On Tue, Nov 22, 2011 at 11:02:32PM +0100, Corentin Chary wrote:
> Even if this driver can only be loaded once, it is still a good
> idea to create some kind of context structure.
>
> Signed-off-by: Corentin Chary <corentincj@xxxxxxxxxx>
Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
> ---
> drivers/platform/x86/samsung-laptop.c | 291 +++++++++++++++++++--------------
> 1 files changed, 170 insertions(+), 121 deletions(-)
>
> diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
> index 09e26bf..c502252 100644
> --- a/drivers/platform/x86/samsung-laptop.c
> +++ b/drivers/platform/x86/samsung-laptop.c
> @@ -217,16 +217,23 @@ static const struct sabi_config sabi_configs[] = {
> { },
> };
>
> -static const struct sabi_config *sabi_config;
> +struct samsung_laptop {
> + const struct sabi_config *config;
>
> -static void __iomem *sabi;
> -static void __iomem *sabi_iface;
> -static void __iomem *f0000_segment;
> -static struct backlight_device *backlight_device;
> -static struct mutex sabi_mutex;
> -static struct platform_device *sdev;
> -static struct rfkill *rfk;
> -static bool has_stepping_quirk;
> + void __iomem *sabi;
> + void __iomem *sabi_iface;
> + void __iomem *f0000_segment;
> +
> + struct mutex sabi_mutex;
> +
> + struct platform_device *pdev;
> + struct backlight_device *backlight_device;
> + struct rfkill *rfk;
> +
> + bool has_stepping_quirk;
> +};
> +
> +static struct samsung_laptop *samsung;
>
> static int force;
> module_param(force, bool, 0);
> @@ -239,27 +246,28 @@ MODULE_PARM_DESC(debug, "Debug enabled or not");
>
> static int sabi_get_command(u8 command, struct sabi_retval *sretval)
> {
> + const struct sabi_config *config = samsung->config;
> int retval = 0;
> - u16 port = readw(sabi + sabi_config->header_offsets.port);
> + u16 port = readw(samsung->sabi + config->header_offsets.port);
> u8 complete, iface_data;
>
> - mutex_lock(&sabi_mutex);
> + mutex_lock(&samsung->sabi_mutex);
>
> /* enable memory to be able to write to it */
> - outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
> + outb(readb(samsung->sabi + config->header_offsets.en_mem), port);
>
> /* write out the command */
> - writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
> - writew(command, sabi_iface + SABI_IFACE_SUB);
> - writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
> - outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
> + writew(config->main_function, samsung->sabi_iface + SABI_IFACE_MAIN);
> + writew(command, samsung->sabi_iface + SABI_IFACE_SUB);
> + writeb(0, samsung->sabi_iface + SABI_IFACE_COMPLETE);
> + outb(readb(samsung->sabi + config->header_offsets.iface_func), port);
>
> /* write protect memory to make it safe */
> - outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
> + outb(readb(samsung->sabi + config->header_offsets.re_mem), port);
>
> /* see if the command actually succeeded */
> - complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
> - iface_data = readb(sabi_iface + SABI_IFACE_DATA);
> + complete = readb(samsung->sabi_iface + SABI_IFACE_COMPLETE);
> + iface_data = readb(samsung->sabi_iface + SABI_IFACE_DATA);
> if (complete != 0xaa || iface_data == 0xff) {
> pr_warn("SABI get command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
> command, complete, iface_data);
> @@ -272,107 +280,112 @@ static int sabi_get_command(u8 command, struct sabi_retval *sretval)
> * There are commands that need more, but not for the ones we
> * currently care about.
