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Commit 89f75dff authored by Yuanyuan Liu's avatar Yuanyuan Liu
Browse files

soc: qcom: icnss: Get mapped copy engine interrupt numbers 



Get system mapped copy engine interrupt numbers from DTS by using
platform_get_resource.

Change-Id: I0e280f7e88fb868731c3b5caed2a190084bd4d1b
Signed-off-by: default avatarYuanyuan Liu <yuanliu@codeaurora.org>
parent 20a5b840

Documentation/devicetree/bindings/cnss/icnss.txt

+14 −14
Original line number Diff line number Diff line
@@ -10,7 +10,7 @@ Required properties: 
  - compatible: "qcom,icnss"

  - reg: Memory regions defined as starting address and size

  - reg-names: Names of the memory regions defined in reg entry

  - qcom,ce-irq-tbl: Copy engine interrupt table

  - interrupts: Copy engine interrupt table



Optional properties:
@@ -20,17 +20,17 @@ Example: 
        compatible = "qcom,icnss";

        reg = <0x0a000000 0x1000000>;

        reg-names = "membase";

        qcom,ce-irq-tbl =

			<  120  /* CE0 */ >,

			<  121  /* CE1 */ >,

			<  122  /* CE2 */ >,

			<  123  /* CE3 */ >,

			<  124  /* CE4 */ >,

			<  125  /* CE5 */ >,

			<  126  /* CE6 */ >,

			<  127  /* CE7 */ >,

			<  128  /* CE8 */ >,

			<  129  /* CE9 */ >,

			<  130  /* CE10 */ >,

			<  131  /* CE11 */ >;

        interrupts =

		   <0 130 0 /* CE0 */ >,

		   <0 131 0 /* CE1 */ >,

		   <0 132 0 /* CE2 */ >,

		   <0 133 0 /* CE3 */ >,

		   <0 134 0 /* CE4 */ >,

		   <0 135 0 /* CE5 */ >,

		   <0 136 0 /* CE6 */ >,

		   <0 137 0 /* CE7 */ >,

		   <0 138 0 /* CE8 */ >,

		   <0 139 0 /* CE9 */ >,

		   <0 140 0 /* CE10 */ >,

		   <0 141 0 /* CE11 */ >;

    };

drivers/soc/qcom/icnss.c

+11 −17
Original line number Diff line number Diff line
@@ -123,7 +123,7 @@ int icnss_register_ce_irq(unsigned int ce_id, 
		goto out;

	}



	ret = request_irq(irq, handler, flags, name, &penv->pdev->dev);

	ret = request_irq(irq, handler, IRQF_SHARED, name, &penv->pdev->dev);

	if (ret) {

		pr_err("icnss: IRQ not registered %d\n", irq);

		ret = -EINVAL;
@@ -221,6 +221,7 @@ static int icnss_probe(struct platform_device *pdev) 
	int ret = 0;

	int len = 0;

	struct resource *res;

	int i;



	if (penv)

		return -EEXIST;
@@ -245,22 +246,15 @@ static int icnss_probe(struct platform_device *pdev) 
		goto out;

	}



	if (!of_find_property(pdev->dev.of_node, "qcom,ce-irq-tbl", &len)) {

		pr_err("icnss: CE IRQ table not found\n");

		ret = -EINVAL;

		goto out;

	}

	if (len != ICNSS_MAX_IRQ_REGISTRATIONS * sizeof(u32)) {

		pr_err("icnss: invalid CE IRQ table %d\n", len);

		ret = -EINVAL;

	for (i = 0; i < ICNSS_MAX_IRQ_REGISTRATIONS; i++) {

		res = platform_get_resource(pdev, IORESOURCE_IRQ, i);

		if (!res) {

			pr_err("icnss: Fail to get IRQ-%d\n", i);

			ret = -ENODEV;

			goto out;

		} else {

			penv->ce_irqs[i] = res->start;

		}



	ret = of_property_read_u32_array(pdev->dev.of_node,

		"qcom,ce-irq-tbl", penv->ce_irqs, ICNSS_MAX_IRQ_REGISTRATIONS);

	if (ret) {

		pr_err("icnss: IRQ table not read ret = %d\n", ret);

		goto out;

	}



	pr_debug("icnss: Platform driver probed successfully\n");