aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2009-05-28 18:44:54 -0400
committerTony Lindgren <tony@atomide.com>2009-05-28 18:44:54 -0400
commit970a724d9173526512ebd8be991a4cbe18b7aace (patch)
tree7541c2b34e82ccabb068bdae530936838a71fad8 /arch/arm/mach-omap2
parentc81592ba1b012d555d0cb7ec711afda89c327469 (diff)
parent4a899d5e93fd974952492cd4a09e98b209d1ad58 (diff)
Merge branch 'omap3-upstream' into for-next
Conflicts: arch/arm/mach-omap2/serial.c
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/board-3430sdp.c3
-rw-r--r--arch/arm/mach-omap2/board-ldp.c219
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c4
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c3
-rw-r--r--arch/arm/mach-omap2/board-overo.c3
-rw-r--r--arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h55
-rw-r--r--arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h54
-rw-r--r--arch/arm/mach-omap2/serial.c33
8 files changed, 348 insertions, 26 deletions
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 0e6369583958..496a90e4ea7a 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -41,6 +41,7 @@
41#include <mach/keypad.h> 41#include <mach/keypad.h>
42#include <mach/gpmc-smc91x.h> 42#include <mach/gpmc-smc91x.h>
43 43
44#include "sdram-qimonda-hyb18m512160af-6.h"
44#include "mmc-twl4030.h" 45#include "mmc-twl4030.h"
45 46
46#define CONFIG_DISABLE_HFCLK 1 47#define CONFIG_DISABLE_HFCLK 1
@@ -168,7 +169,7 @@ static struct platform_device *sdp3430_devices[] __initdata = {
168 169
169static void __init omap_3430sdp_init_irq(void) 170static void __init omap_3430sdp_init_irq(void)
170{ 171{
171 omap2_init_common_hw(NULL); 172 omap2_init_common_hw(hyb18m512160af6_sdrc_params);
172 omap_init_irq(); 173 omap_init_irq();
173 omap_gpio_init(); 174 omap_gpio_init();
174} 175}
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index da57b0fcda14..d8bc0a7dcb8d 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -16,11 +16,13 @@
16#include <linux/platform_device.h> 16#include <linux/platform_device.h>
17#include <linux/delay.h> 17#include <linux/delay.h>
18#include <linux/input.h> 18#include <linux/input.h>
19#include <linux/gpio_keys.h>
19#include <linux/workqueue.h> 20#include <linux/workqueue.h>
20#include <linux/err.h> 21#include <linux/err.h>
21#include <linux/clk.h> 22#include <linux/clk.h>
22#include <linux/spi/spi.h> 23#include <linux/spi/spi.h>
23#include <linux/spi/ads7846.h> 24#include <linux/spi/ads7846.h>
25#include <linux/regulator/machine.h>
24#include <linux/i2c/twl4030.h> 26#include <linux/i2c/twl4030.h>
25#include <linux/io.h> 27#include <linux/io.h>
26#include <linux/smsc911x.h> 28#include <linux/smsc911x.h>
@@ -39,6 +41,7 @@
39#include <asm/delay.h> 41#include <asm/delay.h>
40#include <mach/control.h> 42#include <mach/control.h>
41#include <mach/usb.h> 43#include <mach/usb.h>
44#include <mach/keypad.h>
42 45
43#include "mmc-twl4030.h" 46#include "mmc-twl4030.h"
44 47
@@ -77,8 +80,163 @@ static struct platform_device ldp_smsc911x_device = {
77 }, 80 },
78}; 81};
79 82
80static struct platform_device *ldp_devices[] __initdata = { 83static int ldp_twl4030_keymap[] = {
81 &ldp_smsc911x_device, 84 KEY(0, 0, KEY_1),
85 KEY(1, 0, KEY_2),
86 KEY(2, 0, KEY_3),
87 KEY(0, 1, KEY_4),
88 KEY(1, 1, KEY_5),
89 KEY(2, 1, KEY_6),
90 KEY(3, 1, KEY_F5),
91 KEY(0, 2, KEY_7),
92 KEY(1, 2, KEY_8),
93 KEY(2, 2, KEY_9),
94 KEY(3, 2, KEY_F6),
95 KEY(0, 3, KEY_F7),
96 KEY(1, 3, KEY_0),
97 KEY(2, 3, KEY_F8),
98 PERSISTENT_KEY(4, 5),
99 KEY(4, 4, KEY_VOLUMEUP),
100 KEY(5, 5, KEY_VOLUMEDOWN),
101 0
102};
103
104static struct twl4030_keypad_data ldp_kp_twl4030_data = {
105 .rows = 6,
106 .cols = 6,
107 .keymap = ldp_twl4030_keymap,
108 .keymapsize = ARRAY_SIZE(ldp_twl4030_keymap),
