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63 lines
2.2 KiB
Diff
63 lines
2.2 KiB
Diff
From 061855025b6842debdf6ea2e8bfd86f50700e263 Mon Sep 17 00:00:00 2001
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From: Grant Likely <grant.likely@linaro.org>
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Date: Thu, 19 Dec 2013 09:30:58 -0300
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Subject: [PATCH 187/203] of: Add helper for printing an of_phandle_args
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structure
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It is sometimes useful for debug to get the contents of an
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of_phandle_args structure out into the kernel log.
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Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Conflicts:
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drivers/of/base.c
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---
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drivers/of/base.c | 9 +++++++++
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drivers/of/irq.c | 6 +++---
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include/linux/of.h | 1 +
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3 files changed, 13 insertions(+), 3 deletions(-)
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--- a/drivers/of/base.c
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+++ b/drivers/of/base.c
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@@ -1136,6 +1136,15 @@ EXPORT_SYMBOL(of_parse_phandle);
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* To get a device_node of the `node2' node you may call this:
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* of_parse_phandle_with_args(node3, "list", "#list-cells", 1, &args);
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*/
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+void of_print_phandle_args(const char *msg, const struct of_phandle_args *args)
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+{
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+ int i;
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+ printk("%s %s", msg, of_node_full_name(args->np));
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+ for (i = 0; i < args->args_count; i++)
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+ printk(i ? ",%08x" : ":%08x", args->args[i]);
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+ printk("\n");
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+}
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+
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static int __of_parse_phandle_with_args(const struct device_node *np,
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const char *list_name,
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const char *cells_name, int index,
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--- a/drivers/of/irq.c
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+++ b/drivers/of/irq.c
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@@ -101,9 +101,9 @@ int of_irq_parse_raw(const __be32 *addr,
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u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
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int imaplen, match, i;
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- pr_debug("of_irq_parse_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
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- of_node_full_name(out_irq->np), out_irq->args[0], out_irq->args[1],
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- out_irq->args_count);
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+#ifdef DEBUG
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+ of_print_phandle_args("of_irq_parse_raw: ", out_irq);
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+#endif
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ipar = of_node_get(out_irq->np);
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--- a/include/linux/of.h
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+++ b/include/linux/of.h
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@@ -274,6 +274,7 @@ extern int of_n_size_cells(struct device
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extern const struct of_device_id *of_match_node(
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const struct of_device_id *matches, const struct device_node *node);
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extern int of_modalias_node(struct device_node *node, char *modalias, int len);
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+extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args);
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extern struct device_node *of_parse_phandle(const struct device_node *np,
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const char *phandle_name,
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int index);
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