diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 11:10:12 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 11:10:12 -0400 |
commit | 24a77daf3d80bddcece044e6dc3675e427eef3f3 (patch) | |
tree | 2c5e0b0bea394d6fe62c5d5857c252e83e48ac48 /drivers/char | |
parent | e389f9aec689209724105ae80a6c91fd2e747bc9 (diff) | |
parent | f900e9777fc9b65140cb9570438597bc8fae56ab (diff) |
Merge branch 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (255 commits)
[POWERPC] Remove dev_dbg redefinition in drivers/ps3/vuart.c
[POWERPC] remove kernel module option for booke wdt
[POWERPC] Avoid putting cpu node twice
[POWERPC] Spinlock initializer cleanup
[POWERPC] ppc4xx_sgdma needs dma-mapping.h
[POWERPC] arch/powerpc/sysdev/timer.c build fix
[POWERPC] get_property cleanups
[POWERPC] Remove the unused HTDMSOUND driver
[POWERPC] cell: cbe_cpufreq cleanup and crash fix
[POWERPC] Declare enable_kernel_spe in a header
[POWERPC] Add dt_xlate_addr() to bootwrapper
[POWERPC] bootwrapper: CONFIG_ -> CONFIG_DEVICE_TREE
[POWERPC] Don't define a custom bd_t for Xilixn Virtex based boards.
[POWERPC] Add sane defaults for Xilinx EDK generated xparameters files
[POWERPC] Add uartlite boot console driver for the zImage wrapper
[POWERPC] Stop using ppc_sys for Xilinx Virtex boards
[POWERPC] New registration for common Xilinx Virtex ppc405 platform devices
[POWERPC] Merge common virtex header files
[POWERPC] Rework Kconfig dependancies for Xilinx Virtex ppc405 platform
[POWERPC] Clean up cpufreq Kconfig dependencies
...
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/briq_panel.c | 7 | ||||
-rw-r--r-- | drivers/char/hvc_console.c | 49 | ||||
-rw-r--r-- | drivers/char/hvc_iseries.c | 2 | ||||
-rw-r--r-- | drivers/char/hvc_vio.c | 2 | ||||
-rw-r--r-- | drivers/char/hvsi.c | 4 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_atmel.h | 4 | ||||
-rw-r--r-- | drivers/char/watchdog/Kconfig | 2 |
7 files changed, 46 insertions, 24 deletions
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index 8dcf9d20f449..c70d52ace8b2 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c | |||
@@ -202,13 +202,16 @@ static struct miscdevice briq_panel_miscdev = { | |||
202 | 202 | ||
203 | static int __init briq_panel_init(void) | 203 | static int __init briq_panel_init(void) |
204 | { | 204 | { |
205 | struct device_node *root = find_path_device("/"); | 205 | struct device_node *root = of_find_node_by_path("/"); |
206 | const char *machine; | 206 | const char *machine; |
207 | int i; | 207 | int i; |
208 | 208 | ||
209 | machine = get_property(root, "model", NULL); | 209 | machine = get_property(root, "model", NULL); |
210 | if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) | 210 | if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) { |
211 | of_node_put(root); | ||
211 | return -ENODEV; | 212 | return -ENODEV; |
213 | } | ||
214 | of_node_put(root); | ||
212 | 215 | ||
213 | printk(KERN_INFO | 216 | printk(KERN_INFO |
214 | "briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n", | 217 | "briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n", |
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index a0a88aa23f5b..0f9ed7b46a6d 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c | |||
@@ -47,8 +47,6 @@ | |||
47 | #define HVC_MAJOR 229 | 47 | #define HVC_MAJOR 229 |
48 | #define HVC_MINOR 0 | 48 | #define HVC_MINOR 0 |
49 | 49 | ||
50 | #define TIMEOUT (10) | ||
51 | |||
52 | /* | 50 | /* |
