Merge tag 'mfd-lee-3.13-3' of git://git.linaro.org/people/ljones/mfd

mfd-lee-3.13-3

MFD patches due for v3.13 - 2nd round.

5 files changed, 38 insertions, 23 deletions

diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt
index c9332c626021..78a840d7510d 100644
--- a/Documentation/devicetree/bindings/mfd/s2mps11.txt
+++ b/Documentation/devicetree/bindings/mfd/s2mps11.txt
@@ -1,10 +1,10 @@
 
 * Samsung S2MPS11 Voltage and Current Regulator
 
-The Samsung S2MP211 is a multi-function device which includes voltage and
+The Samsung S2MPS11 is a multi-function device which includes voltage and
 current regulators, RTC, charger controller and other sub-blocks. It is
-interfaced to the host controller using a I2C interface. Each sub-block is
-addressed by the host system using different I2C slave address.
+interfaced to the host controller using an I2C interface. Each sub-block is
+addressed by the host system using different I2C slave addresses.
 
 Required properties:
 - compatible: Should be "samsung,s2mps11-pmic".
@@ -43,7 +43,8 @@ sub-node should be of the format as listed below.
 
  BUCK[2/3/4/6] supports disabling ramp delay on hardware, so explictly
  regulator-ramp-delay = <0> can be used for them to disable ramp delay.
- In absence of regulator-ramp-delay property, default ramp delay will be used.
+ In the absence of the regulator-ramp-delay property, the default ramp
+ delay will be used.
 
 NOTE: Some BUCKs share the ramp rate setting i.e. same ramp value will be set
 for a particular group of BUCKs. So provide same regulator-ramp-delay<value>.
@@ -58,10 +59,10 @@ supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number
 as per the datasheet of s2mps11.
 
         - LDOn
-                  - valid values for n are 1 to 28
+                  - valid values for n are 1 to 38
                   - Example: LDO0, LD01, LDO28
         - BUCKn
-                  - valid values for n are 1 to 9.
+                  - valid values for n are 1 to 10.
                   - Example: BUCK1, BUCK2, BUCK9
 
 Example:
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index f421586f29fb..968775da638a 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -63,7 +63,8 @@ int mfd_cell_disable(struct platform_device *pdev)
 EXPORT_SYMBOL(mfd_cell_disable);
 
 static int mfd_platform_add_cell(struct platform_device *pdev,
-                                 const struct mfd_cell *cell)
+                                 const struct mfd_cell *cell,
+                                 atomic_t *usage_count)
 {
         if (!cell)
                 return 0;
@@ -72,11 +73,12 @@ static int mfd_platform_add_cell(struct platform_device *pdev,
         if (!pdev->mfd_cell)
                 return -ENOMEM;
 
+        pdev->mfd_cell->usage_count = usage_count;
         return 0;
 }
 
 static int mfd_add_device(struct device *parent, int id,
-                          const struct mfd_cell *cell,
+                          const struct mfd_cell *cell, atomic_t *usage_count,
                           struct resource *mem_base,
                           int irq_base, struct irq_domain *domain)
 {
@@ -115,7 +117,7 @@ static int mfd_add_device(struct device *parent, int id,
                         goto fail_res;
         }
 
-        ret = mfd_platform_add_cell(pdev, cell);
+        ret = mfd_platform_add_cell(pdev, cell, usage_count);
         if (ret)
                 goto fail_res;
 
@@ -180,12 +182,12 @@ fail_alloc:
 }
 
 int mfd_add_devices(struct device *parent, int id,
-                    struct mfd_cell *cells, int n_devs,
+                    const struct mfd_cell *cells, int n_devs,
                     struct resource *mem_base,
                     int irq_base, struct irq_domain *domain)
 {
         int i;
-        int ret = 0;
+        int ret;
         atomic_t *cnts;
 
         /* initialize reference counting for all cells */
@@ -195,16 +197,19 @@ int mfd_add_devices(struct device *parent, int id,
 
         for (i = 0; i < n_devs; i++) {
                 atomic_set(&cnts[i], 0);
-                cells[i].usage_count = &cnts[i];
-                ret = mfd_add_device(parent, id, cells + i, mem_base,
+                ret = mfd_add_device(parent, id, cells + i, cnts + i, mem_base,
                                      irq_base, domain);
                 if (ret)
-                        break;
+                        goto fail;
         }
 
