12 files changed, 50 insertions, 52 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
index 71a3c134af1b..f01d154090da 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
@@ -247,7 +247,6 @@ bias-bus-hold		- latch weakly
 bias-pull-up            - pull up the pin
 bias-pull-down          - pull down the pin
 bias-pull-pin-default   - use pin-default pull state
-bi-directional          - pin supports simultaneous input/output operations
 drive-push-pull         - drive actively high and low
 drive-open-drain        - drive with open drain
 drive-open-source       - drive with open source
@@ -260,7 +259,6 @@ input-debounce		- debounce mode with debound time X
 power-source            - select between different power supplies
 low-power-enable        - enable low power mode
 low-power-disable       - disable low power mode
-output-enable           - enable output on pin regardless of output value
 output-low              - set the pin to output mode with low level
 output-high             - set the pin to output mode with high level
 slew-rate               - set the slew rate
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 44c01390d035..dc269cb288c2 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name,		0444, DMI_PRODUCT_NAME);
 DEFINE_DMI_ATTR_WITH_SHOW(product_version,      0444, DMI_PRODUCT_VERSION);
 DEFINE_DMI_ATTR_WITH_SHOW(product_serial,       0400, DMI_PRODUCT_SERIAL);
 DEFINE_DMI_ATTR_WITH_SHOW(product_uuid,         0400, DMI_PRODUCT_UUID);
+DEFINE_DMI_ATTR_WITH_SHOW(product_family,       0400, DMI_PRODUCT_FAMILY);
 DEFINE_DMI_ATTR_WITH_SHOW(board_vendor,         0444, DMI_BOARD_VENDOR);
 DEFINE_DMI_ATTR_WITH_SHOW(board_name,           0444, DMI_BOARD_NAME);
 DEFINE_DMI_ATTR_WITH_SHOW(board_version,        0444, DMI_BOARD_VERSION);
@@ -191,6 +192,7 @@ static void __init dmi_id_init_attr_table(void)
         ADD_DMI_ATTR(product_version,   DMI_PRODUCT_VERSION);
         ADD_DMI_ATTR(product_serial,    DMI_PRODUCT_SERIAL);
         ADD_DMI_ATTR(product_uuid,      DMI_PRODUCT_UUID);
+        ADD_DMI_ATTR(product_family,      DMI_PRODUCT_FAMILY);
         ADD_DMI_ATTR(board_vendor,      DMI_BOARD_VENDOR);
         ADD_DMI_ATTR(board_name,        DMI_BOARD_NAME);
         ADD_DMI_ATTR(board_version,     DMI_BOARD_VERSION);
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 54be60ead08f..93f7acdaac7a 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -430,6 +430,7 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy)
                 dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
                 dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
                 dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8);
+                dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26);
                 break;
         case 2:         /* Base Board Information */
                 dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 1653cbda6a82..bd459a93b0e7 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -680,30 +680,16 @@ EXPORT_SYMBOL_GPL(pinctrl_generic_remove_group);
  * pinctrl_generic_free_groups() - removes all pin groups
  * @pctldev: pin controller device
  *
- * Note that the caller must take care of locking.
+ * Note that the caller must take care of locking. The pinctrl groups
+ * are allocated with devm_kzalloc() so no need to free them here.
  */
 static void pinctrl_generic_free_groups(struct pinctrl_dev *pctldev)
 {
         struct radix_tree_iter iter;
-        struct group_desc *group;
-        unsigned long *indices;
         void **slot;
-        int i = 0;
-
-        indices = devm_kzalloc(pctldev->dev, sizeof(*indices) *
-                               pctldev->num_groups, GFP_KERNEL);
-        if (!indices)
-                return;
 
         radix_tree_for_each_slot(slot, &pctldev->pin_group_tree, &iter, 0)
-                indices[i++] = iter.index;
-
-        for (i = 0; i < pctldev->num_groups; i++) {
-                group = radix_tree_lookup(&pctldev->pin_group_tree,
-                                          indices[i]);
-                radix_tree_delete(&pctldev->pin_group_tree, indices[i]);
-                devm_kfree(pctldev->dev, group);
-        }
+                radix_tree_delete(&pctldev->pin_group_tree, iter.index);
 
         pctldev->num_groups = 0;
 }
diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c
index 41b5b07d5a2b..6852010a6d70 100644
--- a/drivers/pinctrl/freescale/pinctrl-mxs.c
+++ b/drivers/pinctrl/freescale/pinctrl-mxs.c
@@ -194,6 +194,16 @@ static int mxs_pinctrl_get_func_groups(struct pinctrl_dev *pctldev,
         return 0;
 }
 