> */
> - sretval->retval[0] = readb(sabi_iface + SABI_IFACE_DATA);
> - sretval->retval[1] = readb(sabi_iface + SABI_IFACE_DATA + 1);
> - sretval->retval[2] = readb(sabi_iface + SABI_IFACE_DATA + 2);
> - sretval->retval[3] = readb(sabi_iface + SABI_IFACE_DATA + 3);
> + sretval->retval[0] = readb(samsung->sabi_iface + SABI_IFACE_DATA);
> + sretval->retval[1] = readb(samsung->sabi_iface + SABI_IFACE_DATA + 1);
> + sretval->retval[2] = readb(samsung->sabi_iface + SABI_IFACE_DATA + 2);
> + sretval->retval[3] = readb(samsung->sabi_iface + SABI_IFACE_DATA + 3);
>
> exit:
> - mutex_unlock(&sabi_mutex);
> + mutex_unlock(&samsung->sabi_mutex);
> return retval;
>
> }
>
> static int sabi_set_command(u8 command, u8 data)
> {
> + const struct sabi_config *config = samsung->config;
> int retval = 0;
> - u16 port = readw(sabi + sabi_config->header_offsets.port);
> + u16 port = readw(samsung->sabi + config->header_offsets.port);
> u8 complete, iface_data;
>
> - mutex_lock(&sabi_mutex);
> + mutex_lock(&samsung->sabi_mutex);
>
> /* enable memory to be able to write to it */
> - outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
> + outb(readb(samsung->sabi + config->header_offsets.en_mem), port);
>
> /* write out the command */
> - writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
> - writew(command, sabi_iface + SABI_IFACE_SUB);
> - writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
> - writeb(data, sabi_iface + SABI_IFACE_DATA);
> - outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
> + writew(config->main_function, samsung->sabi_iface + SABI_IFACE_MAIN);
> + writew(command, samsung->sabi_iface + SABI_IFACE_SUB);
> + writeb(0, samsung->sabi_iface + SABI_IFACE_COMPLETE);
> + writeb(data, samsung->sabi_iface + SABI_IFACE_DATA);
> + outb(readb(samsung->sabi + config->header_offsets.iface_func), port);
>
> /* write protect memory to make it safe */
> - outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
> + outb(readb(samsung->sabi + config->header_offsets.re_mem), port);
>
> /* see if the command actually succeeded */
> - complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
> - iface_data = readb(sabi_iface + SABI_IFACE_DATA);
> + complete = readb(samsung->sabi_iface + SABI_IFACE_COMPLETE);
> + iface_data = readb(samsung->sabi_iface + SABI_IFACE_DATA);
> if (complete != 0xaa || iface_data == 0xff) {
> pr_warn("SABI set command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
> command, complete, iface_data);
> retval = -EINVAL;
> }
>
> - mutex_unlock(&sabi_mutex);
> + mutex_unlock(&samsung->sabi_mutex);
> return retval;
> }
>
> static void test_backlight(void)
> {
> + const struct sabi_commands *commands = &samsung->config->commands;
> struct sabi_retval sretval;
>
> - sabi_get_command(sabi_config->commands.get_backlight, &sretval);
> + sabi_get_command(commands->get_backlight, &sretval);
> printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
>
> - sabi_set_command(sabi_config->commands.set_backlight, 0);
> + sabi_set_command(commands->set_backlight, 0);
> printk(KERN_DEBUG "backlight should be off\n");
>
> - sabi_get_command(sabi_config->commands.get_backlight, &sretval);
> + sabi_get_command(commands->get_backlight, &sretval);
> printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
>
> msleep(1000);
>
> - sabi_set_command(sabi_config->commands.set_backlight, 1);
> + sabi_set_command(commands->set_backlight, 1);
> printk(KERN_DEBUG "backlight should be on\n");
>
> - sabi_get_command(sabi_config->commands.get_backlight, &sretval);
> + sabi_get_command(commands->get_backlight, &sretval);
> printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
