diff options
| author |   Shawn Guo <shawn.guo@linaro.org> | 2012-06-13 14:07:31 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-07-01 21:57:43 +0800 |
| commit | 88289c80d419897c03f7f43b35e3730d8fb6825b (patch) | |
| tree | 026e38319b74258f490e52350af6bc86eaf3ad2b /drivers/dma | |
| parent | ARM: imx: move irq_domain_add_legacy call into avic driver (diff) | |
| download | linux-dev-88289c80d419897c03f7f43b35e3730d8fb6825b.tar.xz linux-dev-88289c80d419897c03f7f43b35e3730d8fb6825b.zip | |
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>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ipu/ipu_idmac.c | 8 | ||||
| -rw-r--r-- | drivers/dma/ipu/ipu_irq.c | 14 |
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index 5ec72044ea4c..c7573e50aa14 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -1663,7 +1663,6 @@ static void __exit ipu_idmac_exit(struct ipu *ipu) 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 @@ static int __init ipu_probe(struct platform_device *pdev) 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 @@ static int __init ipu_probe(struct platform_device *pdev) 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)); diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c index a71f55e72be9..fa95bcc3de1f 100644 --- a/drivers/dma/ipu/ipu_irq.c +++ b/drivers/dma/ipu/ipu_irq.c @@ -14,6 +14,7 @@ #include <linux/clk.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/module.h> #include <mach/ipu.h> @@ -354,10 +355,12 @@ static struct irq_chip ipu_irq_chip = { /* Install the IRQ handler */ int __init ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev) { - struct ipu_platform_data *pdata = dev->dev.platform_data; - unsigned int irq, irq_base, i; + unsigned int irq, i; + int irq_base = irq_alloc_descs(-1, 0, CONFIG_MX3_IPU_IRQS, + numa_node_id()); - irq_base = pdata->irq_base; + if (irq_base < 0) + return irq_base; for (i = 0; i < IPU_IRQ_NR_BANKS; i++) irq_bank[i].ipu = ipu; @@ -387,15 +390,16 @@ int __init ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev) irq_set_handler_data(ipu->irq_err, ipu); irq_set_chained_handler(ipu->irq_err, ipu_irq_err); + ipu->irq_base = irq_base; + return 0; } void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev) { - struct ipu_platform_data *pdata = dev->dev.platform_data; unsigned int irq, irq_base; - irq_base = pdata->irq_base; + irq_base = ipu->irq_base; irq_set_chained_handler(ipu->irq_fn, NULL); irq_set_handler_data(ipu->irq_fn, NULL); |