53 | * Wait this long per iteration while trying to push buffered data to the | 51 | * Wait this long per iteration while trying to push buffered data to the |
54 | * hypervisor before allowing the tty to complete a close operation. | 52 | * hypervisor before allowing the tty to complete a close operation. |
@@ -104,12 +102,12 @@ static DEFINE_SPINLOCK(hvc_structs_lock); | |||
104 | /* | 102 | /* |
105 | * This value is used to assign a tty->index value to a hvc_struct based | 103 | * This value is used to assign a tty->index value to a hvc_struct based |
106 | * upon order of exposure via hvc_probe(), when we can not match it to | 104 | * upon order of exposure via hvc_probe(), when we can not match it to |
107 | * a console canidate registered with hvc_instantiate(). | 105 | * a console candidate registered with hvc_instantiate(). |
108 | */ | 106 | */ |
109 | static int last_hvc = -1; | 107 | static int last_hvc = -1; |
110 | 108 | ||
111 | /* | 109 | /* |
112 | * Do not call this function with either the hvc_strucst_lock or the hvc_struct | 110 | * Do not call this function with either the hvc_structs_lock or the hvc_struct |
113 | * lock held. If successful, this function increments the kobject reference | 111 | * lock held. If successful, this function increments the kobject reference |
114 | * count against the target hvc_struct so it should be released when finished. | 112 | * count against the target hvc_struct so it should be released when finished. |
115 | */ | 113 | */ |
@@ -162,7 +160,7 @@ void hvc_console_print(struct console *co, const char *b, unsigned count) | |||
162 | if (index >= MAX_NR_HVC_CONSOLES) | 160 | if (index >= MAX_NR_HVC_CONSOLES) |
163 | return; | 161 | return; |
164 | 162 | ||
165 | /* This console adapter was removed so it is not useable. */ | 163 | /* This console adapter was removed so it is not usable. */ |
166 | if (vtermnos[index] < 0) | 164 | if (vtermnos[index] < 0) |
167 | return; | 165 | return; |
168 | 166 | ||
@@ -220,7 +218,7 @@ struct console hvc_con_driver = { | |||
220 | }; | 218 | }; |
221 | 219 | ||
222 | /* | 220 | /* |
223 | * Early console initialization. Preceeds driver initialization. | 221 | * Early console initialization. Precedes driver initialization. |
224 | * | 222 | * |
225 | * (1) we are first, and the user specified another driver | 223 | * (1) we are first, and the user specified another driver |
226 | * -- index will remain -1 | 224 | * -- index will remain -1 |
@@ -257,7 +255,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) | |||
257 | if (vtermnos[index] != -1) | 255 | if (vtermnos[index] != -1) |
258 | return -1; | 256 | return -1; |
259 | 257 | ||
260 | /* make sure no no tty has been registerd in this index */ | 258 | /* make sure no no tty has been registered in this index */ |
261 | hp = hvc_get_by_index(index); | 259 | hp = hvc_get_by_index(index); |
262 | if (hp) { | 260 | if (hp) { |
263 | kobject_put(&hp->kobj); | 261 | kobject_put(&hp->kobj); |
@@ -267,7 +265,7 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) | |||
267 | vtermnos[index] = vtermno; | 265 | vtermnos[index] = vtermno; |
268 | cons_ops[index] = ops; | 266 | cons_ops[index] = ops; |
269 | 267 | ||
270 | /* reserve all indices upto and including this index */ | 268 | /* reserve all indices up to and including this index */ |
271 | if (last_hvc < index) | 269 | if (last_hvc < index) |
272 | last_hvc = index; | 270 | last_hvc = index; |
273 | 271 | ||
@@ -528,7 +526,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count | |||
528 | 526 | ||
