summaryrefslogtreecommitdiffstats
path: root/drivers/mfd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/Kconfig3
-rw-r--r--drivers/mfd/da903x.c2
-rw-r--r--drivers/mfd/htc-pasic3.c169
-rw-r--r--drivers/mfd/mcp-core.c2
-rw-r--r--drivers/mfd/pcf50633-core.c1
-rw-r--r--drivers/mfd/t7l66xb.c4
-rw-r--r--drivers/mfd/tc6393xb.c2
-rw-r--r--drivers/mfd/twl4030-core.c2
-rw-r--r--drivers/mfd/twl4030-irq.c2
-rw-r--r--drivers/mfd/ucb1x00-core.c2
-rw-r--r--drivers/mfd/wm8350-core.c44
11 files changed, 110 insertions, 123 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 06a2b0f7737c..ee3927ab11e0 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -52,6 +52,7 @@ config HTC_EGPIO
config HTC_PASIC3
tristate "HTC PASIC3 LED/DS1WM chip support"
+ select MFD_CORE
help
This core driver provides register access for the LED/DS1WM
chips labeled "AIC2" and "AIC3", found on HTC Blueangel and
@@ -88,7 +89,7 @@ config MENELAUS
help
If you say yes here you get support for the Texas Instruments
TWL92330/Menelaus Power Management chip. This include voltage
- regulators, Dual slot memory card tranceivers, real-time clock
+ regulators, Dual slot memory card transceivers, real-time clock
and other features that are often used in portable devices like
cell phones and PDAs.
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
index 99f8dcfe3d98..7283d88656af 100644
--- a/drivers/mfd/da903x.c
+++ b/drivers/mfd/da903x.c
@@ -413,7 +413,7 @@ static void da903x_irq_work(struct work_struct *work)
enable_irq(chip->client->irq);
}
-static int da903x_irq_handler(int irq, void *data)
+static irqreturn_t da903x_irq_handler(int irq, void *data)
{
struct da903x_chip *chip = data;
diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c
index 91b294dcc133..386da1566fcc 100644
--- a/drivers/mfd/htc-pasic3.c
+++ b/drivers/mfd/htc-pasic3.c
@@ -12,18 +12,17 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/ds1wm.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/ds1wm.h>
#include <linux/mfd/htc-pasic3.h>
struct pasic3_data {
void __iomem *mapping;
unsigned int bus_shift;
- struct platform_device *ds1wm_pdev;
- struct platform_device *led_pdev;
};
#define REG_ADDR 5
@@ -65,46 +64,15 @@ EXPORT_SYMBOL(pasic3_read_register); /* for leds-pasic3 */
* LEDs
*/
-static int led_device_add(struct device *pasic3_dev,
- const struct pasic3_leds_machinfo *pdata)
-{
- struct pasic3_data *asic = pasic3_dev->driver_data;
- struct platform_device *pdev;
- int ret;
-
- pdev = platform_device_alloc("pasic3-led", -1);
- if (!pdev) {
- dev_dbg(pasic3_dev, "failed to allocate LED platform device\n");
- return -ENOMEM;
- }
-
- ret = platform_device_add_data(pdev, pdata,
- sizeof(struct pasic3_leds_machinfo));
- if (ret < 0) {
- dev_dbg(pasic3_dev, "failed to add LED platform data\n");
- goto exit_pdev_put;
- }
-
- pdev->dev.parent = pasic3_dev;
- ret = platform_device_add(pdev);
- if (ret < 0) {
- dev_dbg(pasic3_dev, "failed to add LED platform device\n");
- goto exit_pdev_put;
- }
-
- asic->led_pdev = pdev;
- return 0;
-
-exit_pdev_put:
- platform_device_put(pdev);
- return ret;
-}
+static struct mfd_cell led_cell __initdata = {
+ .name = "leds-pasic3",
+};
/*
* DS1WM
*/
-static void ds1wm_enable(struct platform_device *pdev)
+static int ds1wm_enable(struct platform_device *pdev)
{
struct device *dev = pdev->dev.parent;
int c;
@@ -113,9 +81,10 @@ static void ds1wm_enable(struct platform_device *pdev)
pasic3_write_register(dev, 0x28, c & 0x7f);
dev_dbg(dev, "DS1WM OWM_EN low (active) %02x\n", c & 0x7f);
