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-rw-r--r--drivers/video/backlight/gpio_backlight.c62
-rw-r--r--drivers/video/backlight/lm3630a_bl.c5
-rw-r--r--drivers/video/backlight/pandora_bl.c2
-rw-r--r--drivers/video/backlight/pwm_bl.c2
-rw-r--r--drivers/video/console/sticore.c11
-rw-r--r--drivers/video/fbdev/core/fb_defio.c2
-rw-r--r--drivers/video/fbdev/efifb.c31
-rw-r--r--drivers/video/fbdev/omap/lcd_h3.c2
-rw-r--r--drivers/video/fbdev/uvesafb.c7
9 files changed, 67 insertions, 57 deletions
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 18134416b154..e470da95d806 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -9,7 +9,8 @@
#include <linux/backlight.h>
#include <linux/err.h>
#include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio.h> /* Only for legacy support */
+#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -23,8 +24,7 @@ struct gpio_backlight {
struct device *dev;
struct device *fbdev;
- int gpio;
- int active;
+ struct gpio_desc *gpiod;
int def_value;
};
@@ -38,8 +38,7 @@ static int gpio_backlight_update_status(struct backlight_device *bl)
bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
brightness = 0;
- gpio_set_value_cansleep(gbl->gpio,
- brightness ? gbl->active : !gbl->active);
+ gpiod_set_value_cansleep(gbl->gpiod, brightness);
return 0;
}
@@ -61,23 +60,25 @@ static const struct backlight_ops gpio_backlight_ops = {
static int gpio_backlight_probe_dt(struct platform_device *pdev,
struct gpio_backlight *gbl)
{
- struct device_node *np = pdev->dev.of_node;
- enum of_gpio_flags gpio_flags;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ enum gpiod_flags flags;
+ int ret;
+
+ gbl->def_value = of_property_read_bool(np, "default-on");
+ flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
- gbl->gpio = of_get_gpio_flags(np, 0, &gpio_flags);
+ gbl->gpiod = devm_gpiod_get(dev, NULL, flags);
+ if (IS_ERR(gbl->gpiod)) {
+ ret = PTR_ERR(gbl->gpiod);
- if (!gpio_is_valid(gbl->gpio)) {
- if (gbl->gpio != -EPROBE_DEFER) {
- dev_err(&pdev->dev,
+ if (ret != -EPROBE_DEFER) {
+ dev_err(dev,
"Error: The gpios parameter is missing or invalid.\n");
}
- return gbl->gpio;
+ return ret;
}
- gbl->active = (gpio_flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1;
-
- gbl->def_value = of_property_read_bool(np, "default-on");
-
return 0;
}
@@ -89,7 +90,6 @@ static int gpio_backlight_probe(struct platform_device *pdev)
struct backlight_device *bl;
struct gpio_backlight *gbl;
struct device_node *np = pdev->dev.of_node;
- unsigned long flags = GPIOF_DIR_OUT;
int ret;
if (!pdata && !np) {
@@ -109,22 +109,26 @@ static int gpio_backlight_probe(struct platform_device *pdev)
if (ret)
return ret;
} else {
+ /*
+ * Legacy platform data GPIO retrieveal. Do not expand
+ * the use of this code path, currently only used by one
+ * SH board.
