linux-kernel - [PATCH 02/12] clocksource/drivers/timer-of: Don't request the resource by name

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Message-Id: <1515070228-10481-3-git-send-email-daniel.lezcano@linaro.org>
Date:   Thu,  4 Jan 2018 13:50:18 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     daniel.lezcano@...aro.org, tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, benjamin.gaignard@...aro.org
Subject: [PATCH 02/12] clocksource/drivers/timer-of: Don't request the resource by name

When the driver does not specify a name for the resource, don't use
of_io_request_and_map but of_iomap. That prevents resource name allocation
conflict on some platforms which have the same name than the node.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/clocksource/timer-of.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index 2ae348b..5aa7dcd 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -162,11 +162,11 @@ static __init void timer_of_base_exit(struct of_timer_base *of_base)
 static __init int timer_of_base_init(struct device_node *np,
 				     struct of_timer_base *of_base)
 {
-	const char *name = of_base->name ? of_base->name : np->full_name;
-
-	of_base->base = of_io_request_and_map(np, of_base->index, name);
+	of_base->base = of_base->name ?
+		of_io_request_and_map(np, of_base->index, of_base->name) :
+		of_iomap(np, of_base->index);
 	if (IS_ERR(of_base->base)) {
-		pr_err("Failed to iomap (%s)\n", name);
+		pr_err("Failed to iomap (%s)\n", of_base->name);
 		return PTR_ERR(of_base->base);
 	}
 
-- 
2.7.4