> }
>
> static void test_wireless(void)
> {
> + const struct sabi_commands *commands = &samsung->config->commands;
> struct sabi_retval sretval;
>
> - sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
> + sabi_get_command(commands->get_wireless_button, &sretval);
> printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
>
> - sabi_set_command(sabi_config->commands.set_wireless_button, 0);
> + sabi_set_command(commands->set_wireless_button, 0);
> printk(KERN_DEBUG "wireless led should be off\n");
>
> - sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
> + sabi_get_command(commands->get_wireless_button, &sretval);
> printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
>
> msleep(1000);
>
> - sabi_set_command(sabi_config->commands.set_wireless_button, 1);
> + sabi_set_command(commands->set_wireless_button, 1);
> printk(KERN_DEBUG "wireless led should be on\n");
>
> - sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
> + sabi_get_command(commands->get_wireless_button, &sretval);
> printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
> }
>
> static u8 read_brightness(void)
> {
> + const struct sabi_config *config = samsung->config;
> + const struct sabi_commands *commands = &samsung->config->commands;
> struct sabi_retval sretval;
> int user_brightness = 0;
> int retval;
>
> - retval = sabi_get_command(sabi_config->commands.get_brightness,
> + retval = sabi_get_command(commands->get_brightness,
> &sretval);
> if (!retval) {
> user_brightness = sretval.retval[0];
> - if (user_brightness > sabi_config->min_brightness)
> - user_brightness -= sabi_config->min_brightness;
> + if (user_brightness > config->min_brightness)
> + user_brightness -= config->min_brightness;
> else
> user_brightness = 0;
> }
> @@ -381,9 +394,11 @@ static u8 read_brightness(void)
>
> static void set_brightness(u8 user_brightness)
> {
> - u8 user_level = user_brightness + sabi_config->min_brightness;
> + const struct sabi_config *config = samsung->config;
> + const struct sabi_commands *commands = &samsung->config->commands;
> + u8 user_level = user_brightness + config->min_brightness;
>
> - if (has_stepping_quirk && user_level != 0) {
> + if (samsung->has_stepping_quirk && user_level != 0) {
> /*
> * short circuit if the specified level is what's already set
> * to prevent the screen from flickering needlessly
> @@ -391,10 +406,10 @@ static void set_brightness(u8 user_brightness)
> if (user_brightness == read_brightness())
> return;
>
> - sabi_set_command(sabi_config->commands.set_brightness, 0);
> + sabi_set_command(commands->set_brightness, 0);
> }
>
> - sabi_set_command(sabi_config->commands.set_brightness, user_level);
> + sabi_set_command(commands->set_brightness, user_level);
> }
>
> static int get_brightness(struct backlight_device *bd)
> @@ -425,11 +440,11 @@ static void check_for_stepping_quirk(void)
> else
> check_level = initial_level - 2;
>
> - has_stepping_quirk = false;
> + samsung->has_stepping_quirk = false;
> set_brightness(check_level);
>
> if (read_brightness() != check_level) {
> - has_stepping_quirk = true;
> + samsung->has_stepping_quirk = true;
> pr_info("enabled workaround for brightness stepping quirk\n");
> }
>
> @@ -438,12 +453,14 @@ static void check_for_stepping_quirk(void)
>
> static int update_status(struct backlight_device *bd)
> {
> + const struct sabi_commands *commands = &samsung->config->commands;
> +
> set_brightness(bd->props.brightness);
>
> if (bd->props.power == FB_BLANK_UNBLANK)
> - sabi_set_command(sabi_config->commands.set_backlight, 1);
> + sabi_set_command(commands->set_backlight, 1);
> else
