MFD: mcp/ucb1x00: separate ucb1x00 driver data from the MCP data

Patch taken from 5dd7bf59e0 (ARM: sa11x0: Implement autoloading of codec
and codec pdata for mcp bus.) by Jochen Friedrich <jochen@scram.de>.

This adds just the codec data part of the patch.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

8 files changed, 24 insertions, 11 deletions

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index efa2bc132cbf..0e7359785159 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -22,6 +22,7 @@
 #include <linux/tty.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/ucb1x00.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/timer.h>
@@ -85,10 +86,14 @@ static struct scoop_pcmcia_config collie_pcmcia_config = {
         .num_devs       = 1,
 };
 
+static struct ucb1x00_plat_data collie_ucb1x00_data = {
+        .gpio_base      = COLLIE_TC35143_GPIO_BASE,
+};
+
 static struct mcp_plat_data collie_mcp_data = {
         .mccr0          = MCCR0_ADM | MCCR0_ExtClk,
         .sclk_rate      = 9216000,
-        .gpio_base      = COLLIE_TC35143_GPIO_BASE,
+        .codec_pdata    = &collie_ucb1x00_data,
 };
 
 /*
diff --git a/arch/arm/mach-sa1100/include/mach/mcp.h b/arch/arm/mach-sa1100/include/mach/mcp.h
index ed1a331508a7..4b2860ae3828 100644
--- a/arch/arm/mach-sa1100/include/mach/mcp.h
+++ b/arch/arm/mach-sa1100/include/mach/mcp.h
@@ -16,7 +16,7 @@ struct mcp_plat_data {
         u32 mccr0;
         u32 mccr1;
         unsigned int sclk_rate;
-        int gpio_base;
+        void *codec_pdata;
 };
 
 #endif
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 3aa36ec21039..81506562ee26 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -10,6 +10,7 @@
 #include <linux/string.h> 
 #include <linux/pm.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/ucb1x00.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/io.h>
@@ -187,10 +188,14 @@ static struct resource simpad_flash_resources [] = {
         }
 };
 
+static struct ucb1x00_plat_data simpad_ucb1x00_data = {
+        .gpio_base      = SIMPAD_UCB1X00_GPIO_BASE,
+};
+
 static struct mcp_plat_data simpad_mcp_data = {
         .mccr0          = MCCR0_ADM,
         .sclk_rate      = 11981000,
-        .gpio_base      = SIMPAD_UCB1X00_GPIO_BASE,
+        .codec_pdata    = &simpad_ucb1x00_data,
 };
 
 
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 280a4f8a7876..c409d6327140 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -217,8 +217,9 @@ struct mcp *mcp_host_alloc(struct device *parent, size_t size)
 }
 EXPORT_SYMBOL(mcp_host_alloc);
 
-int mcp_host_add(struct mcp *mcp)
+int mcp_host_add(struct mcp *mcp, void *pdata)
 {
+        mcp->attached_device.platform_data = pdata;
         dev_set_name(&mcp->attached_device, "mcp0");
         return device_add(&mcp->attached_device);
 }
diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 420710b19f2d..960ebc790389 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -194,7 +194,6 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
         mcp->owner              = THIS_MODULE;
         mcp->ops                = &mcp_sa11x0;
         mcp->sclk_rate          = data->sclk_rate;
-        mcp->gpio_base          = data->gpio_base;
 
         m = priv(mcp);
         m->mccr0 = data->mccr0 | 0x7f7f;
@@ -229,7 +228,7 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
         mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) /
                           mcp->sclk_rate;
 
-        ret = mcp_host_add(mcp);
+        ret = mcp_host_add(mcp, data->codec_pdata);
         if (ret == 0)
                 return 0;
 
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index f2fb4205467c..6825169b06fc 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -534,6 +534,7 @@ static int ucb1x00_probe(struct mcp *mcp)
 {
         struct ucb1x00 *ucb;
         struct ucb1x00_driver *drv;
+        struct ucb1x00_plat_data *pdata;
         unsigned int id;
         int ret = -ENODEV;
         int temp;
@@ -551,7 +552,7 @@ static int ucb1x00_probe(struct mcp *mcp)
         if (!ucb)
                 goto err_disable;
 
-
+        pdata = mcp->attached_device.platform_data;
         ucb->dev.class = &ucb1x00_class;
         ucb->dev.parent = &mcp->attached_device;
         dev_set_name(&ucb->dev, "ucb1x00");
@@ -570,9 +571,9 @@ static int ucb1x00_probe(struct mcp *mcp)
         }
 
         ucb->gpio.base = -1;
-        if (mcp->gpio_base != 0) {
+        if (pdata && pdata->gpio_base) {
                 ucb->gpio.label = dev_name(&ucb->dev);
-                ucb->gpio.base = mcp->gpio_base;
+                ucb->gpio.base = pdata->gpio_base;
                 ucb->gpio.ngpio = 10;
                 ucb->gpio.set = ucb1x00_gpio_set;
                 ucb->gpio.get = ucb1x00_gpio_get;
diff --git a/include/linux/mfd/mcp.h b/include/linux/mfd/mcp.h
index dfe7e517ad9b..bfcdf6d3f1bf 100644
--- a/include/linux/mfd/mcp.h
+++ b/include/linux/mfd/mcp.h
@@ -20,7 +20,6 @@ struct mcp {
         unsigned int    sclk_rate;
         unsigned int    rw_timeout;
         struct device   attached_device;
-        int             gpio_base;
 };
 
 struct mcp_ops {
@@ -41,7 +40,7 @@ void mcp_disable(struct mcp *);
 #define mcp_get_sclk_rate(mcp)  ((mcp)->sclk_rate)
 
 struct mcp *mcp_host_alloc(struct device *, size_t);
-int mcp_host_add(struct mcp *);
+int mcp_host_add(struct mcp *, void *);
 void mcp_host_del(struct mcp *);
 void mcp_host_free(struct mcp *);
 
diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h
index 4321f044d1e4..731b23a656c0 100644
--- a/include/linux/mfd/ucb1x00.h
+++ b/include/linux/mfd/ucb1x00.h
@@ -104,6 +104,9 @@
 #define UCB_MODE_DYN_VFLAG_ENA  (1 << 12)
 #define UCB_MODE_AUD_OFF_CAN    (1 << 13)
 
+struct ucb1x00_plat_data {
+        int                     gpio_base;
+};
 
 struct ucb1x00_irq {
         void *devid;