+ return 0;
}
-static void ds1wm_disable(struct platform_device *pdev)
+static int ds1wm_disable(struct platform_device *pdev)
{
struct device *dev = pdev->dev.parent;
int c;
@@ -124,56 +93,33 @@ static void ds1wm_disable(struct platform_device *pdev)
pasic3_write_register(dev, 0x28, c | 0x80);
dev_dbg(dev, "DS1WM OWM_EN high (inactive) %02x\n", c | 0x80);
+ return 0;
}
-static struct ds1wm_platform_data ds1wm_pdata = {
- .bus_shift = 2,
- .enable = ds1wm_enable,
- .disable = ds1wm_disable,
+static struct ds1wm_driver_data ds1wm_pdata = {
+ .active_high = 0,
};
-static int ds1wm_device_add(struct platform_device *pasic3_pdev, int bus_shift)
-{
- struct device *pasic3_dev = &pasic3_pdev->dev;
- struct pasic3_data *asic = pasic3_dev->driver_data;
- struct platform_device *pdev;
- int ret;
-
- pdev = platform_device_alloc("ds1wm", -1);
- if (!pdev) {
- dev_dbg(pasic3_dev, "failed to allocate DS1WM platform device\n");
- return -ENOMEM;
- }
-
- ret = platform_device_add_resources(pdev, pasic3_pdev->resource,
- pasic3_pdev->num_resources);
- if (ret < 0) {
- dev_dbg(pasic3_dev, "failed to add DS1WM resources\n");
- goto exit_pdev_put;
- }
-
- ds1wm_pdata.bus_shift = asic->bus_shift;
- ret = platform_device_add_data(pdev, &ds1wm_pdata,
- sizeof(struct ds1wm_platform_data));
- if (ret < 0) {
- dev_dbg(pasic3_dev, "failed to add DS1WM platform data\n");
- goto exit_pdev_put;
- }
-
- pdev->dev.parent = pasic3_dev;
- ret = platform_device_add(pdev);
- if (ret < 0) {
- dev_dbg(pasic3_dev, "failed to add DS1WM platform device\n");
- goto exit_pdev_put;
- }
-
- asic->ds1wm_pdev = pdev;
- return 0;
+static struct resource ds1wm_resources[] __initdata = {
+ [0] = {
+ .start = 0,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
-exit_pdev_put:
- platform_device_put(pdev);
- return ret;
-}
+static struct mfd_cell ds1wm_cell __initdata = {
+ .name = "ds1wm",
+ .enable = ds1wm_enable,
+ .disable = ds1wm_disable,
+ .driver_data = &ds1wm_pdata,
+ .num_resources = 2,
+ .resources = ds1wm_resources,
+};
static int __init pasic3_probe(struct platform_device *pdev)
{
@@ -182,12 +128,27 @@ static int __init pasic3_probe(struct platform_device *pdev)
struct pasic3_data *asic;
struct resource *r;
int ret;
+ int irq = 0;
+
+ r = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (r) {
+ ds1wm_resources[1].flags = IORESOURCE_IRQ | (r->flags &
+ (IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE));
+ irq = r->start;
+ }
+
+ r = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (r) {
+ ds1wm_resources[1].flags = IORESOURCE_IRQ | (r->flags &
+ (IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE));
+ irq = r->start;
+ }
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r)
return -ENXIO;
- if (!request_mem_region(r->start, r->end - r->start + 1, "pasic3"))
+ if (!request_mem_region(r->start, resource_size(r), "pasic3"))
return -EBUSY;
asic = kzalloc(sizeof(struct pasic3_data), GFP_KERNEL);
@@ -196,24 +157,33 @@ static int __init pasic3_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, asic);
- if (pdata && pdata->bus_shift)
- asic->bus_shift = pdata->bus_shift;
- else
- asic->bus_shift = 2;
-
- asic->mapping = ioremap(r->start, r->end - r->start + 1);
+ asic->mapping = ioremap(r->start, resource_size(r));
if (!asic->mapping) {
dev_err(dev, "couldn't ioremap PASIC3\n");
kfree(asic);
return -ENOMEM;
}
- ret = ds1wm_device_add(pdev, asic->bus_shift);
- if (ret < 0)
- dev_warn(dev, "failed to register DS1WM\n");
+ /* calculate bus shift from mem resource */