> - sabi_set_command(sabi_config->commands.set_backlight, 0);
> + sabi_set_command(commands->set_backlight, 0);
> return 0;
> }
>
> @@ -454,15 +471,17 @@ static const struct backlight_ops backlight_ops = {
>
> static int rfkill_set(void *data, bool blocked)
> {
> + const struct sabi_commands *commands = &samsung->config->commands;
> +
> /* Do something with blocked...*/
> /*
> * blocked == false is on
> * blocked == true is off
> */
> if (blocked)
> - sabi_set_command(sabi_config->commands.set_wireless_button, 0);
> + sabi_set_command(commands->set_wireless_button, 0);
> else
> - sabi_set_command(sabi_config->commands.set_wireless_button, 1);
> + sabi_set_command(commands->set_wireless_button, 1);
>
> return 0;
> }
> @@ -471,18 +490,18 @@ static struct rfkill_ops rfkill_ops = {
> .set_block = rfkill_set,
> };
>
> -static int init_wireless(struct platform_device *sdev)
> +static int init_wireless(struct platform_device *pdev)
> {
> int retval;
>
> - rfk = rfkill_alloc("samsung-wifi", &sdev->dev, RFKILL_TYPE_WLAN,
> - &rfkill_ops, NULL);
> - if (!rfk)
> + samsung->rfk = rfkill_alloc("samsung-wifi", &samsung->pdev->dev, RFKILL_TYPE_WLAN,
> + &rfkill_ops, NULL);
> + if (!samsung->rfk)
> return -ENOMEM;
>
> - retval = rfkill_register(rfk);
> + retval = rfkill_register(samsung->rfk);
> if (retval) {
> - rfkill_destroy(rfk);
> + rfkill_destroy(samsung->rfk);
> return -ENODEV;
> }
>
> @@ -491,27 +510,28 @@ static int init_wireless(struct platform_device *sdev)
>
> static void destroy_wireless(void)
> {
> - rfkill_unregister(rfk);
> - rfkill_destroy(rfk);
> + rfkill_unregister(samsung->rfk);
> + rfkill_destroy(samsung->rfk);
> }
>
> static ssize_t get_performance_level(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> + const struct sabi_config *config = samsung->config;
> struct sabi_retval sretval;
> int retval;
> int i;
>
> /* Read the state */
> - retval = sabi_get_command(sabi_config->commands.get_performance_level,
> + retval = sabi_get_command(config->commands.get_performance_level,
> &sretval);
> if (retval)
> return retval;
>
> /* The logic is backwards, yeah, lots of fun... */
> - for (i = 0; sabi_config->performance_levels[i].name; ++i) {
> - if (sretval.retval[0] == sabi_config->performance_levels[i].value)
> - return sprintf(buf, "%s\n", sabi_config->performance_levels[i].name);
> + for (i = 0; config->performance_levels[i].name; ++i) {
> + if (sretval.retval[0] == config->performance_levels[i].value)
> + return sprintf(buf, "%s\n", config->performance_levels[i].name);
> }
> return sprintf(buf, "%s\n", "unknown");
> }
> @@ -520,18 +540,20 @@ static ssize_t set_performance_level(struct device *dev,
> struct device_attribute *attr, const char *buf,
> size_t count)
> {
> + const struct sabi_config *config = samsung->config;
> +
> if (count >= 1) {
> int i;
> - for (i = 0; sabi_config->performance_levels[i].name; ++i) {
> + for (i = 0; config->performance_levels[i].name; ++i) {
> const struct sabi_performance_level *level =
> - &sabi_config->performance_levels[i];
> + &config->performance_levels[i];
> if (!strncasecmp(level->name, buf, strlen(level->name))) {
> - sabi_set_command(sabi_config->commands.set_performance_level,
> + sabi_set_command(config->commands.set_performance_level,
> level->value);
> break;
> }
> }
> - if (!sabi_config->performance_levels[i].name)
> + if (!config->performance_levels[i].name)
> return -EINVAL;
> }
> return count;
> @@ -805,6 +827,9 @@ static int find_signature(void __iomem *memcheck, const char *testStr)
>
> static int __init samsung_init(void)
> {
> + const struct sabi_config *config = NULL;
> + const struct sabi_commands *commands;
