diff options
Diffstat (limited to 'drivers/hte/hte-tegra194-test.c')
| -rw-r--r-- | drivers/hte/hte-tegra194-test.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/hte/hte-tegra194-test.c b/drivers/hte/hte-tegra194-test.c index 5d776a185bd6..94e931f45305 100644 --- a/drivers/hte/hte-tegra194-test.c +++ b/drivers/hte/hte-tegra194-test.c @@ -6,17 +6,17 @@ */ #include <linux/err.h> -#include <linux/module.h> -#include <linux/moduleparam.h> +#include <linux/gpio/consumer.h> +#include <linux/hte.h> #include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/timer.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> #include <linux/platform_device.h> +#include <linux/timer.h> #include <linux/workqueue.h> -#include <linux/hte.h> /* - * This sample HTE GPIO test driver demonstrates HTE API usage by enabling + * This sample HTE test driver demonstrates HTE API usage by enabling * hardware timestamp on gpio_in and specified LIC IRQ lines. * * Note: gpio_out and gpio_in need to be shorted externally in order for this @@ -153,8 +153,10 @@ static int tegra_hte_test_probe(struct platform_device *pdev) } cnt = of_hte_req_count(hte.pdev); - if (cnt < 0) + if (cnt < 0) { + ret = cnt; goto free_irq; + } dev_info(&pdev->dev, "Total requested lines:%d\n", cnt); @@ -212,16 +214,14 @@ out: return ret; } -static int tegra_hte_test_remove(struct platform_device *pdev) +static void tegra_hte_test_remove(struct platform_device *pdev) { (void)pdev; free_irq(hte.gpio_in_irq, &hte); gpiod_put(hte.gpio_in); gpiod_put(hte.gpio_out); - del_timer_sync(&hte.timer); - - return 0; + timer_delete_sync(&hte.timer); } static struct platform_driver tegra_hte_test_driver = { @@ -235,4 +235,5 @@ static struct platform_driver tegra_hte_test_driver = { module_platform_driver(tegra_hte_test_driver); MODULE_AUTHOR("Dipen Patel <dipenp@nvidia.com>"); +MODULE_DESCRIPTION("NVIDIA Tegra HTE (Hardware Timestamping Engine) test driver"); MODULE_LICENSE("GPL"); |