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authorHelge Deller <deller@parisc-linux.org>2006-01-10 20:35:03 -0500
committerKyle McMartin <kyle@duet.int.mcmartin.ca>2006-01-10 20:35:03 -0500
commit8039de10aae3cd4cf0ef0ccebd58aff0e8810df2 (patch)
treeaf82e045c8fb3a417f78b49ec43413995b5f3c0f /drivers
parent02706647a49011ae1e7b4eca33e835d1681b094e (diff)
[PARISC] Add __read_mostly section for parisc
Flag a whole bunch of things as __read_mostly on parisc. Also flag a few branches as unlikely() and cleanup a bit of code. Signed-off-by: Helge Deller <deller@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/parisc/eisa.c4
-rw-r--r--drivers/parisc/lasi.c2
-rw-r--r--drivers/parisc/lba_pci.c2
-rw-r--r--drivers/parisc/led.c18
-rw-r--r--drivers/parisc/pdc_stable.c2
-rw-r--r--drivers/parisc/power.c12
6 files changed, 20 insertions, 20 deletions
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 6362bf99eff6..3d94d86c1c9f 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -57,7 +57,7 @@
57 57
58static DEFINE_SPINLOCK(eisa_irq_lock); 58static DEFINE_SPINLOCK(eisa_irq_lock);
59 59
60void __iomem *eisa_eeprom_addr; 60void __iomem *eisa_eeprom_addr __read_mostly;
61 61
62/* We can only have one EISA adapter in the system because neither 62/* We can only have one EISA adapter in the system because neither
63 * implementation can be flexed. 63 * implementation can be flexed.
@@ -141,7 +141,7 @@ static int slave_mask;
141 * in the furure. 141 * in the furure.
142 */ 142 */
143/* irq 13,8,2,1,0 must be edge */ 143/* irq 13,8,2,1,0 must be edge */
144static unsigned int eisa_irq_level; /* default to edge triggered */ 144static unsigned int eisa_irq_level __read_mostly; /* default to edge triggered */
145 145
146 146
147/* called by free irq */ 147/* called by free irq */
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index a8c20396ffbe..2b3ba1dcf332 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -150,7 +150,7 @@ void __init lasi_led_init(unsigned long lasi_hpa)
150 * 150 *
151 */ 151 */
152 152
153static unsigned long lasi_power_off_hpa; 153static unsigned long lasi_power_off_hpa __read_mostly;
154 154
155static void lasi_power_off(void) 155static void lasi_power_off(void)
156{ 156{
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 5e495dcbc58a..4f6bdf0881b5 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -167,7 +167,7 @@
167 167
168/* non-postable I/O port space, densely packed */ 168/* non-postable I/O port space, densely packed */
169#define LBA_PORT_BASE (PCI_F_EXTEND | 0xfee00000UL) 169#define LBA_PORT_BASE (PCI_F_EXTEND | 0xfee00000UL)
170static void __iomem *astro_iop_base; 170static void __iomem *astro_iop_base __read_mostly;
171 171
172#define ELROY_HVERS 0x782 172#define ELROY_HVERS 0x782
173#define MERCURY_HVERS 0x783 173#define MERCURY_HVERS 0x783
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 315be4770d3e..f357d3f60360 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -3,7 +3,7 @@
3 * 3 *
4 * (c) Copyright 2000 Red Hat Software 4 * (c) Copyright 2000 Red Hat Software
5 * (c) Copyright 2000 Helge Deller <hdeller@redhat.com> 5 * (c) Copyright 2000 Helge Deller <hdeller@redhat.com>
6 * (c) Copyright 2001-2004 Helge Deller <deller@gmx.de> 6 * (c) Copyright 2001-2005 Helge Deller <deller@gmx.de>
7 * (c) Copyright 2001 Randolph Chung <tausq@debian.org> 7 * (c) Copyright 2001 Randolph Chung <tausq@debian.org>
8 * 8 *
9 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
@@ -56,13 +56,13 @@
56 relatively large amount of CPU time, some of the calculations can be 56 relatively large amount of CPU time, some of the calculations can be
57 turned off with the following variables (controlled via procfs) */ 57 turned off with the following variables (controlled via procfs) */
58 58
59static int led_type = -1; 59static int led_type __read_mostly = -1;
60static unsigned char lastleds; /* LED state from most recent update */ 60static unsigned char lastleds; /* LED state from most recent update */
61static unsigned int led_heartbeat = 1; 61static unsigned int led_heartbeat __read_mostly = 1;
62static unsigned int led_diskio = 1; 62static unsigned int led_diskio __read_mostly = 1;
63static unsigned int led_lanrxtx = 1; 63static unsigned int led_lanrxtx __read_mostly = 1;
64static char lcd_text[32]; 64static char lcd_text[32] __read_mostly;
65static char lcd_text_default[32]; 65static char lcd_text_default[32] __read_mostly;