> + struct backlight_device *bd;
> struct backlight_properties props;
> struct sabi_retval sretval;
> unsigned int ifaceP;
> @@ -812,21 +837,26 @@ static int __init samsung_init(void)
> int loca;
> int retval;
>
> - mutex_init(&sabi_mutex);
> -
> if (!force && !dmi_check_system(samsung_dmi_table))
> return -ENODEV;
>
> - f0000_segment = ioremap_nocache(0xf0000, 0xffff);
> - if (!f0000_segment) {
> + samsung = kzalloc(sizeof(*samsung), GFP_KERNEL);
> + if (!samsung)
> + return -ENOMEM;
> +
> + mutex_init(&samsung->sabi_mutex);
> +
> + samsung->f0000_segment = ioremap_nocache(0xf0000, 0xffff);
> + if (!samsung->f0000_segment) {
> pr_err("Can't map the segment at 0xf0000\n");
> - return -EINVAL;
> + goto error_cant_map;
> }
>
> /* Try to find one of the signatures in memory to find the header */
> for (i = 0; sabi_configs[i].test_string != 0; ++i) {
> - sabi_config = &sabi_configs[i];
> - loca = find_signature(f0000_segment, sabi_config->test_string);
> + samsung->config = &sabi_configs[i];
> + loca = find_signature(samsung->f0000_segment,
> + samsung->config->test_string);
> if (loca != 0xffff)
> break;
> }
> @@ -836,51 +866,60 @@ static int __init samsung_init(void)
> goto error_no_signature;
> }
>
> + config = samsung->config;
> + commands = &config->commands;
> +
> /* point to the SMI port Number */
> loca += 1;
> - sabi = (f0000_segment + loca);
> + samsung->sabi = (samsung->f0000_segment + loca);
>
> if (debug) {
> printk(KERN_DEBUG "This computer supports SABI==%x\n",
> loca + 0xf0000 - 6);
> printk(KERN_DEBUG "SABI header:\n");
> printk(KERN_DEBUG " SMI Port Number = 0x%04x\n",
> - readw(sabi + sabi_config->header_offsets.port));
> + readw(samsung->sabi +
> + config->header_offsets.port));
> printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n",
> - readb(sabi + sabi_config->header_offsets.iface_func));
> + readb(samsung->sabi +
> + config->header_offsets.iface_func));
> printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n",
> - readb(sabi + sabi_config->header_offsets.en_mem));
> + readb(samsung->sabi +
> + config->header_offsets.en_mem));
> printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n",
> - readb(sabi + sabi_config->header_offsets.re_mem));
> + readb(samsung->sabi +
> + config->header_offsets.re_mem));
> printk(KERN_DEBUG " SABI data offset = 0x%04x\n",
> - readw(sabi + sabi_config->header_offsets.data_offset));
> + readw(samsung->sabi +
> + config->header_offsets.data_offset));
> printk(KERN_DEBUG " SABI data segment = 0x%04x\n",
> - readw(sabi + sabi_config->header_offsets.data_segment));
> + readw(samsung->sabi +
> + config->header_offsets.data_segment));
> }
>
> /* Get a pointer to the SABI Interface */
> - ifaceP = (readw(sabi + sabi_config->header_offsets.data_segment) & 0x0ffff) << 4;
> - ifaceP += readw(sabi + sabi_config->header_offsets.data_offset) & 0x0ffff;
> - sabi_iface = ioremap_nocache(ifaceP, 16);
> - if (!sabi_iface) {
> + ifaceP = (readw(samsung->sabi + config->header_offsets.data_segment) & 0x0ffff) << 4;
> + ifaceP += readw(samsung->sabi + config->header_offsets.data_offset) & 0x0ffff;
> + samsung->sabi_iface = ioremap_nocache(ifaceP, 16);
> + if (!samsung->sabi_iface) {
> pr_err("Can't remap %x\n", ifaceP);
> goto error_no_signature;
> }
> if (debug) {
> printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
> - printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface);
> + printk(KERN_DEBUG "sabi_iface = %p\n", samsung->sabi_iface);
>
> test_backlight();
> test_wireless();
>
> - retval = sabi_get_command(sabi_config->commands.get_brightness,
> + retval = sabi_get_command(commands->get_brightness,
