From 102c8c76f787add0790406d5c47e03cb6f8765c2 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Sun, 26 Mar 2006 07:41:55 -0700 Subject: [PARISC] Convert HIL drivers to use input_allocate_device Convert HIL drivers to use input_allocate_device() - avoids crashes. Signed-off-by: Helge Deller Signed-off-by: Kyle McMartin --- drivers/input/keyboard/hil_kbd.c | 57 ++++++++++++++++++++++------------------ drivers/input/keyboard/hilkbd.c | 54 ++++++++++++++++++++----------------- 2 files changed, 61 insertions(+), 50 deletions(-) (limited to 'drivers/input/keyboard') diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index 0a90962c38e7..99f8c5b4cd50 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -66,7 +66,7 @@ static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] = static char hil_language[][16] = { HIL_LOCALE_MAP }; struct hil_kbd { - struct input_dev dev; + struct input_dev *dev; struct serio *serio; /* Input buffer and index for packets from HIL bus. */ @@ -86,7 +86,7 @@ struct hil_kbd { /* Process a complete packet after transfer from the HIL */ static void hil_kbd_process_record(struct hil_kbd *kbd) { - struct input_dev *dev = &kbd->dev; + struct input_dev *dev = kbd->dev; hil_packet *data = kbd->data; hil_packet p; int idx, i, cnt; @@ -240,8 +240,9 @@ static void hil_kbd_disconnect(struct serio *serio) return; } - input_unregister_device(&kbd->dev); + input_unregister_device(kbd->dev); serio_close(serio); + input_free_device(kbd->dev); kfree(kbd); } @@ -251,16 +252,18 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) uint8_t did, *idd; int i; - kbd = kmalloc(sizeof(*kbd), GFP_KERNEL); + kbd = kzalloc(sizeof(*kbd), GFP_KERNEL); if (!kbd) return -ENOMEM; - memset(kbd, 0, sizeof(struct hil_kbd)); + + kbd->dev = input_allocate_device(); + if (!kbd->dev) goto bail1; + kbd->dev->private = kbd; if (serio_open(serio, drv)) goto bail0; serio_set_drvdata(serio, kbd); kbd->serio = serio; - kbd->dev.private = kbd; init_MUTEX_LOCKED(&(kbd->sem)); @@ -302,38 +305,38 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]); break; default: - goto bail1; + goto bail2; } if(HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) { printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n"); - goto bail1; + goto bail2; } - kbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); - kbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); - kbd->dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; - kbd->dev.keycodesize = sizeof(hil_kbd_set1[0]); - kbd->dev.keycode = hil_kbd_set1; - kbd->dev.name = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME; - kbd->dev.phys = "hpkbd/input0"; /* XXX */ + kbd->dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + kbd->dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + kbd->dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE; + kbd->dev->keycodesize = sizeof(hil_kbd_set1[0]); + kbd->dev->keycode = hil_kbd_set1; + kbd->dev->name = strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME; + kbd->dev->phys = "hpkbd/input0"; /* XXX */ - kbd->dev.id.bustype = BUS_HIL; - kbd->dev.id.vendor = PCI_VENDOR_ID_HP; - kbd->dev.id.product = 0x0001; /* TODO: get from kbd->rsc */ - kbd->dev.id.version = 0x0100; /* TODO: get from kbd->rsc */ - kbd->dev.dev = &serio->dev; + kbd->dev->id.bustype = BUS_HIL; + kbd->dev->id.vendor = PCI_VENDOR_ID_HP; + kbd->dev->id.product = 0x0001; /* TODO: get from kbd->rsc */ + kbd->dev->id.version = 0x0100; /* TODO: get from kbd->rsc */ + kbd->dev->dev = &serio->dev; for (i = 0; i < 128; i++) { - set_bit(hil_kbd_set1[i], kbd->dev.keybit); - set_bit(hil_kbd_set3[i], kbd->dev.keybit); + set_bit(hil_kbd_set1[i], kbd->dev->keybit); + set_bit(hil_kbd_set3[i], kbd->dev->keybit); } - clear_bit(0, kbd->dev.keybit); + clear_bit(0, kbd->dev->keybit); - input_register_device(&kbd->dev); + input_register_device(kbd->dev); printk(KERN_INFO "input: %s, ID: %d\n", - kbd->dev.name, did); + kbd->dev->name, did); serio->write(serio, 0); serio->write(serio, 0); @@ -343,8 +346,10 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv) up(&(kbd->sem)); return 0; - bail1: + bail2: serio_close(serio); + bail1: + input_free_device(kbd->dev); bail0: kfree(kbd); serio_set_drvdata(serio, NULL); diff --git a/drivers/input/keyboard/hilkbd.c b/drivers/input/keyboard/hilkbd.c index e95bc052e32a..452c5f3e6129 100644 --- a/drivers/input/keyboard/hilkbd.c +++ b/drivers/input/keyboard/hilkbd.c @@ -3,7 +3,7 @@ * * Copyright (C) 1998 Philip Blundell * Copyright (C) 1999 Matthew Wilcox - * Copyright (C) 1999-2003 Helge Deller + * Copyright (C) 1999-2006 Helge Deller * * Very basic HP Human Interface Loop (HIL) driver. * This driver handles the keyboard on HP300 (m68k) and on some @@ -90,7 +90,7 @@ static unsigned int hphilkeyb_keycode[HIL_KEYCODES_SET1_TBLSIZE] = /* HIL structure */ static struct { - struct input_dev dev; + struct input_dev *dev; unsigned int curdev; @@ -117,7 +117,7 @@ static void poll_finished(void) down = (hil_dev.data[1] & 1) == 0; scode = hil_dev.data[1] >> 1; key = hphilkeyb_keycode[scode]; - input_report_key(&hil_dev.dev, key, down); + input_report_key(hil_dev.dev, key, down); break; } hil_dev.curdev = 0; @@ -207,9 +207,14 @@ hil_keyb_init(void) unsigned int i, kbid; wait_queue_head_t hil_wait; - if (hil_dev.dev.id.bustype) { + if (hil_dev.dev) { return -ENODEV; /* already initialized */ } + + hil_dev.dev = input_allocate_device(); + if (!hil_dev.dev) + return -ENOMEM; + hil_dev.dev->private = &hil_dev; #if defined(CONFIG_HP300) if (!hwreg_present((void *)(HILBASE + HIL_DATA))) @@ -247,28 +252,26 @@ hil_keyb_init(void) c = 0; hil_do(HIL_WRITEKBDSADR, &c, 1); - init_input_dev(&hil_dev.dev); - for (i = 0; i < HIL_KEYCODES_SET1_TBLSIZE; i++) if (hphilkeyb_keycode[i] != KEY_RESERVED) - set_bit(hphilkeyb_keycode[i], hil_dev.dev.keybit); - - hil_dev.dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); - hil_dev.dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); - hil_dev.dev.keycodemax = HIL_KEYCODES_SET1_TBLSIZE; - hil_dev.dev.keycodesize = sizeof(hphilkeyb_keycode[0]); - hil_dev.dev.keycode = hphilkeyb_keycode; - hil_dev.dev.name = "HIL keyboard"; - hil_dev.dev.phys = "hpkbd/input0"; - - hil_dev.dev.id.bustype = BUS_HIL; - hil_dev.dev.id.vendor = PCI_VENDOR_ID_HP; - hil_dev.dev.id.product = 0x0001; - hil_dev.dev.id.version = 0x0010; - - input_register_device(&hil_dev.dev); + set_bit(hphilkeyb_keycode[i], hil_dev.dev->keybit); + + hil_dev.dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); + hil_dev.dev->ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL); + hil_dev.dev->keycodemax = HIL_KEYCODES_SET1_TBLSIZE; + hil_dev.dev->keycodesize = sizeof(hphilkeyb_keycode[0]); + hil_dev.dev->keycode = hphilkeyb_keycode; + hil_dev.dev->name = "HIL keyboard"; + hil_dev.dev->phys = "hpkbd/input0"; + + hil_dev.dev->id.bustype = BUS_HIL; + hil_dev.dev->id.vendor = PCI_VENDOR_ID_HP; + hil_dev.dev->id.product = 0x0001; + hil_dev.dev->id.version = 0x0010; + + input_register_device(hil_dev.dev); printk(KERN_INFO "input: %s, ID %d at 0x%08lx (irq %d) found and attached\n", - hil_dev.dev.name, kbid, HILBASE, HIL_IRQ); + hil_dev.dev->name, kbid, HILBASE, HIL_IRQ); return 0; } @@ -329,7 +332,10 @@ static void __exit hil_exit(void) /* Turn off interrupts */ hil_do(HIL_INTOFF, NULL, 0); - input_unregister_device(&hil_dev.dev); + input_unregister_device(hil_dev.dev); + + input_free_device(hil_dev.dev); + hil_dev.dev = NULL; #if defined(CONFIG_PARISC) unregister_parisc_driver(&hil_driver); -- cgit v1.2.3