diff options
author | Jonathan Corbet <corbet@lwn.net> | 2008-07-14 21:29:34 (GMT) |
---|---|---|
committer | Jonathan Corbet <corbet@lwn.net> | 2008-07-14 21:29:34 (GMT) |
commit | 2fceef397f9880b212a74c418290ce69e7ac00eb (patch) | |
tree | d9cc09ab992825ef7fede4a688103503e3caf655 /drivers/misc | |
parent | feae1ef116ed381625d3731c5ae4f4ebcb3fa302 (diff) | |
parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
download | linux-2fceef397f9880b212a74c418290ce69e7ac00eb.tar.xz |
Merge commit 'v2.6.26' into bkl-removal
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/fujitsu-laptop.c | 6 | ||||
-rw-r--r-- | drivers/misc/kgdbts.c | 33 | ||||
-rw-r--r-- | drivers/misc/thinkpad_acpi.c | 496 |
3 files changed, 292 insertions, 243 deletions
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index e2e7c05..6d14e8f 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -352,3 +352,9 @@ MODULE_AUTHOR("Jonathan Woithe"); MODULE_DESCRIPTION("Fujitsu laptop extras support"); MODULE_VERSION(FUJITSU_DRIVER_VERSION); MODULE_LICENSE("GPL"); + +static struct pnp_device_id pnp_ids[] = { + { .id = "FUJ02bf" }, + { .id = "" } +}; +MODULE_DEVICE_TABLE(pnp, pnp_ids); diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index fa39410..e4ff50b 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -102,7 +102,6 @@ #include <linux/nmi.h> #include <linux/delay.h> #include <linux/kthread.h> -#include <linux/delay.h> #define v1printk(a...) do { \ if (verbose) \ @@ -119,7 +118,6 @@ } while (0) #define MAX_CONFIG_LEN 40 -static const char hexchars[] = "0123456789abcdef"; static struct kgdb_io kgdbts_io_ops; static char get_buf[BUFMAX]; static int get_buf_cnt; @@ -131,6 +129,8 @@ static int repeat_test; static int test_complete; static int send_ack; static int final_ack; +static int force_hwbrks; +static int hwbreaks_ok; static int hw_break_val; static int hw_break_val2; #if defined(CONFIG_ARM) || defined(CONFIG_MIPS) || defined(CONFIG_SPARC) @@ -234,12 +234,12 @@ static void break_helper(char *bp_type, char *arg, unsigned long vaddr) static void sw_break(char *arg) { - break_helper("Z0", arg, 0); + break_helper(force_hwbrks ? "Z1" : "Z0", arg, 0); } static void sw_rem_break(char *arg) { - break_helper("z0", arg, 0); + break_helper(force_hwbrks ? "z1" : "z0", arg, 0); } static void hw_break(char *arg) @@ -619,8 +619,8 @@ static void fill_get_buf(char *buf) count++; } strcat(get_buf, "#"); - get_buf[count + 2] = hexchars[checksum >> 4]; - get_buf[count + 3] = hexchars[checksum & 0xf]; + get_buf[count + 2] = hex_asc_hi(checksum); + get_buf[count + 3] = hex_asc_lo(checksum); get_buf[count + 4] = '\0'; v2printk("get%i: %s\n", ts.idx, get_buf); } @@ -781,6 +781,8 @@ static void run_breakpoint_test(int is_hw_breakpoint) return; eprintk("kgdbts: ERROR %s test failed\n", ts.name); + if (is_hw_breakpoint) + hwbreaks_ok = 0; } static void run_hw_break_test(int is_write_test) @@ -798,9 +800,11 @@ static void run_hw_break_test(int is_write_test) kgdb_breakpoint(); hw_break_val_access(); if (is_write_test) { - if (test_complete == 2) + if (test_complete == 2) { eprintk("kgdbts: ERROR %s broke on access\n", ts.name); + hwbreaks_ok = 0; + } hw_break_val_write(); } kgdb_breakpoint(); @@ -809,6 +813,7 @@ static void run_hw_break_test(int is_write_test) return; eprintk("kgdbts: ERROR %s test failed\n", ts.name); + hwbreaks_ok = 0; } static void run_nmi_sleep_test(int nmi_sleep) @@ -912,6 +917,7 @@ static void kgdbts_run_tests(void) /* All HW break point tests */ if (arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT) { + hwbreaks_ok = 1; v1printk("kgdbts:RUN hw breakpoint test\n"); run_breakpoint_test(1); v1printk("kgdbts:RUN hw write breakpoint test\n"); @@ -925,6 +931,19 @@ static void kgdbts_run_tests(void) run_nmi_sleep_test(nmi_sleep); } +#ifdef CONFIG_DEBUG_RODATA + /* Until there is an api to write to read-only text segments, use + * HW breakpoints for the remainder of any tests, else print a + * failure message if hw breakpoints do not work. + */ + if (!