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-rw-r--r--drivers/mfd/ab8500-core.c27
-rw-r--r--drivers/mfd/arizona-core.c4
-rw-r--r--drivers/mfd/db8500-prcmu.c34
-rw-r--r--drivers/mfd/wm5102-tables.c21
4 files changed, 40 insertions, 46 deletions
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index aaff683cd37..a8ee4a36a1d 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -592,7 +592,7 @@ static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
/* If ->irq_base is zero this will give a linear mapping */
ab8500->domain = irq_domain_add_simple(NULL,
- num_irqs, ab8500->irq_base,
+ num_irqs, 0,
&ab8500_irq_ops, ab8500);
if (!ab8500->domain) {
@@ -1583,14 +1583,13 @@ static int ab8500_probe(struct platform_device *pdev)
if (!ab8500)
return -ENOMEM;
- if (plat)
- ab8500->irq_base = plat->irq_base;
-
ab8500->dev = &pdev->dev;
resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!resource)
+ if (!resource) {
+ dev_err(&pdev->dev, "no IRQ resource\n");
return -ENODEV;
+ }
ab8500->irq = resource->start;
@@ -1612,8 +1611,10 @@ static int ab8500_probe(struct platform_device *pdev)
else {
ret = get_register_interruptible(ab8500, AB8500_MISC,
AB8500_IC_NAME_REG, &value);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(&pdev->dev, "could not probe HW\n");
return ret;
+ }
ab8500->version = value;
}
@@ -1759,30 +1760,30 @@ static int ab8500_probe(struct platform_device *pdev)
if (is_ab9540(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
ARRAY_SIZE(ab9540_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
else if (is_ab8540(ab8500)) {
ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
ARRAY_SIZE(ab8540_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
if (ret)
return ret;
if (is_ab8540_1p2_or_earlier(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
ARRAY_SIZE(ab8540_cut1_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
else /* ab8540 >= cut2 */
ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
ARRAY_SIZE(ab8540_cut2_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
} else if (is_ab8505(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
ARRAY_SIZE(ab8505_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
else
ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
ARRAY_SIZE(ab8500_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
if (ret)
return ret;
@@ -1790,7 +1791,7 @@ static int ab8500_probe(struct platform_device *pdev)
/* Add battery management devices */
ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
ARRAY_SIZE(ab8500_bm_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
if (ret)
dev_err(ab8500->dev, "error adding bm devices\n");
}
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index a45aab9f6bb..1c3ae57082e 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -251,8 +251,6 @@ static int arizona_apply_hardware_patch(struct arizona* arizona)
unsigned int fll, sysclk;
int ret, err;
- regcache_cache_bypass(arizona->regmap, true);
-
/* Cache existing FLL and SYSCLK settings */
ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll);
if (ret != 0) {
@@ -322,8 +320,6 @@ err_fll:
err);
}
- regcache_cache_bypass(arizona->regmap, false);
-
if (ret != 0)
return ret;
else
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index e43e6e82111..7694e0700d3 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -25,6 +25,7 @@
#include <linux/bitops.h>
#include <linux/fs.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h>
#include <linux/mfd/core.h>
@@ -2678,16 +2679,12 @@ static struct irq_domain_ops db8500_irq_ops = {
.xlate = irq_domain_xlate_twocell,
};
-static int db8500_irq_init(struct device_node *np, int irq_base)
+static int db8500_irq_init(struct device_node *np)
{
int i;
- /* In the device tree case, just take some IRQs */
- if (np)
- irq_base = 0;
-
db8500_irq_domain = irq_domain_add_simple(
- np, NUM_PRCMU_WAKEUPS, irq_base,
+ np, NUM_PRCMU_WAKEUPS, 0,
&db8500_irq_ops, NULL);
if (!db8500_irq_domain) {
@@ -3114,10 +3111,10 @@ static void db8500_prcmu_update_cpufreq(void)
}
static int db8500_prcmu_register_ab8500(struct device *parent,
- struct ab8500_platform_data *pdata,
- int irq)
+ struct ab8500_platform_data *pdata)
{
- struct resource ab8500_resource = DEFINE_RES_IRQ(irq);
+ struct device_node *np;
+ struct resource ab8500_resource;
struct mfd_cell ab8500_cell = {
.name = "ab8500-core",
.of_compatible = "stericsson,ab8500",
@@ -3128,6 +3125,20 @@ static int db8500_prcmu_register_ab8500(struct device *parent,
.num_resources = 1,
};
+ if (!parent->of_node)
+ return -ENODEV;
+
+ /* Look up the device node, sneak the IRQ out of it */
+ for_each_child_of_node(parent->of_node, np) {
+ if (of_device_is_compatible(np, ab8500_cell.of_compatible))
+ break;
+ }
+ if (!np) {
+ dev_info(parent, "could not find AB8500 node in the device tree\n");
+ return -ENODEV;
+ }
+ of_irq_to_resource_table(np, &ab8500_resource, 1);
+
return mfd_add_devices(parent, 0, &ab8500_cell, 1, NULL, 0, NULL);
}
@@ -3180,7 +3191,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
goto no_irq_return;
}
- db8500_irq_init(np, pdata->irq_base);
+ db8500_irq_init(np);
prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET);
@@ -3205,8 +3216,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
}
}
- err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata,
- pdata->ab_irq);
+ err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata);
if (err) {
mfd_remove_devices(&pdev->dev);
pr_err("prcmu: Failed to add ab8500 subdevice\n");
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index a856ac72082..070f8cfbbd7 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -81,8 +81,7 @@ static const struct reg_default wm5102_revb_patch[] = {
int wm5102_patch(struct arizona *arizona)
{
const struct reg_default *wm5102_patch;
- int ret = 0;
- int i, patch_size;
+ int patch_size;
switch (arizona->rev) {
case 0:
@@ -93,21 +92,9 @@ int wm5102_patch(struct arizona *arizona)
patch_size = ARRAY_SIZE(wm5102_revb_patch);
}
- regcache_cache_bypass(arizona->regmap, true);
-
- for (i = 0; i < patch_size; i++) {
- ret = regmap_write(arizona->regmap, wm5102_patch[i].reg,
- wm5102_patch[i].def);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to write %x = %x: %d\n",
- wm5102_patch[i].reg, wm5102_patch[i].def, ret);
- goto out;
- }
- }
-
-out:
- regcache_cache_bypass(arizona->regmap, false);
- return ret;
+ return regmap_multi_reg_write_bypassed(arizona->regmap,
+ wm5102_patch,
+ patch_size);
}
static const struct regmap_irq wm5102_aod_irqs[ARIZONA_NUM_IRQ] = {