+ */
+ unsigned long flags = GPIOF_DIR_OUT;
+
gbl->fbdev = pdata->fbdev;
- gbl->gpio = pdata->gpio;
- gbl->active = pdata->active_low ? 0 : 1;
gbl->def_value = pdata->def_value;
- }
-
- if (gbl->active)
flags |= gbl->def_value ? GPIOF_INIT_HIGH : GPIOF_INIT_LOW;
- else
- flags |= gbl->def_value ? GPIOF_INIT_LOW : GPIOF_INIT_HIGH;
- ret = devm_gpio_request_one(gbl->dev, gbl->gpio, flags,
- pdata ? pdata->name : "backlight");
- if (ret < 0) {
- dev_err(&pdev->dev, "unable to request GPIO\n");
- return ret;
+ ret = devm_gpio_request_one(gbl->dev, pdata->gpio, flags,
+ pdata ? pdata->name : "backlight");
+ if (ret < 0) {
+ dev_err(&pdev->dev, "unable to request GPIO\n");
+ return ret;
+ }
+ gbl->gpiod = gpio_to_desc(pdata->gpio);
+ if (!gbl->gpiod)
+ return -EINVAL;
}
memset(&props, 0, sizeof(props));
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 60d6c2ac87aa..2030a6b77a09 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -31,7 +31,8 @@
#define REG_FAULT 0x0B
#define REG_PWM_OUTLOW 0x12
#define REG_PWM_OUTHIGH 0x13
-#define REG_MAX 0x1F
+#define REG_FILTER_STRENGTH 0x50
+#define REG_MAX 0x50
#define INT_DEBOUNCE_MSEC 10
struct lm3630a_chip {
@@ -80,7 +81,7 @@ static int lm3630a_chip_init(struct lm3630a_chip *pchip)
usleep_range(1000, 2000);
/* set Filter Strength Register */
- rval = lm3630a_write(pchip, 0x50, 0x03);
+ rval = lm3630a_write(pchip, REG_FILTER_STRENGTH, 0x03);
/* set Cofig. register */
rval |= lm3630a_update(pchip, REG_CONFIG, 0x07, pdata->pwm_ctrl);
/* set boost control */
diff --git a/drivers/video/backlight/pandora_bl.c b/drivers/video/backlight/pandora_bl.c
index 5d8bb8b20183..a186bc677c7d 100644
--- a/drivers/video/backlight/pandora_bl.c
+++ b/drivers/video/backlight/pandora_bl.c
@@ -16,7 +16,7 @@
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/backlight.h>
-#include <linux/i2c/twl.h>
+#include <linux/mfd/twl.h>
#include <linux/err.h>
#define TWL_PWM0_ON 0x00
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 002f1ce22bd0..9bd17682655a 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -178,7 +178,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
return 0;
}
-static struct of_device_id pwm_backlight_of_match[] = {
+static const struct of_device_id pwm_backlight_of_match[] = {
{ .compatible = "pwm-backlight" },
{ }
};
diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c
index 7da1ad03acb5..d1d3796773aa 100644
--- a/drivers/video/console/sticore.c
+++ b/drivers/video/console/sticore.c
@@ -281,7 +281,7 @@ static void sti_rom_copy(unsigned long base, unsigned long count, void *dest)
static char default_sti_path[21] __read_mostly;
#ifndef MODULE
-static int sti_setup(char *str)
+static int __init sti_setup(char *str)
{
if (str)
strlcpy (default_sti_path, str, sizeof (default_sti_path));
@@ -941,7 +941,7 @@ static void sticore_check_for_default_sti(struct sti_struct *sti, char *path)
* in the additional address field addr[1] while on
* older Systems the PDC stores it in page0->proc_sti
*/
-static int sticore_pa_init(struct parisc_device *dev)
+static int __init sticore_pa_init(struct parisc_device *dev)
{
char pa_path[21];
struct sti_struct *sti = NULL;
@@ -1009,7 +1009,7 @@ static int sticore_pci_init(struct pci_dev *pd, const struct pci_device_id *ent)
}
-static void sticore_pci_remove(struct pci_dev *pd)
+static void __exit sticore_pci_remove(struct pci_dev *pd)
{
BUG();
}
@@ -1029,7 +1029,7 @@ static struct pci_driver pci_sti_driver = {
.name = "sti",
.id_table = sti_pci_tbl,
.probe = sticore_pci_init,
- .remove = sticore_pci_remove,
+ .remove = __exit_p(sticore_pci_remove),
};
static struct parisc_device_id sti_pa_tbl[] = {
@@ -1037,8 +1037,9 @@ static struct parisc_device_id sti_pa_tbl[] = {
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 },
{ 0, }
};
+MODULE_DEVICE_TABLE(parisc, sti_pa_tbl);
-static struct parisc_driver pa_sti_driver = {
+static struct parisc_driver pa_sti_driver __refdata = {
.name = "sti",
.id_table = sti_pa_tbl,
.probe = sticore_pa_init,
