Allow the driver to be used when AFTR enter function is not provided
(device platform data is NULL).
This actually does not give any special energy-saving benefits but
allows to track the idle time of each core. Additionally it is a safe
way to validate supplied platform data.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/cpuidle/cpuidle-exynos.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/cpuidle/cpuidle-exynos.c b/drivers/cpuidle/cpuidle-exynos.c
index 7c0151263828..5325a394be7e 100644
--- a/drivers/cpuidle/cpuidle-exynos.c
+++ b/drivers/cpuidle/cpuidle-exynos.c
@@ -77,7 +77,10 @@ static int exynos_cpuidle_probe(struct platform_device *pdev)
{
int ret;
+ /* If NULL enter only WFI */
exynos_enter_aftr = (void *)(pdev->dev.platform_data);
+ if (!exynos_enter_aftr)
+ exynos_idle_driver.state_count = 1;
ret = cpuidle_register(&exynos_idle_driver, NULL);
if (ret) {
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
