clocksource/drivers/timer-ti-dm: Use of_address_to_resource()
Commit Message
Replace of_get_address() and of_translate_address() calls with single
call to of_address_to_resource().
Signed-off-by: Rob Herring <robh@kernel.org>
---
drivers/clocksource/timer-ti-dm-systimer.c | 57 ++++++++++------------
1 file changed, 27 insertions(+), 30 deletions(-)
Comments
On 19/03/2023 17:32, Rob Herring wrote:
> Replace of_get_address() and of_translate_address() calls with single
> call to of_address_to_resource().
>
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
Applied, thanks
@@ -251,24 +251,22 @@ static void __init dmtimer_systimer_assign_alwon(void)
counter_32k = -ENODEV;
for_each_matching_node(np, dmtimer_match_table) {
+ struct resource res;
if (!dmtimer_is_preferred(np))
continue;
- if (of_property_read_bool(np, "ti,timer-alwon")) {
- const __be32 *addr;
-
- addr = of_get_address(np, 0, NULL, NULL);
- pa = of_translate_address(np, addr);
- if (pa) {
- /* Quirky omap3 boards must use dmtimer12 */
- if (quirk_unreliable_oscillator &&
- pa == 0x48318000)
- continue;
-
- of_node_put(np);
- break;
- }
- }
+ if (!of_property_read_bool(np, "ti,timer-alwon"))
+ continue;
+
+ if (of_address_to_resource(np, 0, &res))
+ continue;
+
+ /* Quirky omap3 boards must use dmtimer12 */
+ if (quirk_unreliable_oscillator && res.start == 0x48318000)
+ continue;
+
+ of_node_put(np);
+ break;
}
/* Usually no need for dmtimer clocksource if we have counter32 */
@@ -285,24 +283,22 @@ static void __init dmtimer_systimer_assign_alwon(void)
static u32 __init dmtimer_systimer_find_first_available(void)
{
struct device_node *np;
- const __be32 *addr;
u32 pa = 0;
for_each_matching_node(np, dmtimer_match_table) {
+ struct resource res;
if (!dmtimer_is_preferred(np))
continue;
- addr = of_get_address(np, 0, NULL, NULL);
- pa = of_translate_address(np, addr);
- if (pa) {
- if (pa == clocksource || pa == clockevent) {
- pa = 0;
- continue;
- }
-
- of_node_put(np);
- break;
- }
+ if (of_address_to_resource(np, 0, &res))
+ continue;
+
+ if (res.start == clocksource || res.start == clockevent)
+ continue;
+
+ pa = res.start;
+ of_node_put(np);
+ break;
}
return pa;
@@ -812,7 +808,7 @@ static int __init dmtimer_clocksource_init(struct device_node *np)
*/
static int __init dmtimer_systimer_init(struct device_node *np)
{
- const __be32 *addr;
+ struct resource res;
u32 pa;
/* One time init for the preferred timer configuration */
@@ -826,8 +822,9 @@ static int __init dmtimer_systimer_init(struct device_node *np)
return -EINVAL;
}
- addr = of_get_address(np, 0, NULL, NULL);
- pa = of_translate_address(np, addr);
+
+ of_address_to_resource(np, 0, &res);
+ pa = (u32)res.start;
if (!pa)
return -EINVAL;