(arch_kgdb_ops.flags & KGDB_HW_BREAKPOINT && hwbreaks_ok)) { + eprintk("kgdbts: HW breakpoints do not work," + "skipping remaining tests\n"); + return; + } + force_hwbrks = 1; +#endif /* CONFIG_DEBUG_RODATA */ + /* If the do_fork test is run it will be the last test that is * executed because a kernel thread will be spawned at the very * end to unregister the debug hooks. diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 3f28f6e..b596929 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -1293,7 +1293,7 @@ static void tpacpi_input_send_radiosw(void) mutex_lock(&tpacpi_inputdev_send_mutex); input_report_switch(tpacpi_inputdev, - SW_RADIO, !!wlsw); + SW_RFKILL_ALL, !!wlsw); input_sync(tpacpi_inputdev); mutex_unlock(&tpacpi_inputdev_send_mutex); @@ -1921,6 +1921,29 @@ static struct attribute *hotkey_mask_attributes[] __initdata = { &dev_attr_hotkey_wakeup_hotunplug_complete.attr, }; +static void hotkey_exit(void) +{ +#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL + hotkey_poll_stop_sync(); +#endif + + if (hotkey_dev_attributes) + delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); + + kfree(hotkey_keycode_map); + + if (tp_features.hotkey) { + dbg_printk(TPACPI_DBG_EXIT, + "restoring original hot key mask\n"); + /* no short-circuit boolean operator below! */ + if ((hotkey_mask_set(hotkey_orig_mask) | + hotkey_status_set(hotkey_orig_status)) != 0) + printk(TPACPI_ERR + "failed to restore hot key mask " + "to BIOS defaults\n"); + } +} + static int __init hotkey_init(struct ibm_init_struct *iibm) { /* Requirements for changing the default keymaps: @@ -2060,226 +2083,220 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n", str_supported(tp_features.hotkey)); - if (tp_features.hotkey) { - hotkey_dev_attributes = create_attr_set(13, NULL); - if (!hotkey_dev_attributes) - return -ENOMEM; - res = add_many_to_attr_set(hotkey_dev_attributes, - hotkey_attributes, - ARRAY_SIZE(hotkey_attributes)); - if (res) - return res; + if (!tp_features.hotkey) + return 1; - /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, - A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking - for HKEY interface version 0x100 */ - if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) { - if ((hkeyv >> 8) != 1) { - printk(TPACPI_ERR "unknown version of the " - "HKEY interface: 0x%x\n", hkeyv); - printk(TPACPI_ERR "please report this to %s\n", - TPACPI_MAIL); - } else { - /* - * MHKV 0x100 in A31, R40, R40e, - * T4x, X31, and later - */ - tp_features.hotkey_mask = 1; - } + hotkey_dev_attributes = create_attr_set(13, NULL); + if (!hotkey_dev_attributes) + return -ENOMEM; + res = add_many_to_attr_set(hotkey_dev_attributes, + hotkey_attributes, + ARRAY_SIZE(hotkey_attributes)); + if (res) + goto err_exit; + + /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p, + A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking + for HKEY interface version 0x100 */ + if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) { + if ((hkeyv >> 8) != 1) { + printk(TPACPI_ERR "unknown version of the " + "HKEY interface: 0x%x\n", hkeyv); + printk(TPACPI_ERR "please report this to %s\n", + TPACPI_MAIL); + } else { + /* + * MHKV 0x100 in A31, R40, R40e, + * T4x, X31, and later + */ + tp_features.hotkey_mask = 1; } + } - vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", - str_supported(tp_features.hotkey_mask)); + vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", + str_supported(tp_features.hotkey_mask)); - if (tp_features.hotkey_mask) { - if (!acpi_evalf(hkey_handle, &hotkey_all_mask, - "MHKA", "qd")) { - printk(TPACPI_ERR - "missing MHKA handler, " - "please report this to %s\n", - TPACPI_MAIL); - /* FN+F12, FN+F4, FN+F3 */ - hotkey_all_mask = 0x080cU; - } + if (tp_features.hotkey_mask) { + if (!acpi_evalf(hkey_handle, &hotkey_all_mask, + "MHKA", "qd")) { + printk(TPACPI_ERR + "missing MHKA handler, " + "please report this to %s\n", + TPACPI_MAIL); + /* FN+F12, FN+F4, FN+F3 */ + hotkey_all_mask = 0x080cU; } + } - /* hotkey_source_mask *must* be zero for - * the first hotkey_mask_get */ - res = hotkey_status_get(&hotkey_orig_status); - if (!res && tp_features.hotkey_mask) { - res = hotkey_mask_get(); - hotkey_orig_mask = hotkey_mask; - if (!res) { - res = add_many_to_attr_set( - hotkey_dev_attributes, - hotkey_mask_attributes, - ARRAY_SIZE(hotkey_mask_attributes)); - } - } + /* hotkey_source_mask *must* be zero for + * the first hotkey_mask_get */ + res = hotkey_status_get(&hotkey_orig_status); + if (res) + goto err_exit; + + if (tp_features.hotkey_mask) { + res = hotkey_mask_get(); + if (res) + goto err_exit; + + hotkey_orig_mask = hotkey_mask; + res = add_many_to_attr_set( + hotkey_dev_attributes, + hotkey_mask_attributes, + ARRAY_SIZE(hotkey_mask_attributes)); + if (res) + goto err_exit; + } #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - if (tp_features.hotkey_mask) { - hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK - & ~hotkey_all_mask; - } else { - hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK; - } + if (tp_features.hotkey_mask) { + hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK + & ~hotkey_all_mask; + } else { + hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK; + } - vdbg_printk(TPACPI_DBG_INIT, - "hotkey source mask 0x%08x, polling freq %d\n", - hotkey_source_mask, hotkey_poll_freq); + vdbg_printk(TPACPI_DBG_INIT, + "hotkey source mask 0x%08x, polling freq %d\n", + hotkey_source_mask, hotkey_poll_freq); #endif - /* Not all thinkpads have a hardware radio switch */ - if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { - tp_features.hotkey_wlsw = 1; - printk(TPACPI_INFO - "radio switch found; radios are %s\n", - enabled(status, 0)); - res = add_to_attr_set(hotkey_dev_attributes, - &dev_attr_hotkey_radio_sw.attr); - } + /* Not all thinkpads have a hardware radio switch */ + if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { + tp_features.hotkey_wlsw = 1; + printk(TPACPI_INFO + "radio switch found; radios are %s\n", + enabled(status, 0)); + res = add_to_attr_set(hotkey_dev_attributes, + &dev_attr_hotkey_radio_sw.attr); + } - /* For X41t, X60t, X61t Tablets... */ - if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) { - tp_features.hotkey_tablet = 1; - printk(TPACPI_INFO - "possible tablet mode switch found; " - "ThinkPad in %s mode\n", - (status & TP_HOTKEY_TABLET_MASK)? - "tablet" : "laptop"); - res = add_to_attr_set(hotkey_dev_attributes, - &dev_attr_hotkey_tablet_mode.attr); - } + /* For X41t, X60t, X61t Tablets... */ + if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) { + tp_features.hotkey_tablet = 1; + printk(TPACPI_INFO + "possible tablet mode switch found; " + "ThinkPad in %s mode\n", + (status & TP_HOTKEY_TABLET_MASK)? + "tablet" : "laptop"); + res = add_to_attr_set(hotkey_dev_attributes, + &dev_attr_hotkey_tablet_mode.attr); + } - if (!res) - res = register_attr_set_with_sysfs( - hotkey_dev_attributes, - &tpacpi_pdev->dev.kobj); - if (res) - return res; + if (!res) + res = register_attr_set_with_sysfs( + hotkey_dev_attributes, + &tpacpi_pdev->dev.kobj); + if (res) + goto err_exit; - /* Set up key map */ + /* Set up key map */ - hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, - GFP_KERNEL); - if (!hotkey_keycode_map) { - printk(TPACPI_ERR - "failed to allocate memory for key map\n"); - return -ENOMEM; - } + hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, + GFP_KERNEL); + if (!hotkey_keycode_map) { + printk(TPACPI_ERR + "failed to allocate memory for key map\n"); + res = -ENOMEM; + goto err_exit; + } - if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { - dbg_printk(TPACPI_DBG_INIT, - "using Lenovo default hot key map\n"); - memcpy(hotkey_keycode_map, &lenovo_keycode_map, - TPACPI_HOTKEY_MAP_SIZE); + if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { + dbg_printk(TPACPI_DBG_INIT, + "using Lenovo default hot key map\n"); + memcpy(hotkey_keycode_map, &lenovo_keycode_map, + TPACPI_HOTKEY_MAP_SIZE); + } else { + dbg_printk(TPACPI_DBG_INIT, + "using IBM default hot key map\n"); + memcpy(hotkey_keycode_map, &ibm_keycode_map, + TPACPI_HOTKEY_MAP_SIZE); + } + + set_bit(EV_KEY, tpacpi_inputdev->evbit); + set_bit(EV_MSC, tpacpi_inputdev->evbit); + set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); + tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE; + tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN; + tpacpi_inputdev->keycode = hotkey_keycode_map; + for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) { + if (hotkey_keycode_map[i] != KEY_RESERVED) { + set_bit(hotkey_keycode_map[i], + tpacpi_inputdev->keybit); } else { - dbg_printk(TPACPI_DBG_INIT, - "using IBM default hot key map\n"); - memcpy(hotkey_keycode_map, &ibm_keycode_map, - TPACPI_HOTKEY_MAP_SIZE); - } - - set_bit(EV_KEY, tpacpi_inputdev->evbit); - set_bit(EV_MSC, tpacpi_inputdev->evbit); - set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); - tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE; - tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN; - tpacpi_inputdev->keycode = hotkey_keycode_map; - for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) { - if (hotkey_keycode_map[i] != KEY_RESERVED) { - set_bit(hotkey_keycode_map[i], - tpacpi_inputdev->keybit); - } else { - if (i < sizeof(hotkey_reserved_mask)*8) - hotkey_reserved_mask |= 1 << i; - } - } - - if (tp_features.hotkey_wlsw) { - set_bit(EV_SW, tpacpi_inputdev->evbit); - set_bit(SW_RADIO, tpacpi_inputdev->swbit); - } - if (tp_features.hotkey_tablet) { - set_bit(EV_SW, tpacpi_inputdev->evbit); - set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit); + if (i < sizeof(hotkey_reserved_mask)*8) + hotkey_reserved_mask |= 1 << i; } + } - /* Do not issue duplicate brightness change events to - * userspace */ - if (!tp_features.bright_acpimode) - /* update bright_acpimode... */ - tpacpi_check_std_acpi_brightness_support(); - - if (tp_features.bright_acpimode) { - printk(TPACPI_INFO - "This ThinkPad has standard ACPI backlight " - "brightness control, supported by the ACPI " - "video driver\n"); - printk(TPACPI_NOTICE - "Disabling thinkpad-acpi brightness events " - "by default...\n"); - - /* The hotkey_reserved_mask change below is not - * necessary while the keys are at KEY_RESERVED in the - * default map, but better safe than sorry, leave it - * here as a marker of what we have to do, especially - * when we finally become able to set this at runtime - * on response to X.org requests */ - hotkey_reserved_mask |= - (1 << TP_ACPI_HOTKEYSCAN_FNHOME) - | (1 << TP_ACPI_HOTKEYSCAN_FNEND); - } + if (tp_features.hotkey_wlsw) { + set_bit(EV_SW, tpacpi_inputdev->evbit); + set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit); + } + if (tp_features.hotkey_tablet) { + set_bit(EV_SW, tpacpi_inputdev->evbit); + set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit); + } - dbg_printk(TPACPI_DBG_INIT, - "enabling hot key handling\n"); - res = hotkey_status_set(1); - if (res) - return res; - res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask) - & ~hotkey_reserved_mask) - | hotkey_orig_mask); - if (res < 0 && res != -ENXIO) - return res; + /* Do not issue duplicate brightness change events to + * userspace */ + if (!tp_features.bright_acpimode) + /* update bright_acpimode... */ + tpacpi_check_std_acpi_brightness_support(); - dbg_printk(TPACPI_DBG_INIT, - "legacy hot key reporting over procfs %s\n", - (hotkey_report_mode < 2) ? - "enabled" : "disabled"); + if (tp_features.bright_acpimode) { + printk(TPACPI_INFO + "This ThinkPad has standard ACPI backlight " + "brightness control, supported by the ACPI " + "video driver\n"); + printk(TPACPI_NOTICE + "Disabling thinkpad-acpi brightness events " + "by default...\n"); + + /* The hotkey_reserved_mask change below is not + * necessary while the keys are at KEY_RESERVED in the + * default map, but better safe than sorry, leave it + * here as a marker of what we have to do, especially + * when we finally become able to set this at runtime + * on response to X.org requests */ + hotkey_reserved_mask |= + (1 << TP_ACPI_HOTKEYSCAN_FNHOME) + | (1 << TP_ACPI_HOTKEYSCAN_FNEND); + } + + dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n"); + res = hotkey_status_set(1); + if (res) { + hotkey_exit(); + return res; + } + res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask) + & ~hotkey_reserved_mask) + | hotkey_orig_mask); + if (res < 0 && res != -ENXIO) { + hotkey_exit(); + return res; + } - tpacpi_inputdev->open = &hotkey_inputdev_open; - tpacpi_inputdev->close = &hotkey_inputdev_close; + dbg_printk(TPACPI_DBG_INIT, + "legacy hot key reporting over procfs %s\n", + (hotkey_report_mode < 2) ? + "enabled" : "disabled"); - hotkey_poll_setup_safe(1); - tpacpi_input_send_radiosw(); - tpacpi_input_send_tabletsw(); - } + tpacpi_inputdev->open = &hotkey_inputdev_open; + tpacpi_inputdev->close = &hotkey_inputdev_close; - return (tp_features.hotkey)? 0 : 1; -} + hotkey_poll_setup_safe(1); + tpacpi_input_send_radiosw(); + tpacpi_input_send_tabletsw(); -static void hotkey_exit(void) -{ -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL - hotkey_poll_stop_sync(); -#endif + return 0; - if (tp_features.hotkey) { - dbg_printk(TPACPI_DBG_EXIT, - "restoring original hot key mask\n"); - /* no short-circuit boolean operator below! */ - if ((hotkey_mask_set(hotkey_orig_mask) | - hotkey_status_set(hotkey_orig_status)) != 0) - printk(TPACPI_ERR - "failed to restore hot key mask " - "to BIOS defaults\n"); - } +err_exit: + delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); + hotkey_dev_attributes = NULL; - if (hotkey_dev_attributes) { - delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); - hotkey_dev_attributes = NULL; - } + return (res < 0)? res : 1; } static void hotkey_notify(struct ibm_struct *ibm, u32 event) @@ -3319,7 +3336,7 @@ static struct tpacpi_led_classdev tpacpi_led_thinklight = { static int __init light_init(struct ibm_init_struct *iibm) { - int rc = 0; + int rc; vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n"); @@ -3337,20 +3354,23 @@ static int __init light_init(struct ibm_init_struct *iibm) tp_features.light_status = acpi_evalf(ec_handle, NULL, "KBLT", "qv"); - vdbg_printk(TPACPI_DBG_INIT, "light is %s\n", - str_supported(tp_features.light)); + vdbg_printk(TPACPI_DBG_INIT, "light is %s, light status is %s\n", + str_supported(tp_features.light), + str_supported(tp_features.light_status)); - if (tp_features.light) { - rc = led_classdev_register(&tpacpi_pdev->dev, - &tpacpi_led_thinklight.led_classdev); - } + if (!tp_features.light) + return 1; + + rc = led_classdev_register(&tpacpi_pdev->dev, + &tpacpi_led_thinklight.led_classdev); if (rc < 0) { tp_features.light = 0; tp_features.light_status = 0; - } else { - rc = (tp_features.light)? 