+ asic->bus_shift = (resource_size(r) - 5) >> 3;
+
+ if (pdata && pdata->clock_rate) {
+ ds1wm_pdata.clock_rate = pdata->clock_rate;
+ /* the first 5 PASIC3 registers control the DS1WM */
+ ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
+ ds1wm_cell.platform_data = &ds1wm_cell;
+ ds1wm_cell.data_size = sizeof(ds1wm_cell);
+ ret = mfd_add_devices(&pdev->dev, pdev->id,
+ &ds1wm_cell, 1, r, irq);
+ if (ret < 0)
+ dev_warn(dev, "failed to register DS1WM\n");
+ }
- if (pdata->led_pdata) {
- ret = led_device_add(dev, pdata->led_pdata);
+ if (pdata && pdata->led_pdata) {
+ led_cell.driver_data = pdata->led_pdata;
+ led_cell.platform_data = &led_cell;
+ led_cell.data_size = sizeof(ds1wm_cell);
+ ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r, 0);
if (ret < 0)
dev_warn(dev, "failed to register LED device\n");
}
@@ -226,14 +196,11 @@ static int pasic3_remove(struct platform_device *pdev)
struct pasic3_data *asic = platform_get_drvdata(pdev);
struct resource *r;
- if (asic->led_pdev)
- platform_device_unregister(asic->led_pdev);
- if (asic->ds1wm_pdev)
- platform_device_unregister(asic->ds1wm_pdev);
+ mfd_remove_devices(&pdev->dev);
iounmap(asic->mapping);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));
kfree(asic);
return 0;
}
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 6063dc2b52e8..57271cb3b316 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -214,7 +214,7 @@ EXPORT_SYMBOL(mcp_host_alloc);
int mcp_host_register(struct mcp *mcp)
{
- strcpy(mcp->attached_device.bus_id, "mcp0");
+ dev_set_name(&mcp->attached_device, "mcp0");
return device_register(&mcp->attached_device);
}
EXPORT_SYMBOL(mcp_host_register);
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 2e36057659e1..7793932a513b 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -15,7 +15,6 @@
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/sysfs.h>
-#include <linux/device.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/interrupt.h>
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 9f7024c0f8ec..e9f4323dd2cb 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -108,7 +108,7 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
/*--------------------------------------------------------------------------*/
-const static struct resource t7l66xb_mmc_resources[] = {
+static const struct resource t7l66xb_mmc_resources[] = {
{
.start = 0x800,
.end = 0x9ff,
@@ -126,7 +126,7 @@ const static struct resource t7l66xb_mmc_resources[] = {
},
};
-const static struct resource t7l66xb_nand_resources[] = {
+static const struct resource t7l66xb_nand_resources[] = {
{
.start = 0xc00,
.end = 0xc07,
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index f856e9463a9f..77a12fc8045e 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -172,7 +172,7 @@ static struct resource __devinitdata tc6393xb_mmc_resources[] = {
},
};
-const static struct resource tc6393xb_ohci_resources[] = {
+static const struct resource tc6393xb_ohci_resources[] = {
{
.start = 0x3000,
.end = 0x31ff,
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index 68826f1e36bc..ec90e953adce 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -592,11 +592,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
/* maybe add LDOs that are omitted on cost-reduced parts */
if (twl_has_regulator() && !(features & TPS_SUBSET)) {
- /*
child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);
if (IS_ERR(child))
return PTR_ERR(child);
- */
child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2);