529 | /* | 527 | /* |
530 | * This is actually a contract between the driver and the tty layer outlining | 528 | * This is actually a contract between the driver and the tty layer outlining |
531 | * how much write room the driver can guarentee will be sent OR BUFFERED. This | 529 | * how much write room the driver can guarantee will be sent OR BUFFERED. This |
532 | * driver MUST honor the return value. | 530 | * driver MUST honor the return value. |
533 | */ | 531 | */ |
534 | static int hvc_write_room(struct tty_struct *tty) | 532 | static int hvc_write_room(struct tty_struct *tty) |
@@ -550,6 +548,18 @@ static int hvc_chars_in_buffer(struct tty_struct *tty) | |||
550 | return hp->n_outbuf; | 548 | return hp->n_outbuf; |
551 | } | 549 | } |
552 | 550 | ||
551 | /* | ||
552 | * timeout will vary between the MIN and MAX values defined here. By default | ||
553 | * and during console activity we will use a default MIN_TIMEOUT of 10. When | ||
554 | * the console is idle, we increase the timeout value on each pass through | ||
555 | * msleep until we reach the max. This may be noticeable as a brief (average | ||
556 | * one second) delay on the console before the console responds to input when | ||
557 | * there has been no input for some time. | ||
558 | */ | ||
559 | #define MIN_TIMEOUT (10) | ||
560 | #define MAX_TIMEOUT (2000) | ||
561 | static u32 timeout = MIN_TIMEOUT; | ||
562 | |||
553 | #define HVC_POLL_READ 0x00000001 | 563 | #define HVC_POLL_READ 0x00000001 |
554 | #define HVC_POLL_WRITE 0x00000002 | 564 | #define HVC_POLL_WRITE 0x00000002 |
555 | 565 | ||
@@ -642,9 +652,14 @@ static int hvc_poll(struct hvc_struct *hp) | |||
642 | bail: | 652 | bail: |
643 | spin_unlock_irqrestore(&hp->lock, flags); | 653 | spin_unlock_irqrestore(&hp->lock, flags); |
644 | 654 | ||
645 | if (read_total) | 655 | if (read_total) { |
656 | /* Activity is occurring, so reset the polling backoff value to | ||
657 | a minimum for performance. */ | ||
658 | timeout = MIN_TIMEOUT; | ||
659 | |||
646 | tty_flip_buffer_push(tty); | 660 | tty_flip_buffer_push(tty); |
647 | 661 | } | |
662 | |||
648 | return poll_mask; | 663 | return poll_mask; |
649 | } | 664 | } |
650 | 665 | ||
@@ -688,8 +703,12 @@ int khvcd(void *unused) | |||
688 | if (!hvc_kicked) { | 703 | if (!hvc_kicked) { |
689 | if (poll_mask == 0) | 704 | if (poll_mask == 0) |
690 | schedule(); | 705 | schedule(); |
691 | else | 706 | else { |
692 | msleep_interruptible(TIMEOUT); | 707 | if (timeout < MAX_TIMEOUT) |
708 | timeout += (timeout >> 6) + 1; | ||
709 | |||
710 | msleep_interruptible(timeout); | ||
711 | } | ||
693 | } | 712 | } |
694 | __set_current_state(TASK_RUNNING); | 713 | __set_current_state(TASK_RUNNING); |
695 | } while (!kthread_should_stop()); | 714 | } while (!kthread_should_stop()); |
@@ -794,7 +813,7 @@ int __devexit hvc_remove(struct hvc_struct *hp) | |||
794 | 813 | ||
795 | /* | 814 | /* |
796 | * We 'put' the instance that was grabbed when the kobject instance | 815 | * We 'put' the instance that was grabbed when the kobject instance |
797 | * was intialized using kobject_init(). Let the last holder of this | 816 | * was initialized using kobject_init(). Let the last holder of this |
798 | * kobject cause it to be removed, which will probably be the tty_hangup | 817 | * kobject cause it to be removed, which will probably be the tty_hangup |
799 | * below. | 818 | * below. |
800 | */ | 819 | */ |
@@ -850,7 +869,7 @@ int __init hvc_init(void) | |||
850 | } | 869 | } |