66 66
67 67
68static struct workqueue_struct *led_wq; 68static struct workqueue_struct *led_wq;
@@ -108,7 +108,7 @@ struct pdc_chassis_lcd_info_ret_block {
108/* lcd_info is pre-initialized to the values needed to program KittyHawk LCD's 108/* lcd_info is pre-initialized to the values needed to program KittyHawk LCD's
109 * HP seems to have used Sharp/Hitachi HD44780 LCDs most of the time. */ 109 * HP seems to have used Sharp/Hitachi HD44780 LCDs most of the time. */
110static struct pdc_chassis_lcd_info_ret_block 110static struct pdc_chassis_lcd_info_ret_block
111lcd_info __attribute__((aligned(8))) = 111lcd_info __attribute__((aligned(8))) __read_mostly =
112{ 112{
113 .model = DISPLAY_MODEL_LCD, 113 .model = DISPLAY_MODEL_LCD,
114 .lcd_width = 16, 114 .lcd_width = 16,
@@ -144,7 +144,7 @@ static int start_task(void)
144device_initcall(start_task); 144device_initcall(start_task);
145 145
146/* ptr to LCD/LED-specific function */ 146/* ptr to LCD/LED-specific function */
147static void (*led_func_ptr) (unsigned char); 147static void (*led_func_ptr) (unsigned char) __read_mostly;
148 148
149#ifdef CONFIG_PROC_FS 149#ifdef CONFIG_PROC_FS
150static int led_proc_read(char *page, char **start, off_t off, int count, 150static int led_proc_read(char *page, char **start, off_t off, int count,
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 273a74179720..11750cbb05c6 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -70,7 +70,7 @@ MODULE_DESCRIPTION("sysfs interface to HP PDC Stable Storage data");
70MODULE_LICENSE("GPL"); 70MODULE_LICENSE("GPL");
71MODULE_VERSION(PDCS_VERSION); 71MODULE_VERSION(PDCS_VERSION);
72 72
73static unsigned long pdcs_size = 0; 73static unsigned long pdcs_size __read_mostly;
74 74
75/* This struct defines what we need to deal with a parisc pdc path entry */ 75/* This struct defines what we need to deal with a parisc pdc path entry */
76struct pdcspath_entry { 76struct pdcspath_entry {
diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index ff75e9296df9..54b2b7f20b96 100644
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -2,7 +2,7 @@
2 * linux/arch/parisc/kernel/power.c 2 * linux/arch/parisc/kernel/power.c
3 * HP PARISC soft power switch support driver 3 * HP PARISC soft power switch support driver
4 * 4 *
5 * Copyright (c) 2001-2002 Helge Deller <deller@gmx.de> 5 * Copyright (c) 2001-2005 Helge Deller <deller@gmx.de>
6 * All rights reserved. 6 * All rights reserved.
7 * 7 *
8 * 8 *
@@ -102,7 +102,7 @@ static DECLARE_WORK(poweroff_work, deferred_poweroff, NULL);
102 102
103static void poweroff(void) 103static void poweroff(void)
104{ 104{
105 static int powering_off; 105 static int powering_off __read_mostly;
106 106
107 if (powering_off) 107 if (powering_off)
108 return; 108 return;
@@ -113,7 +113,7 @@ static void poweroff(void)
113 113
114 114
115/* local time-counter for shutdown */ 115/* local time-counter for shutdown */
116static int shutdown_timer; 116static int shutdown_timer __read_mostly;
117 117
118/* check, give feedback and start shutdown after one second */ 118/* check, give feedback and start shutdown after one second */
119static void process_shutdown(void) 119static void process_shutdown(void)
@@ -139,7 +139,7 @@ static void process_shutdown(void)
139DECLARE_TASKLET_DISABLED(power_tasklet, NULL, 0); 139DECLARE_TASKLET_DISABLED(power_tasklet, NULL, 0);
140 140
141/* soft power switch enabled/disabled */ 141/* soft power switch enabled/disabled */
142int pwrsw_enabled = 1; 142int pwrsw_enabled __read_mostly = 1;
143 143
144/* 144/*
145 * On gecko style machines (e.g. 712/xx and 715/xx) 145 * On gecko style machines (e.g. 712/xx and 715/xx)
@@ -149,7 +149,7 @@ int pwrsw_enabled = 1;
149 */ 149 */
150static void gecko_tasklet_func(unsigned long unused) 150static void gecko_tasklet_func(unsigned long unused)
151{ 151{
152 if (!pwrsw_enabled) 152 if (unlikely(!pwrsw_enabled))
153 return; 153 return;
154 154
155 if (__getDIAG(25) & 0x80000000) { 155 if (__getDIAG(25) & 0x80000000) {
@@ -173,7 +173,7 @@ static void polling_tasklet_func(unsigned long soft_power_reg)
173{ 173{
174 unsigned long current_status; 174 unsigned long current_status;
175 175
176 if (!pwrsw_enabled) 176 if (unlikely(!pwrsw_enabled))
177 return; 177 return;
178 178
179 current_status = gsc_readl(soft_power_reg); 179 current_status = gsc_readl(soft_power_reg);