u, err irq %u\n",
+ ipu_data.irq_fn, ipu_data.irq_err);
/* Remap IPU common registers */
ipu_data.reg_ipu = ioremap(mem_ipu->start, resource_size(mem_ipu));