109 .rep = 1,
110};
111
112static struct gpio_keys_button ldp_gpio_keys_buttons[] = {
113 [0] = {
114 .code = KEY_ENTER,
115 .gpio = 101,
116 .desc = "enter sw",
117 .active_low = 1,
118 .debounce_interval = 30,
119 },
120 [1] = {
121 .code = KEY_F1,
122 .gpio = 102,
123 .desc = "func 1",
124 .active_low = 1,
125 .debounce_interval = 30,
126 },
127 [2] = {
128 .code = KEY_F2,
129 .gpio = 103,
130 .desc = "func 2",
131 .active_low = 1,
132 .debounce_interval = 30,
133 },
134 [3] = {
135 .code = KEY_F3,
136 .gpio = 104,
137 .desc = "func 3",
138 .active_low = 1,
139 .debounce_interval = 30,
140 },
141 [4] = {
142 .code = KEY_F4,
143 .gpio = 105,
144 .desc = "func 4",
145 .active_low = 1,
146 .debounce_interval = 30,
147 },
148 [5] = {
149 .code = KEY_LEFT,
150 .gpio = 106,
151 .desc = "left sw",
152 .active_low = 1,
153 .debounce_interval = 30,
154 },
155 [6] = {
156 .code = KEY_RIGHT,
157 .gpio = 107,
158 .desc = "right sw",
159 .active_low = 1,
160 .debounce_interval = 30,
161 },
162 [7] = {
163 .code = KEY_UP,
164 .gpio = 108,
165 .desc = "up sw",
166 .active_low = 1,
167 .debounce_interval = 30,
168 },
169 [8] = {
170 .code = KEY_DOWN,
171 .gpio = 109,
172 .desc = "down sw",
173 .active_low = 1,
174 .debounce_interval = 30,
175 },
176};
177
178static struct gpio_keys_platform_data ldp_gpio_keys = {
179 .buttons = ldp_gpio_keys_buttons,
180 .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons),
181 .rep = 1,
182};
183
184static struct platform_device ldp_gpio_keys_device = {
185 .name = "gpio-keys",
186 .id = -1,
187 .dev = {
188 .platform_data = &ldp_gpio_keys,
189 },
190};
191
192static int ts_gpio;
193
194/**
195 * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
196 *
197 * @return - void. If request gpio fails then Flag KERN_ERR.
198 */
199static void ads7846_dev_init(void)
200{
201 if (gpio_request(ts_gpio, "ads7846 irq") < 0) {
202 printk(KERN_ERR "can't get ads746 pen down GPIO\n");
203 return;
204 }
205
206 gpio_direction_input(ts_gpio);
207 omap_set_gpio_debounce(ts_gpio, 1);
208 omap_set_gpio_debounce_time(ts_gpio, 0xa);
209}
210
211static int ads7846_get_pendown_state(void)
212{
213 return !gpio_get_value(ts_gpio);
214}
215
216static struct ads7846_platform_data tsc2046_config __initdata = {
217 .get_pendown_state = ads7846_get_pendown_state,
218 .keep_vref_on = 1,
219};
220
221static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
222 .turbo_mode = 0,
223 .single_channel = 1, /* 0: slave, 1: master */
224};
225
226static struct spi_board_info ldp_spi_board_info[] __initdata = {
227 [0] = {
228 /*
229 * TSC2046 operates at a max freqency of 2MHz, so
230 * operate slightly below at 1.5MHz
231 */
232 .modalias = "ads7846",
233 .bus_num = 1,
234 .chip_select = 0,
235 .max_speed_hz = 1500000,
236 .controller_data = &tsc2046_mcspi_config,
237 .irq = 0,
238 .platform_data = &tsc2046_config,
239 },
82}; 240};
83 241
84static inline void __init ldp_init_smsc911x(void) 242static inline void __init ldp_init_smsc911x(void)
@@ -122,8 +280,22 @@ static struct omap_uart_config ldp_uart_config __initdata = {
122 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), 280 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
123}; 281};
124 282
283static struct platform_device ldp_lcd_device = {
284 .name = "ldp_lcd",
285 .id = -1,
286};
287
288static struct omap_lcd_config ldp_lcd_config __initdata = {
289 .ctrl_name = "internal",
290};
291
125static struct omap_board_config_kernel ldp_config[] __initdata = { 292static struct omap_board_config_kernel ldp_config[] __initdata = {
126 { OMAP_TAG_UART, &ldp_uart_config }, 293 { OMAP_TAG_UART, &ldp_uart_config },
294 { OMAP_TAG_LCD, &ldp_lcd_config },
295};
296