851 | module_init(hvc_init); | 870 | module_init(hvc_init); |
852 | 871 | ||
853 | /* This isn't particularily necessary due to this being a console driver | 872 | /* This isn't particularly necessary due to this being a console driver |
854 | * but it is nice to be thorough. | 873 | * but it is nice to be thorough. |
855 | */ | 874 | */ |
856 | static void __exit hvc_exit(void) | 875 | static void __exit hvc_exit(void) |
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index f144a947bd17..ec420fe8a908 100644 --- a/drivers/char/hvc_iseries.c +++ b/drivers/char/hvc_iseries.c | |||
@@ -575,7 +575,7 @@ static int hvc_find_vtys(void) | |||
575 | (num_found >= VTTY_PORTS)) | 575 | (num_found >= VTTY_PORTS)) |
576 | break; | 576 | break; |
577 | 577 | ||
578 | vtermno = get_property(vty, "reg", NULL); | 578 | vtermno = of_get_property(vty, "reg", NULL); |
579 | if (!vtermno) | 579 | if (!vtermno) |
580 | continue; | 580 | continue; |
581 | 581 | ||
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index f9c00844d2bf..94a542e20efb 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c | |||
@@ -153,7 +153,7 @@ static int hvc_find_vtys(void) | |||
153 | if (num_found >= MAX_NR_HVC_CONSOLES) | 153 | if (num_found >= MAX_NR_HVC_CONSOLES) |
154 | break; | 154 | break; |
155 | 155 | ||
156 | vtermno = get_property(vty, "reg", NULL); | 156 | vtermno = of_get_property(vty, "reg", NULL); |
157 | if (!vtermno) | 157 | if (!vtermno) |
158 | continue; | 158 | continue; |
159 | 159 | ||
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 50315d6364fd..d5a752da322f 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c | |||
@@ -1279,8 +1279,8 @@ static int __init hvsi_console_init(void) | |||
1279 | struct hvsi_struct *hp; | 1279 | struct hvsi_struct *hp; |
1280 | const uint32_t *vtermno, *irq; | 1280 | const uint32_t *vtermno, *irq; |
1281 | 1281 | ||
1282 | vtermno = get_property(vty, "reg", NULL); | 1282 | vtermno = of_get_property(vty, "reg", NULL); |
1283 | irq = get_property(vty, "interrupts", NULL); | 1283 | irq = of_get_property(vty, "interrupts", NULL); |
1284 | if (!vtermno || !irq) | 1284 | if (!vtermno || !irq) |
1285 | continue; | 1285 | continue; |
1286 | 1286 | ||
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h index aefd683c60b7..3c852009196e 100644 --- a/drivers/char/tpm/tpm_atmel.h +++ b/drivers/char/tpm/tpm_atmel.h | |||
@@ -53,8 +53,8 @@ static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size) | |||
53 | } | 53 | } |
54 | 54 | ||
55 | reg = get_property(dn, "reg", ®len); | 55 | reg = get_property(dn, "reg", ®len); |
56 | naddrc = prom_n_addr_cells(dn); | 56 | naddrc = of_n_addr_cells(dn); |
57 | nsizec = prom_n_size_cells(dn); | 57 | nsizec = of_n_size_cells(dn); |
58 | 58 | ||
59 | of_node_put(dn); | 59 | of_node_put(dn); |
60 | 60 | ||
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index e812aa129e28..60198a78974c 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig | |||
@@ -548,7 +548,7 @@ config MV64X60_WDT | |||
548 | depends on WATCHDOG && MV64X60 | 548 | depends on WATCHDOG && MV64X60 |
549 | 549 | ||
550 | config BOOKE_WDT | 550 | config BOOKE_WDT |
551 | tristate "PowerPC Book-E Watchdog Timer" | 551 | bool "PowerPC Book-E Watchdog Timer" |
552 | depends on WATCHDOG && (BOOKE || 4xx) | 552 | depends on WATCHDOG && (BOOKE || 4xx) |
553 | ---help--- | 553 | ---help--- |
554 | Please see Documentation/watchdog/watchdog-api.txt for | 554 | Please see Documentation/watchdog/watchdog-api.txt for |