From ce3eb879f291062fe61e6b827e24dd87a3bb08d1 Mon Sep 17 00:00:00 2001 From: Ping Cheng Date: Wed, 26 Jun 2024 18:19:22 -0700 Subject: [PATCH] Clean up source code for 4.18+ Remove code specific to kernels older than 4.18. Signed-off-by: Ping Cheng --- 4.18/wacom.h | 6 ----- 4.18/wacom_sys.c | 58 +----------------------------------------------- 4.18/wacom_wac.c | 18 ++------------- 3 files changed, 3 insertions(+), 79 deletions(-) diff --git a/4.18/wacom.h b/4.18/wacom.h index ce31055d..792bec17 100644 --- a/4.18/wacom.h +++ b/4.18/wacom.h @@ -166,9 +166,7 @@ struct wacom_remote { struct input_dev *input; bool registered; struct wacom_battery battery; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) ktime_t active_time; -#endif } remotes[WACOM_MAX_REMOTES]; }; @@ -258,9 +256,5 @@ struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group, struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur); int wacom_equivalent_usage(int usage); int wacom_initialize_leds(struct wacom *wacom); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0) void wacom_idleprox_timeout(struct timer_list *list); -#else -void wacom_idleprox_timeout(unsigned long data); -#endif #endif diff --git a/4.18/wacom_sys.c b/4.18/wacom_sys.c index 5f9ce313..25c6d354 100644 --- a/4.18/wacom_sys.c +++ b/4.18/wacom_sys.c @@ -18,40 +18,6 @@ #define wacom_is_using_usb_driver(hdev) hid_is_usb(hdev) #elif defined WACOM_USING_LL_DRIVER #define wacom_is_using_usb_driver(hdev) hid_is_using_ll_driver(hdev, &usb_hid_driver) -#else -static int __wacom_is_usb_parent(struct usb_device *usbdev, void *ptr) -{ - struct hid_device *hdev = ptr; - struct device *parent = hdev->dev.parent; - struct usb_host_config *config = usbdev->actconfig; - int i; - - for (i = 0; config && i < config->desc.bNumInterfaces; i++) { - if (&config->interface[i]->dev == parent) - return 1; - } - return 0; -} - -static bool wacom_is_using_usb_driver(struct hid_device *hdev) -{ - return hdev->bus == BUS_USB && - usb_for_each_dev(hdev, __wacom_is_usb_parent); -} -#endif - -#ifndef WACOM_DEVM_OR_RESET -static int devm_add_action_or_reset(struct device *dev, - void (*action)(void *), void *data) -{ - int ret; - - ret = devm_add_action(dev, action, data); - if (ret) - action(data); - - return ret; -} #endif static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf, @@ -1444,9 +1410,7 @@ static int wacom_led_register_one(struct device *dev, struct wacom *wacom, led->hlv = wacom->led.hlv; led->cdev.name = name; led->cdev.max_brightness = LED_FULL; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0) led->cdev.flags = LED_HW_PLUGGABLE; -#endif led->cdev.brightness_get = __wacom_led_brightness_get; if (!read_only) { led->cdev.brightness_set_blocking = wacom_led_brightness_set; @@ -2615,7 +2579,6 @@ static void wacom_wireless_work(struct work_struct *work) return; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) static void wacom_remote_destroy_battery(struct wacom *wacom, int index) { struct wacom_remote *remote = wacom->remote; @@ -2627,7 +2590,6 @@ static void wacom_remote_destroy_battery(struct wacom *wacom, int index) remote->remotes[index].active_time = 0; } } -#endif static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) { @@ -2643,13 +2605,7 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) remote->remotes[i].registered = false; spin_unlock_irqrestore(&remote->remote_lock, flags); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) wacom_remote_destroy_battery(wacom, i); -#else - if (remote->remotes[i].battery.battery) - devres_release_group(&wacom->hdev->dev, - &remote->remotes[i].battery.bat_desc); -#endif if (remote->remotes[i].group.name) devres_release_group(&wacom->hdev->dev, @@ -2657,9 +2613,7 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) remote->remotes[i].serial = 0; remote->remotes[i].group.name = NULL; -#if LINUX_VERSION_CODE < KERNEL_VERSION(4,10,0) - remote->remotes[i].battery.battery = NULL; -#endif + wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; } } @@ -2744,10 +2698,8 @@ static int wacom_remote_attach_battery(struct wacom *wacom, int index) if (remote->remotes[index].battery.battery) return 0; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) if (!remote->remotes[index].active_time) return 0; -#endif if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN) return 0; @@ -2764,9 +2716,7 @@ static void wacom_remote_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, remote_work); struct wacom_remote *remote = wacom->remote; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) ktime_t kt = ktime_get(); -#endif struct wacom_remote_work_data remote_work_data; unsigned long flags; unsigned int count; @@ -2794,11 +2744,9 @@ static void wacom_remote_work(struct work_struct *work) work_serial = remote_work_data.remote[i].serial; if (work_serial) { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) if (kt - remote->remotes[i].active_time > WACOM_REMOTE_BATTERY_TIMEOUT && remote->remotes[i].active_time != 0) wacom_remote_destroy_battery(wacom, i); -#endif if (remote->remotes[i].serial == work_serial) { wacom_remote_attach_battery(wacom, i); @@ -2908,11 +2856,7 @@ static int wacom_probe(struct hid_device *hdev, INIT_WORK(&wacom->battery_work, wacom_battery_work); INIT_WORK(&wacom->remote_work, wacom_remote_work); INIT_WORK(&wacom->mode_change_work, wacom_mode_change_work); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0) timer_setup(&wacom->idleprox_timer, &wacom_idleprox_timeout, TIMER_DEFERRABLE); -#else - setup_timer(&wacom->idleprox_timer, &wacom_idleprox_timeout, (unsigned long) wacom); -#endif /* ask for the report descriptor to be loaded by HID */ error = hid_parse(hdev); diff --git a/4.18/wacom_wac.c b/4.18/wacom_wac.c index 47978073..2416452d 100644 --- a/4.18/wacom_wac.c +++ b/4.18/wacom_wac.c @@ -65,15 +65,9 @@ static void wacom_force_proxout(struct wacom_wac *wacom_wac) input_sync(input); } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0) void wacom_idleprox_timeout(struct timer_list *list) { - struct wacom *wacom = from_timer(wacom, list, idleprox_timer); -#else -void wacom_idleprox_timeout(unsigned long data) -{ - struct wacom *wacom = (struct wacom *)data; -#endif + struct wacom *wacom = from_timer(wacom, list, idleprox_timer); struct wacom_wac *wacom_wac = &wacom->wacom_wac; if (!wacom_wac->hid_data.sense_state) { @@ -1144,9 +1138,7 @@ static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len) if (index < 0 || !remote->remotes[index].registered) goto out; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) remote->remotes[i].active_time = ktime_get(); -#endif input = remote->remotes[index].input; input_report_key(input, BTN_0, (data[9] & 0x01)); @@ -1948,14 +1940,8 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, int resolution_code = code; int resolution = hidinput_calc_abs_res(field, resolution_code); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0) - if (equivalent_usage == HID_DG_TWIST) { -#else - if (equivalent_usage == HID_DG_TWIST || - equivalent_usage == WACOM_HID_WD_TOUCHRING) { -#endif + if (equivalent_usage == HID_DG_TWIST) resolution_code = ABS_RZ; - } if (equivalent_usage == HID_GD_X) { fmin += features->offset_left;