297static struct twl4030_usb_data ldp_usb_data = {
298 .usb_mode = T2_USB_MODE_ULPI,
127}; 299};
128 300
129static struct twl4030_gpio_platform_data ldp_gpio_data = { 301static struct twl4030_gpio_platform_data ldp_gpio_data = {
@@ -132,12 +304,39 @@ static struct twl4030_gpio_platform_data ldp_gpio_data = {
132 .irq_end = TWL4030_GPIO_IRQ_END, 304 .irq_end = TWL4030_GPIO_IRQ_END,
133}; 305};
134 306
307static struct twl4030_madc_platform_data ldp_madc_data = {
308 .irq_line = 1,
309};
310
311static struct regulator_consumer_supply ldp_vmmc1_supply = {
312 .supply = "vmmc",
313};
314
315/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
316static struct regulator_init_data ldp_vmmc1 = {
317 .constraints = {
318 .min_uV = 1850000,
319 .max_uV = 3150000,
320 .valid_modes_mask = REGULATOR_MODE_NORMAL
321 | REGULATOR_MODE_STANDBY,
322 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
323 | REGULATOR_CHANGE_MODE
324 | REGULATOR_CHANGE_STATUS,
325 },
326 .num_consumer_supplies = 1,
327 .consumer_supplies = &ldp_vmmc1_supply,
328};
329
135static struct twl4030_platform_data ldp_twldata = { 330static struct twl4030_platform_data ldp_twldata = {
136 .irq_base = TWL4030_IRQ_BASE, 331 .irq_base = TWL4030_IRQ_BASE,
137 .irq_end = TWL4030_IRQ_END, 332 .irq_end = TWL4030_IRQ_END,
138 333
139 /* platform_data for children goes here */ 334 /* platform_data for children goes here */
335 .madc = &ldp_madc_data,
336 .usb = &ldp_usb_data,
337 .vmmc1 = &ldp_vmmc1,
140 .gpio = &ldp_gpio_data, 338 .gpio = &ldp_gpio_data,
339 .keypad = &ldp_kp_twl4030_data,
141}; 340};
142 341
143static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = { 342static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
@@ -168,15 +367,29 @@ static struct twl4030_hsmmc_info mmc[] __initdata = {
168 {} /* Terminator */ 367 {} /* Terminator */
169}; 368};
170 369
370static struct platform_device *ldp_devices[] __initdata = {
371 &ldp_smsc911x_device,
372 &ldp_lcd_device,
373 &ldp_gpio_keys_device,
374};
375
171static void __init omap_ldp_init(void) 376static void __init omap_ldp_init(void)
172{ 377{
173 omap_i2c_init(); 378 omap_i2c_init();
174 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); 379 platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
175 omap_board_config = ldp_config; 380 omap_board_config = ldp_config;
176 omap_board_config_size = ARRAY_SIZE(ldp_config); 381 omap_board_config_size = ARRAY_SIZE(ldp_config);
382 ts_gpio = 54;
383 ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
384 spi_register_board_info(ldp_spi_board_info,
385 ARRAY_SIZE(ldp_spi_board_info));
386 ads7846_dev_init();
177 omap_serial_init(); 387 omap_serial_init();
178 twl4030_mmc_init(mmc);
179 usb_musb_init(); 388 usb_musb_init();
389
390 twl4030_mmc_init(mmc);
391 /* link regulators to MMC adapters */
392 ldp_vmmc1_supply.dev = mmc[0].dev;
180} 393}
181 394
182static void __init omap_ldp_map_io(void) 395static void __init omap_ldp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 3a7a29d1f9a7..f25082c53c67 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -105,6 +105,8 @@ static struct platform_device omap3beagle_nand_device = {
105 .resource = &omap3beagle_nand_resource, 105 .resource = &omap3beagle_nand_resource,
106}; 106};
107 107
108#include "sdram-micron-mt46h32m32lf-6.h"
109
108static struct omap_uart_config omap3_beagle_uart_config __initdata = { 110static struct omap_uart_config omap3_beagle_uart_config __initdata = {
109 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), 111 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
110}; 112};
@@ -185,7 +187,7 @@ static int __init omap3_beagle_i2c_init(void)
185 187