if (IS_ERR(child))
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index b10876036983..aca2670afd78 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -182,7 +182,7 @@ static int twl4030_irq_thread(void *data)
long irq = (long)data;
struct irq_desc *desc = irq_to_desc(irq);
static unsigned i2c_errors;
- const static unsigned max_i2c_errors = 100;
+ static const unsigned max_i2c_errors = 100;
if (!desc) {
pr_err("twl4030: Invalid IRQ: %ld\n", irq);
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 6860c924f364..fea9085fe52c 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -492,7 +492,7 @@ static int ucb1x00_probe(struct mcp *mcp)
ucb->dev.class = &ucb1x00_class;
ucb->dev.parent = &mcp->attached_device;
- strlcpy(ucb->dev.bus_id, "ucb1x00", sizeof(ucb->dev.bus_id));
+ dev_set_name(&ucb->dev, "ucb1x00");
spin_lock_init(&ucb->lock);
spin_lock_init(&ucb->io_lock);
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 84d5ea1ec171..c2be3088e2e1 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1111,7 +1111,7 @@ int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
do {
schedule_timeout_interruptible(1);
reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
- } while (--tries && (reg & WM8350_AUXADC_POLL));
+ } while ((reg & WM8350_AUXADC_POLL) && --tries);
if (!tries)
dev_err(wm8350->dev, "adc chn %d read timeout\n", channel);
@@ -1238,7 +1238,7 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
}
wm8350->reg_cache =
- kzalloc(sizeof(u16) * (WM8350_MAX_REGISTER + 1), GFP_KERNEL);
+ kmalloc(sizeof(u16) * (WM8350_MAX_REGISTER + 1), GFP_KERNEL);
if (wm8350->reg_cache == NULL)
return -ENOMEM;
@@ -1246,17 +1246,20 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
* a PMIC so the device many not be in a virgin state and we
* can't rely on the silicon values.
*/
+ ret = wm8350->read_dev(wm8350, 0,
+ sizeof(u16) * (WM8350_MAX_REGISTER + 1),
+ wm8350->reg_cache);
+ if (ret < 0) {
+ dev_err(wm8350->dev,
+ "failed to read initial cache values\n");
+ goto out;
+ }
+
+ /* Mask out uncacheable/unreadable bits and the audio. */
for (i = 0; i < WM8350_MAX_REGISTER; i++) {
- /* audio register range */
if (wm8350_reg_io_map[i].readable &&
(i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) {
- ret = wm8350->read_dev(wm8350, i, 2, (char *)&value);
- if (ret < 0) {
- dev_err(wm8350->dev,
- "failed to read initial cache value\n");
- goto out;
- }
- value = be16_to_cpu(value);
+ value = be16_to_cpu(wm8350->reg_cache[i]);
value &= wm8350_reg_io_map[i].readable;
value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;
@@ -1383,6 +1386,11 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
wm8350->power.rev_g_coeff = 1;
break;
+ case 1:
+ dev_info(wm8350->dev, "WM8351 Rev B\n");
+ wm8350->power.rev_g_coeff = 1;
+ break;
+
default:
dev_err(wm8350->dev, "Unknown WM8351 CHIP_REV\n");
ret = -ENODEV;
@@ -1430,7 +1438,21 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
mutex_init(&wm8350->irq_mutex);
INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
if (irq) {
- ret = request_irq(irq, wm8350_irq, 0,
+ int flags = 0;
+
+ if (pdata && pdata->irq_high) {
+ flags |= IRQF_TRIGGER_HIGH;
+
+ wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
+ WM8350_IRQ_POL);
+ } else {
+ flags |= IRQF_TRIGGER_LOW;
+
+ wm8350_clear_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
+ WM8350_IRQ_POL);
+ }
+
+ ret = request_irq(irq, wm8350_irq, flags,
"wm8350", wm8350);
if (ret != 0) {
dev_err(wm8350->dev, "Failed to request IRQ: %d\n",