From 9f9de69d754cc9f8f2d8c21bb92275d95ddb3c77 Mon Sep 17 00:00:00 2001 From: Lukas Wunner Date: Thu, 24 Mar 2016 13:15:20 +0100 Subject: [PATCH] eeepc-wmi: Use acpi_dev_found() Use shiny new acpi_dev_found() and remove all the boilerplate to search for a particular ACPI device. No functional change. Signed-off-by: Lukas Wunner Acked-by: Darren Hart Signed-off-by: Rafael J. Wysocki --- drivers/platform/x86/eeepc-wmi.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 14fd2ecb06a1..17b365f26f9d 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -204,30 +204,10 @@ static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, } } -static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, - void *context, void **retval) -{ - pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); - *(bool *)context = true; - return AE_CTRL_TERMINATE; -} - -static int eeepc_wmi_check_atkd(void) -{ - acpi_status status; - bool found = false; - - status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, - &found, NULL); - - if (ACPI_FAILURE(status) || !found) - return 0; - return -1; -} - static int eeepc_wmi_probe(struct platform_device *pdev) { - if (eeepc_wmi_check_atkd()) { + if (acpi_dev_found(EEEPC_ACPI_HID)) { + pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); pr_warn("WMI device present, but legacy ATKD device is also " "present and enabled\n"); pr_warn("You probably booted with acpi_osi=\"Linux\" or " -- 2.20.1