+static void mxs_pinctrl_rmwl(u32 value, u32 mask, u8 shift, void __iomem *reg)
+{
+        u32 tmp;
+
+        tmp = readl(reg);
+        tmp &= ~(mask << shift);
+        tmp |= value << shift;
+        writel(tmp, reg);
+}
+
 static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
                                unsigned group)
 {
@@ -211,8 +221,7 @@ static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
                 reg += bank * 0x20 + pin / 16 * 0x10;
                 shift = pin % 16 * 2;
 
-                writel(0x3 << shift, reg + CLR);
-                writel(g->muxsel[i] << shift, reg + SET);
+                mxs_pinctrl_rmwl(g->muxsel[i], 0x3, shift, reg);
         }
 
         return 0;
@@ -279,8 +288,7 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev,
                         /* mA */
                         if (config & MA_PRESENT) {
                                 shift = pin % 8 * 4;
-                                writel(0x3 << shift, reg + CLR);
-                                writel(ma << shift, reg + SET);
+                                mxs_pinctrl_rmwl(ma, 0x3, shift, reg);
                         }
 
                         /* vol */
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 2debba62fac9..20f1b4493994 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1539,15 +1539,29 @@ static void chv_gpio_irq_handler(struct irq_desc *desc)
  * is not listed below.
  */
 static const struct dmi_system_id chv_no_valid_mask[] = {
+        /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */
         {
-                /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */
-                .ident = "Acer Chromebook (CYAN)",
+                .ident = "Intel_Strago based Chromebooks (All models)",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"),
-                        DMI_MATCH(DMI_BIOS_DATE, "05/21/2016"),
+                        DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"),
                 },
-        }
+        },
+        {
+                .ident = "Acer Chromebook R11 (Cyan)",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"),
+                },
+        },
+        {
+                .ident = "Samsung Chromebook 3 (Celes)",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Celes"),
+                },
+        },
+        {}
 };
 
 static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index 0d6b7f4b82af..720a19fd38d2 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -35,7 +35,6 @@ static const struct pin_config_item conf_items[] = {
         PCONFDUMP(PIN_CONFIG_BIAS_PULL_PIN_DEFAULT,
                                 "input bias pull to pin specific state", NULL, false),
         PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", NULL, false),
-        PCONFDUMP(PIN_CONFIG_BIDIRECTIONAL, "bi-directional pin operations", NULL, false),
         PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL, false),
         PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false),
         PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false),
@@ -161,7 +160,6 @@ static const struct pinconf_generic_params dt_params[] = {
         { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 },
         { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 },
         { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 },
-        { "bi-directional", PIN_CONFIG_BIDIRECTIONAL, 1 },
         { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 },
         { "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 },
         { "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 },
@@ -174,7 +172,6 @@ static const struct pinconf_generic_params dt_params[] = {
         { "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 },
         { "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 },
         { "low-power-enable", PIN_CONFIG_LOW_POWER_MODE, 1 },
-        { "output-enable", PIN_CONFIG_OUTPUT, 1, },
         { "output-high", PIN_CONFIG_OUTPUT, 1, },
         { "output-low", PIN_CONFIG_OUTPUT, 0, },
         { "power-source", PIN_CONFIG_POWER_SOURCE, 0 },
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 9fd6d9087dc5..16b3ae5e4f44 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -826,30 +826,17 @@ EXPORT_SYMBOL_GPL(pinmux_generic_remove_function);
  * pinmux_generic_free_functions() - removes all functions
  * @pctldev: pin controller device
  *
- * Note that the caller must take care of locking.
+ * Note that the caller must take care of locking. The pinctrl
+ * functions are allocated with devm_kzalloc() so no need to free
+ * them here.
  */
 void pinmux_generic_free_functions(struct pinctrl_dev *pctldev)
 {
         struct radix_tree_iter iter;
-        struct function_desc *function;
-        unsigned long *indices;
         void **slot;
-        int i = 0;
-
-        indices = devm_kzalloc(pctldev->dev, sizeof(*indices) *
-                               pctldev->num_functions, GFP_KERNEL);
-        if (!indices)
-                return;
 