186static void __init omap3_beagle_init_irq(void) 188static void __init omap3_beagle_init_irq(void)
187{ 189{
188 omap2_init_common_hw(NULL); 190 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
189 omap_init_irq(); 191 omap_init_irq();
190#ifdef CONFIG_OMAP_32K_TIMER 192#ifdef CONFIG_OMAP_32K_TIMER
191 omap2_gp_clockevent_set_gptimer(12); 193 omap2_gp_clockevent_set_gptimer(12);
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 402f09c6cf10..3571bb47ab86 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -36,6 +36,7 @@
36#include <mach/mcspi.h> 36#include <mach/mcspi.h>
37#include <mach/usb.h> 37#include <mach/usb.h>
38 38
39#include "sdram-micron-mt46h32m32lf-6.h"
39#include "mmc-twl4030.h" 40#include "mmc-twl4030.h"
40 41
41#define OMAP3_PANDORA_TS_GPIO 94 42#define OMAP3_PANDORA_TS_GPIO 94
@@ -118,7 +119,7 @@ static int __init omap3pandora_i2c_init(void)
118 119
119static void __init omap3pandora_init_irq(void) 120static void __init omap3pandora_init_irq(void)
120{ 121{
121 omap2_init_common_hw(NULL); 122 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
122 omap_init_irq(); 123 omap_init_irq();
123 omap_gpio_init(); 124 omap_gpio_init();
124} 125}
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index b1f23bea863f..c7443ff98ee2 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -45,6 +45,7 @@
45#include <mach/nand.h> 45#include <mach/nand.h>
46#include <mach/usb.h> 46#include <mach/usb.h>
47 47
48#include "sdram-micron-mt46h32m32lf-6.h"
48#include "mmc-twl4030.h" 49#include "mmc-twl4030.h"
49 50
50#define OVERO_GPIO_BT_XGATE 15 51#define OVERO_GPIO_BT_XGATE 15
@@ -303,7 +304,7 @@ static int __init overo_i2c_init(void)
303 304
304static void __init overo_init_irq(void) 305static void __init overo_init_irq(void)
305{ 306{
306 omap2_init_common_hw(NULL); 307 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
307 omap_init_irq(); 308 omap_init_irq();
308 omap_gpio_init(); 309 omap_gpio_init();
309} 310}
diff --git a/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h b/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h
new file mode 100644
index 000000000000..02e1c2d4705f
--- /dev/null
+++ b/arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h
@@ -0,0 +1,55 @@
1/*
2 * SDRC register values for the Micron MT46H32M32LF-6
3 *
4 * Copyright (C) 2008 Texas Instruments, Inc.
5 * Copyright (C) 2008-2009 Nokia Corporation
6 *
7 * Paul Walmsley
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#ifndef ARCH_ARM_MACH_OMAP2_SDRAM_MICRON_MT46H32M32LF
15#define ARCH_ARM_MACH_OMAP2_SDRAM_MICRON_MT46H32M32LF
16
17#include <mach/sdrc.h>
18
19/* Micron MT46H32M32LF-6 */
20/* XXX Using ARE = 0x1 (no autorefresh burst) -- can this be changed? */
21static struct omap_sdrc_params mt46h32m32lf6_sdrc_params[] = {
22 [0] = {
23 .rate = 166000000,
24 .actim_ctrla = 0x9a9db4c6,
25 .actim_ctrlb = 0x00011217,
26 .rfr_ctrl = 0x0004dc01,
27 .mr = 0x00000032,
28 },
29 [1] = {
30 .rate = 165941176,
31 .actim_ctrla = 0x9a9db4c6,
32 .actim_ctrlb = 0x00011217,
33 .rfr_ctrl = 0x0004dc01,
34 .mr = 0x00000032,
35 },
36 [2] = {
37 .rate = 83000000,
38 .actim_ctrla = 0x51512283,
39 .actim_ctrlb = 0x0001120c,
40 .rfr_ctrl = 0x00025501,
41 .mr = 0x00000032,
42 },
43 [3] = {
44 .rate = 82970588,
45 .actim_ctrla = 0x51512283,
46 .actim_ctrlb = 0x0001120c,
47 .rfr_ctrl = 0x00025501,
48 .mr = 0x00000032,
49 },
50 [4] = {
51 .rate = 0
52 },
53};
54
55#endif
diff --git a/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h
new file mode 100644
index 000000000000..3751d293cb1f
--- /dev/null
+++ b/arch/arm/mach-omap2/sdram-qimonda-hyb18m512160af-6.h
@@ -0,0 +1,54 @@
1/*
2 * SDRC register values for the Qimonda HYB18M512160AF-6
3 *
4 * Copyright (C) 2008-2009 Texas Instruments, Inc.