-        if (ret)
-                mfd_remove_devices(parent);
+        return 0;
 
+fail:
+        if (i)
+                mfd_remove_devices(parent);
+        else
+                kfree(cnts);
         return ret;
 }
 EXPORT_SYMBOL(mfd_add_devices);
@@ -259,8 +264,8 @@ int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones)
         for (i = 0; i < n_clones; i++) {
                 cell_entry.name = clones[i];
                 /* don't give up if a single call fails; just report error */
-                if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0,
-                                   NULL))
+                if (mfd_add_device(pdev->dev.parent, -1, &cell_entry,
+                                   cell_entry.usage_count, NULL, 0, NULL))
                         dev_err(dev, "failed to create platform device '%s'\n",
                                         clones[i]);
         }
diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index a6841f77aa5e..484fe66e6c88 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -171,11 +171,12 @@ static int pm8921_remove(struct platform_device *pdev)
         drvdata = platform_get_drvdata(pdev);
         if (drvdata)
                 pmic = drvdata->pm_chip_data;
-        if (pmic)
+        if (pmic) {
                 mfd_remove_devices(pmic->dev);
-        if (pmic->irq_chip) {
-                pm8xxx_irq_exit(pmic->irq_chip);
-                pmic->irq_chip = NULL;
+                if (pmic->irq_chip) {
+                        pm8xxx_irq_exit(pmic->irq_chip);
+                        pmic->irq_chip = NULL;
+                }
         }
 
         return 0;
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index c5c116a7b5ff..bf8b3b5ad1fe 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -243,6 +243,12 @@ int wm5110_patch(struct arizona *arizona)
 EXPORT_SYMBOL_GPL(wm5110_patch);
 
 static const struct regmap_irq wm5110_aod_irqs[ARIZONA_NUM_IRQ] = {
+        [ARIZONA_IRQ_MICD_CLAMP_FALL] = {
+                .mask = ARIZONA_MICD_CLAMP_FALL_EINT1
+        },
+        [ARIZONA_IRQ_MICD_CLAMP_RISE] = {
+                .mask = ARIZONA_MICD_CLAMP_RISE_EINT1
+        },
         [ARIZONA_IRQ_GP5_FALL] = { .mask = ARIZONA_GP5_FALL_EINT1 },
         [ARIZONA_IRQ_GP5_RISE] = { .mask = ARIZONA_GP5_RISE_EINT1 },
         [ARIZONA_IRQ_JD_FALL] = { .mask = ARIZONA_JD1_FALL_EINT1 },
@@ -505,6 +511,7 @@ static const struct reg_default wm5110_reg_default[] = {
         { 0x00000293, 0x0000 },    /* R659   - Accessory Detect Mode 1 */
         { 0x0000029B, 0x0020 },    /* R667   - Headphone Detect 1 */
         { 0x0000029C, 0x0000 },    /* R668   - Headphone Detect 2 */
+        { 0x000002A2, 0x0000 },    /* R674   - Micd clamp control */
         { 0x000002A3, 0x1102 },    /* R675   - Mic Detect 1 */
         { 0x000002A4, 0x009F },    /* R676   - Mic Detect 2 */
         { 0x000002A5, 0x0000 },    /* R677   - Mic Detect 3 */
@@ -1439,6 +1446,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
         case ARIZONA_ACCESSORY_DETECT_MODE_1:
         case ARIZONA_HEADPHONE_DETECT_1:
         case ARIZONA_HEADPHONE_DETECT_2:
+        case ARIZONA_MICD_CLAMP_CONTROL:
         case ARIZONA_MIC_DETECT_1:
         case ARIZONA_MIC_DETECT_2:
         case ARIZONA_MIC_DETECT_3:
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index cebe97ee98b8..60ced604664f 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -98,7 +98,7 @@ static inline const struct mfd_cell *mfd_get_cell(struct platform_device *pdev)
 }
 
 extern int mfd_add_devices(struct device *parent, int id,
-                           struct mfd_cell *cells, int n_devs,
+                           const struct mfd_cell *cells, int n_devs,
                            struct resource *mem_base,
                            int irq_base, struct irq_domain *irq_domain);