0 : 1; + } else { + rc = 0; } + return rc; } @@ -3821,7 +3841,7 @@ TPACPI_HANDLE(led, ec, "SLED", /* 570 */ #define TPACPI_LED_NUMLEDS 8 static struct tpacpi_led_classdev *tpacpi_leds; static enum led_status_t tpacpi_led_state_cache[TPACPI_LED_NUMLEDS]; -static const char const *tpacpi_led_names[TPACPI_LED_NUMLEDS] = { +static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = { /* there's a limit of 19 chars + NULL before 2.6.26 */ "tpacpi::power", "tpacpi:orange:batt", @@ -3833,7 +3853,7 @@ static const char const *tpacpi_led_names[TPACPI_LED_NUMLEDS] = { "tpacpi::standby", }; -static int led_get_status(unsigned int led) +static int led_get_status(const unsigned int led) { int status; enum led_status_t led_s; @@ -3857,41 +3877,42 @@ static int led_get_status(unsigned int led) /* not reached */ } -static int led_set_status(unsigned int led, enum led_status_t ledstatus) +static int led_set_status(const unsigned int led, + const enum led_status_t ledstatus) { /* off, on, blink. Index is led_status_t */ - static const int const led_sled_arg1[] = { 0, 1, 3 }; - static const int const led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */ - static const int const led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */ - static const int const led_led_arg1[] = { 0, 0x80, 0xc0 }; + static const unsigned int led_sled_arg1[] = { 0, 1, 3 }; + static const unsigned int led_led_arg1[] = { 0, 0x80, 0xc0 }; int rc = 0; switch (led_supported) { case TPACPI_LED_570: - /* 570 */ - led = 1 << led; - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_sled_arg1[ledstatus])) - rc = -EIO; - break; + /* 570 */ + if (led > 7) + return -EINVAL; + if (!acpi_evalf(led_handle, NULL, NULL, "vdd", + (1 << led), led_sled_arg1[ledstatus])) + rc = -EIO; + break; case TPACPI_LED_OLD: - /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ - led = 1 << led; - rc = ec_write(TPACPI_LED_EC_HLMS, led); - if (rc >= 0) - rc = ec_write(TPACPI_LED_EC_HLBL, - led * led_exp_hlbl[ledstatus]); - if (rc >= 0) - rc = ec_write(TPACPI_LED_EC_HLCL, - led * led_exp_hlcl[ledstatus]); - break; + /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */ + if (led > 7) + return -EINVAL; + rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led)); + if (rc >= 0) + rc = ec_write(TPACPI_LED_EC_HLBL, + (ledstatus == TPACPI_LED_BLINK) << led); + if (rc >= 0) + rc = ec_write(TPACPI_LED_EC_HLCL, + (ledstatus != TPACPI_LED_OFF) << led); + break; case TPACPI_LED_NEW: - /* all others */ - if (!acpi_evalf(led_handle, NULL, NULL, "vdd", - led, led_led_arg1[ledstatus])) - rc = -EIO; - break; + /* all others */ + if (!acpi_evalf(led_handle, NULL, NULL, "vdd", + led, led_led_arg1[ledstatus])) + rc = -EIO; + break; default: rc = -ENXIO; } @@ -3978,7 +3999,6 @@ static void led_exit(void) } kfree(tpacpi_leds); - tpacpi_leds = NULL; } static int __init led_init(struct ibm_init_struct *iibm) @@ -4802,7 +4822,6 @@ static void brightness_exit(void) vdbg_printk(TPACPI_DBG_EXIT, "calling backlight_device_unregister()\n"); backlight_device_unregister(ibm_backlight_device); - ibm_backlight_device = NULL; } } @@ -5764,11 +5783,16 @@ static int __init fan_init(struct ibm_init_struct *iibm) fan_control_access_mode != TPACPI_FAN_WR_NONE) { rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group); - if (!(rc < 0)) - rc = driver_create_file(&tpacpi_hwmon_pdriver.driver, - &driver_attr_fan_watchdog); if (rc < 0) return rc; + + rc = driver_create_file(&tpacpi_hwmon_pdriver.driver, + &driver_attr_fan_watchdog); + if (rc < 0) { + sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, + &fan_attr_group); + return rc; + } return 0; } else return 1; |