         radix_tree_for_each_slot(slot, &pctldev->pin_function_tree, &iter, 0)
-                indices[i++] = iter.index;
-
-        for (i = 0; i < pctldev->num_functions; i++) {
-                function = radix_tree_lookup(&pctldev->pin_function_tree,
-                                             indices[i]);
-                radix_tree_delete(&pctldev->pin_function_tree, indices[i]);
-                devm_kfree(pctldev->dev, function);
-        }
+                radix_tree_delete(&pctldev->pin_function_tree, iter.index);
 
         pctldev->num_functions = 0;
 }
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c
index 9aec1d2232dd..6624499eae72 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c
@@ -394,7 +394,7 @@ static const struct sunxi_desc_pin sun8i_a83t_pins[] = {
         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 18),
                   SUNXI_FUNCTION(0x0, "gpio_in"),
                   SUNXI_FUNCTION(0x1, "gpio_out"),
-                  SUNXI_FUNCTION(0x3, "owa")),          /* DOUT */
+                  SUNXI_FUNCTION(0x3, "spdif")),        /* DOUT */
         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 19),
                   SUNXI_FUNCTION(0x0, "gpio_in"),
                   SUNXI_FUNCTION(0x1, "gpio_out")),
diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h
index c0d712d22b07..f738d50cc17d 100644
--- a/include/linux/gpio/machine.h
+++ b/include/linux/gpio/machine.h
@@ -56,7 +56,14 @@ struct gpiod_lookup_table {
         .flags = _flags,                                                  \
 }
 
+#ifdef CONFIG_GPIOLIB
 void gpiod_add_lookup_table(struct gpiod_lookup_table *table);
 void gpiod_remove_lookup_table(struct gpiod_lookup_table *table);
+#else
+static inline
+void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {}
+static inline
+void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {}
+#endif
 
 #endif /* __LINUX_GPIO_MACHINE_H */
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 566fda587fcf..3f74ef2281e8 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -467,6 +467,7 @@ enum dmi_field {
         DMI_PRODUCT_VERSION,
         DMI_PRODUCT_SERIAL,
         DMI_PRODUCT_UUID,
+        DMI_PRODUCT_FAMILY,
         DMI_BOARD_VENDOR,
         DMI_BOARD_NAME,
         DMI_BOARD_VERSION,
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 279e3c5326e3..7620eb127cff 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -42,8 +42,6 @@
  * @PIN_CONFIG_BIAS_PULL_UP: the pin will be pulled up (usually with high
  *      impedance to VDD). If the argument is != 0 pull-up is enabled,
  *      if it is 0, pull-up is total, i.e. the pin is connected to VDD.
- * @PIN_CONFIG_BIDIRECTIONAL: the pin will be configured to allow simultaneous
- *      input and output operations.
  * @PIN_CONFIG_DRIVE_OPEN_DRAIN: the pin will be driven with open drain (open
  *      collector) which means it is usually wired with other output ports
  *      which are then pulled up with an external resistor. Setting this
@@ -98,7 +96,6 @@ enum pin_config_param {
         PIN_CONFIG_BIAS_PULL_DOWN,
         PIN_CONFIG_BIAS_PULL_PIN_DEFAULT,
         PIN_CONFIG_BIAS_PULL_UP,
-        PIN_CONFIG_BIDIRECTIONAL,
         PIN_CONFIG_DRIVE_OPEN_DRAIN,
         PIN_CONFIG_DRIVE_OPEN_SOURCE,
         PIN_CONFIG_DRIVE_PUSH_PULL,