5 * Copyright (C) 2008-2009 Nokia Corporation
6 *
7 * Paul Walmsley
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#ifndef ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6
15#define ARCH_ARM_MACH_OMAP2_SDRAM_QIMONDA_HYB18M512160AF6
16
17#include <mach/sdrc.h>
18
19/* Qimonda HYB18M512160AF-6 */
20static struct omap_sdrc_params hyb18m512160af6_sdrc_params[] = {
21 [0] = {
22 .rate = 166000000,
23 .actim_ctrla = 0x629db4c6,
24 .actim_ctrlb = 0x00012214,
25 .rfr_ctrl = 0x0004dc01,
26 .mr = 0x00000032,
27 },
28 [1] = {
29 .rate = 165941176,
30 .actim_ctrla = 0x629db4c6,
31 .actim_ctrlb = 0x00012214,
32 .rfr_ctrl = 0x0004dc01,
33 .mr = 0x00000032,
34 },
35 [2] = {
36 .rate = 83000000,
37 .actim_ctrla = 0x31512283,
38 .actim_ctrlb = 0x0001220a,
39 .rfr_ctrl = 0x00025501,
40 .mr = 0x00000022,
41 },
42 [3] = {
43 .rate = 82970588,
44 .actim_ctrla = 0x31512283,
45 .actim_ctrlb = 0x0001220a,
46 .rfr_ctrl = 0x00025501,
47 .mr = 0x00000022,
48 },
49 [4] = {
50 .rate = 0
51 },
52};
53
54#endif
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index a0a280377a8c..fddbc4e1b231 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -469,9 +469,17 @@ static struct kobj_attribute sleep_timeout_attr =
469static inline void omap_uart_idle_init(struct omap_uart_state *uart) {} 469static inline void omap_uart_idle_init(struct omap_uart_state *uart) {}
470#endif /* CONFIG_PM */ 470#endif /* CONFIG_PM */
471 471
472static struct platform_device serial_device = {
473 .name = "serial8250",
474 .id = PLAT8250_DEV_PLATFORM,
475 .dev = {
476 .platform_data = serial_platform_data,
477 },
478};
479
472void __init omap_serial_init(void) 480void __init omap_serial_init(void)
473{ 481{
474 int i; 482 int i, err;
475 const struct omap_uart_config *info; 483 const struct omap_uart_config *info;
476 char name[16]; 484 char name[16];
477 485
@@ -522,27 +530,14 @@ void __init omap_serial_init(void)
522 omap_uart_reset(uart); 530 omap_uart_reset(uart);
523 omap_uart_idle_init(uart); 531 omap_uart_idle_init(uart);
524 } 532 }
525}
526
527static struct platform_device serial_device = {
528 .name = "serial8250",
529 .id = PLAT8250_DEV_PLATFORM,
530 .dev = {
531 .platform_data = serial_platform_data,
532 },
533};
534 533
535static int __init omap_init(void) 534 err = platform_device_register(&serial_device);
536{
537 int ret;
538
539 ret = platform_device_register(&serial_device);
540 535
541#ifdef CONFIG_PM 536#ifdef CONFIG_PM
542 if (!ret) 537 if (!err)
543 ret = sysfs_create_file(&serial_device.dev.kobj, 538 err = sysfs_create_file(&serial_device.dev.kobj,
544 &sleep_timeout_attr.attr); 539 &sleep_timeout_attr.attr);
545#endif 540#endif
546 return ret; 541
547} 542}
548arch_initcall(omap_init); 543