msm: mdm: change the way callbacks are passed to common code.

The common code now keeps a reference to a static struct containing
pointers to the callback functions instead of the individual function
pointers themselves. This is more in keeping with the normal way ops
are passed in the kernel.

Change-Id: I64fce3214d22071421be46cdd82654bbc6bccc1d
Signed-off-by: Joel King <joelking@codeaurora.org>
diff --git a/arch/arm/mach-msm/mdm_common.c b/arch/arm/mach-msm/mdm_common.c
index 023df69..e892d98 100644
--- a/arch/arm/mach-msm/mdm_common.c
+++ b/arch/arm/mach-msm/mdm_common.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -74,7 +74,7 @@
 	switch (cmd) {
 	case WAKE_CHARM:
 		MDM_DBG("%s: Powering on\n", __func__);
-		mdm_drv->power_on_mdm_cb(mdm_drv);
+		mdm_drv->ops->power_on_mdm_cb(mdm_drv);
 		break;
 	case CHECK_FOR_BOOT:
 		if (gpio_get_value(mdm_drv->mdm2ap_status_gpio) == 0)
@@ -91,8 +91,8 @@
 			mdm_drv->mdm_boot_status = 0;
 		mdm_drv->mdm_ready = 1;
 
-		if (mdm_drv->normal_boot_done_cb != NULL)
-			mdm_drv->normal_boot_done_cb(mdm_drv);
+		if (mdm_drv->ops->normal_boot_done_cb != NULL)
+			mdm_drv->ops->normal_boot_done_cb(mdm_drv);
 
 		if (!first_boot)
 			complete(&mdm_boot);
@@ -138,7 +138,7 @@
 {
 	int value = gpio_get_value(mdm_drv->mdm2ap_status_gpio);
 
-	mdm_drv->status_cb(value);
+	mdm_drv->ops->status_cb(value);
 
 	MDM_DBG("%s: status:%d\n", __func__, value);
 
@@ -229,13 +229,13 @@
 {
 	mdm_drv->mdm_ready = 0;
 	gpio_direction_output(mdm_drv->ap2mdm_errfatal_gpio, 1);
-	mdm_drv->power_down_mdm_cb(mdm_drv);
+	mdm_drv->ops->power_down_mdm_cb(mdm_drv);
 	return 0;
 }
 
 static int mdm_subsys_powerup(const struct subsys_data *crashed_subsys)
 {
-	mdm_drv->power_on_mdm_cb(mdm_drv);
+	mdm_drv->ops->power_on_mdm_cb(mdm_drv);
 	mdm_drv->boot_type = CHARM_NORMAL_BOOT;
 	complete(&mdm_needs_reload);
 	wait_for_completion(&mdm_boot);
@@ -254,7 +254,7 @@
 		wait_for_completion(&mdm_ram_dumps);
 		INIT_COMPLETION(mdm_ram_dumps);
 		gpio_direction_output(mdm_drv->ap2mdm_errfatal_gpio, 1);
-		mdm_drv->power_down_mdm_cb(mdm_drv);
+		mdm_drv->ops->power_down_mdm_cb(mdm_drv);
 	}
 	return mdm_drv->mdm_ram_dump_status;
 }
@@ -269,8 +269,8 @@
 static int mdm_debug_on_set(void *data, u64 val)
 {
 	mdm_debug_on = val;
-	if (mdm_drv->debug_state_changed_cb)
-		mdm_drv->debug_state_changed_cb(mdm_debug_on);
+	if (mdm_drv->ops->debug_state_changed_cb)
+		mdm_drv->ops->debug_state_changed_cb(mdm_debug_on);
 	return 0;
 }
 
@@ -298,7 +298,7 @@
 }
 
 static void mdm_modem_initialize_data(struct platform_device  *pdev,
-				struct mdm_callbacks *p_mdm_cb)
+				struct mdm_ops *mdm_ops)
 {
 	struct resource *pres;
 
@@ -352,15 +352,11 @@
 
 	mdm_drv->boot_type                  = CHARM_NORMAL_BOOT;
 
-	mdm_drv->power_on_mdm_cb            = p_mdm_cb->power_on_mdm_cb;
-	mdm_drv->power_down_mdm_cb          = p_mdm_cb->power_down_mdm_cb;
-	mdm_drv->normal_boot_done_cb        = p_mdm_cb->normal_boot_done_cb;
-	mdm_drv->debug_state_changed_cb     = p_mdm_cb->debug_state_changed_cb;
-	mdm_drv->status_cb                  = p_mdm_cb->status_cb;
+	mdm_drv->ops      = mdm_ops;
 }
 
 int mdm_common_create(struct platform_device  *pdev,
-					  struct mdm_callbacks *p_mdm_cb)
+					  struct mdm_ops *p_mdm_cb)
 {
 	int ret = -1, irq;
 
@@ -371,8 +367,8 @@
 	}
 
 	mdm_modem_initialize_data(pdev, p_mdm_cb);
-	if (mdm_drv->debug_state_changed_cb)
-		mdm_drv->debug_state_changed_cb(mdm_debug_on);
+	if (mdm_drv->ops->debug_state_changed_cb)
+		mdm_drv->ops->debug_state_changed_cb(mdm_debug_on);
 
 	gpio_request(mdm_drv->ap2mdm_status_gpio, "AP2MDM_STATUS");
 	gpio_request(mdm_drv->ap2mdm_errfatal_gpio, "AP2MDM_ERRFATAL");
@@ -504,7 +500,7 @@
 	if (mdm_drv->ap2mdm_wakeup_gpio > 0)
 		gpio_set_value(mdm_drv->ap2mdm_wakeup_gpio, 1);
 
-	mdm_drv->power_down_mdm_cb(mdm_drv);
+	mdm_drv->ops->power_down_mdm_cb(mdm_drv);
 
 	if (mdm_drv->ap2mdm_wakeup_gpio > 0)
 		gpio_set_value(mdm_drv->ap2mdm_wakeup_gpio, 0);