soc: fsl: qe: introduce qe_get_device_node helper (d7fc5963) · Commits · 戴 / test

drivers/soc/fsl/qe/qe.c

+29 −42

Original line number	Diff line number	Diff line
		@@ -56,6 +56,20 @@ static unsigned int qe_num_of_snum;

		static phys_addr_t qebase = -1;

		static struct device_node *qe_get_device_node(void)
		{
		struct device_node *qe;

		/*
		* Newer device trees have an "fsl,qe" compatible property for the QE
		* node, but we still need to support older device trees.
		*/
		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (qe)
		return qe;
		return of_find_node_by_type(NULL, "qe");
		}

		static phys_addr_t get_qe_base(void)
		{
		struct device_node *qe;
		@@ -65,12 +79,9 @@ static phys_addr_t get_qe_base(void)
		if (qebase != -1)
		return qebase;

		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (!qe) {
		qe = of_find_node_by_type(NULL, "qe");
		qe = qe_get_device_node();
		if (!qe)
		return qebase;
		}

		ret = of_address_to_resource(qe, 0, &res);
		if (!ret)
		@@ -164,12 +175,9 @@ unsigned int qe_get_brg_clk(void)
		if (brg_clk)
		return brg_clk;

		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (!qe) {
		qe = of_find_node_by_type(NULL, "qe");
		qe = qe_get_device_node();
		if (!qe)
		return brg_clk;
		}

		prop = of_get_property(qe, "brg-frequency", &size);
		if (prop && size == sizeof(*prop))
		@@ -558,16 +566,9 @@ struct qe_firmware_info *qe_get_firmware_info(void)

		initialized = 1;

		/*
		* Newer device trees have an "fsl,qe" compatible property for the QE
		* node, but we still need to support older device trees.
		*/
		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (!qe) {
		qe = of_find_node_by_type(NULL, "qe");
		qe = qe_get_device_node();
		if (!qe)
		return NULL;
		}

		/* Find the 'firmware' child node */
		fw = of_get_child_by_name(qe, "firmware");
		@@ -613,16 +614,9 @@ unsigned int qe_get_num_of_risc(void)
		unsigned int num_of_risc = 0;
		const u32 *prop;

		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (!qe) {
		/* Older devices trees did not have an "fsl,qe"
		* compatible property, so we need to look for
		* the QE node by name.
		*/
		qe = of_find_node_by_type(NULL, "qe");
		qe = qe_get_device_node();
		if (!qe)
		return num_of_risc;
		}

		prop = of_get_property(qe, "fsl,qe-num-riscs", &size);
		if (prop && size == sizeof(*prop))
		@@ -642,16 +636,9 @@ unsigned int qe_get_num_of_snums(void)
		const u32 *prop;

		num_of_snums = 28; /* The default number of snum for threads is 28 */
		qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
		if (!qe) {
		/* Older devices trees did not have an "fsl,qe"
		* compatible property, so we need to look for
		* the QE node by name.
		*/
		qe = of_find_node_by_type(NULL, "qe");
		qe = qe_get_device_node();
		if (!qe)
		return num_of_snums;
		}

		prop = of_get_property(qe, "fsl,qe-num-snums", &size);
		if (prop && size == sizeof(*prop)) {

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