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index 37f69c061210..487d5e336e1b 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -69,7 +69,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy
{
struct fb_info *info = file->private_data;
struct inode *inode = file_inode(file);
- int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ int err = file_write_and_wait_range(file, start, end);
if (err)
return err;
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index 1e784adb89b1..3a010641f630 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -149,6 +149,10 @@ ATTRIBUTE_GROUPS(efifb);
static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */
+static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */
+static struct resource *bar_resource;
+static u64 bar_offset;
+
static int efifb_probe(struct platform_device *dev)
{
struct fb_info *info;
@@ -203,6 +207,13 @@ static int efifb_probe(struct platform_device *dev)
efifb_fix.smem_start |= ext_lfb_base;
}
+ if (bar_resource &&
+ bar_resource->start + bar_offset != efifb_fix.smem_start) {
+ dev_info(&efifb_pci_dev->dev,
+ "BAR has moved, updating efifb address\n");
+ efifb_fix.smem_start = bar_resource->start + bar_offset;
+ }
+
efifb_defined.bits_per_pixel = screen_info.lfb_depth;
efifb_defined.xres = screen_info.lfb_width;
efifb_defined.yres = screen_info.lfb_height;
@@ -370,15 +381,13 @@ static struct platform_driver efifb_driver = {
builtin_platform_driver(efifb_driver);
-#if defined(CONFIG_PCI) && !defined(CONFIG_X86)
-
-static bool pci_bar_found; /* did we find a BAR matching the efifb base? */
+#if defined(CONFIG_PCI)
-static void claim_efifb_bar(struct pci_dev *dev, int idx)
+static void record_efifb_bar_resource(struct pci_dev *dev, int idx, u64 offset)
{
u16 word;
- pci_bar_found = true;
+ efifb_pci_dev = dev;
pci_read_config_word(dev, PCI_COMMAND, &word);
if (!(word & PCI_COMMAND_MEMORY)) {
@@ -389,12 +398,8 @@ static void claim_efifb_bar(struct pci_dev *dev, int idx)
return;
}
- if (pci_claim_resource(dev, idx)) {
- pci_dev_disabled = true;
- dev_err(&dev->dev,
- "BAR %d: failed to claim resource for efifb!\n", idx);
- return;
- }
+ bar_resource = &dev->resource[idx];
+ bar_offset = offset;
dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx);
}
@@ -405,7 +410,7 @@ static void efifb_fixup_resources(struct pci_dev *dev)
u64 size = screen_info.lfb_size;
int i;
- if (pci_bar_found || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
+ if (efifb_pci_dev || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
return;
if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE)
@@ -421,7 +426,7 @@ static void efifb_fixup_resources(struct pci_dev *dev)
continue;
if (res->start <= base && res->end >= base + size - 1) {
- claim_efifb_bar(dev, i);
+ record_efifb_bar_resource(dev, i, base - res->start);
break;
}
}
diff --git a/drivers/video/fbdev/omap/lcd_h3.c b/drivers/video/fbdev/omap/lcd_h3.c
index 9d2da146813e..796f4634c4c6 100644
--- a/drivers/video/fbdev/omap/lcd_h3.c
+++ b/drivers/video/fbdev/omap/lcd_h3.c
@@ -21,7 +21,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/i2c/tps65010.h>
+#include <linux/mfd/tps65010.h>
#include <linux/gpio.h>
#include "omapfb.h"
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index dc0e8d90d9cc..6f8c0b9fc558 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1860,19 +1860,18 @@ static int uvesafb_setup(char *options)
}
#endif /* !MODULE */
-static ssize_t show_v86d(struct device_driver *dev, char *buf)
+static ssize_t v86d_show(struct device_driver *dev, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", v86d_path);
}
-static ssize_t store_v86d(struct device_driver *dev, const char *buf,
+static ssize_t v86d_store(struct device_driver *dev, const char *buf,
size_t count)
{
strncpy(v86d_path, buf, PATH_MAX);
return count;
}
-
-static DRIVER_ATTR(v86d, S_IRUGO | S_IWUSR, show_v86d, store_v86d);
+static DRIVER_ATTR_RW(v86d);
static int uvesafb_init(void)
{
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-18 02:35:27 +0300