> &sretval);
> printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]);
> }
>
> /* Turn on "Linux" mode in the BIOS */
> - if (sabi_config->commands.set_linux != 0xff) {
> - retval = sabi_set_command(sabi_config->commands.set_linux,
> + if (commands->set_linux != 0xff) {
> + retval = sabi_set_command(commands->set_linux,
> 0x81);
> if (retval) {
> pr_warn("Linux mode was not set!\n");
> @@ -892,30 +931,32 @@ static int __init samsung_init(void)
> check_for_stepping_quirk();
>
> /* knock up a platform device to hang stuff off of */
> - sdev = platform_device_register_simple("samsung", -1, NULL, 0);
> - if (IS_ERR(sdev))
> + samsung->pdev = platform_device_register_simple("samsung", -1, NULL, 0);
> + if (IS_ERR(samsung->pdev))
> goto error_no_platform;
>
> /* create a backlight device to talk to this one */
> memset(&props, 0, sizeof(struct backlight_properties));
> props.type = BACKLIGHT_PLATFORM;
> - props.max_brightness = sabi_config->max_brightness -
> - sabi_config->min_brightness;
> - backlight_device = backlight_device_register("samsung", &sdev->dev,
> - NULL, &backlight_ops,
> - &props);
> - if (IS_ERR(backlight_device))
> + props.max_brightness = config->max_brightness -
> + config->min_brightness;
> + bd = backlight_device_register("samsung", &samsung->pdev->dev,
> + NULL, &backlight_ops,
> + &props);
> + if (IS_ERR(bd))
> goto error_no_backlight;
>
> - backlight_device->props.brightness = read_brightness();
> - backlight_device->props.power = FB_BLANK_UNBLANK;
> - backlight_update_status(backlight_device);
> + samsung->backlight_device = bd;
> + samsung->backlight_device->props.brightness = read_brightness();
> + samsung->backlight_device->props.power = FB_BLANK_UNBLANK;
> + backlight_update_status(samsung->backlight_device);
>
> - retval = init_wireless(sdev);
> + retval = init_wireless(samsung->pdev);
> if (retval)
> goto error_no_rfk;
>
> - retval = device_create_file(&sdev->dev, &dev_attr_performance_level);
> + retval = device_create_file(&samsung->pdev->dev,
> + &dev_attr_performance_level);
> if (retval)
> goto error_file_create;
>
> @@ -925,31 +966,39 @@ error_file_create:
> destroy_wireless();
>
> error_no_rfk:
> - backlight_device_unregister(backlight_device);
> + backlight_device_unregister(samsung->backlight_device);
>
> error_no_backlight:
> - platform_device_unregister(sdev);
> + platform_device_unregister(samsung->pdev);
>
> error_no_platform:
> - iounmap(sabi_iface);
> + iounmap(samsung->sabi_iface);
>
> error_no_signature:
> - iounmap(f0000_segment);
> + iounmap(samsung->f0000_segment);
> +
> +error_cant_map:
> + kfree(samsung);
> + samsung = NULL;
> return -EINVAL;
> }
>
> static void __exit samsung_exit(void)
> {
> + const struct sabi_commands *commands = &samsung->config->commands;
> +
> /* Turn off "Linux" mode in the BIOS */
> - if (sabi_config->commands.set_linux != 0xff)
> - sabi_set_command(sabi_config->commands.set_linux, 0x80);
> + if (commands->set_linux != 0xff)
> + sabi_set_command(commands->set_linux, 0x80);
>
> - device_remove_file(&sdev->dev, &dev_attr_performance_level);
> - backlight_device_unregister(backlight_device);
> + device_remove_file(&samsung->pdev->dev, &dev_attr_performance_level);
> + backlight_device_unregister(samsung->backlight_device);
> destroy_wireless();
> - iounmap(sabi_iface);
> - iounmap(f0000_segment);
> - platform_device_unregister(sdev);
> + iounmap(samsung->sabi_iface);
> + iounmap(samsung->f0000_segment);
> + platform_device_unregister(samsung->pdev);
> + kfree(samsung);
> + samsung = NULL;
> }
>
> module_init(samsung_init);
> --
> 1.7.5.4
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