[PATCH] pcmcia: remove unused p_dev->state flags

Remove the unused DEV_RELEASE_PENDING flag, and move the DEV_SUSPEND flag
into the p_dev structure, and make use of it at the core level.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

drivers/net/wireless/atmel_cs.c

@@ -220,7 +220,7 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 static int card_present(void *arg)
 { 
 	struct pcmcia_device *link = (struct pcmcia_device *)arg;
-	if (link->state & DEV_SUSPEND)
+	if (link->suspended)
 		return 0;
 	else if (link->state & DEV_PRESENT)
 		return 1;

drivers/net/wireless/ray_cs.c

@@ -1968,7 +1968,7 @@ static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
     local = (ray_dev_t *)dev->priv;
     link = (struct pcmcia_device *)local->finder;
-    if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) {
+    if ( ! (link->state & DEV_PRESENT) || link->suspended ) {
         DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
         return IRQ_NONE;
     }

drivers/net/wireless/wavelan_cs.c

@@ -4744,7 +4744,6 @@ static int wavelan_resume(struct pcmcia_device *link)
 {
 	struct net_device *	dev = (struct net_device *) link->priv;
 
-	link->state &= ~DEV_SUSPEND;
 	if ((link->state & DEV_CONFIG) && (link->open))	{
 		wv_hw_reset(dev);
 		netif_device_attach(dev);

drivers/pcmcia/ds.c

@@ -945,7 +945,7 @@ static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
 
-	if (p_dev->dev.power.power_state.event != PM_EVENT_ON)
+	if (p_dev->suspended)
 		return sprintf(buf, "off\n");
 	else
 		return sprintf(buf, "on\n");
@@ -960,11 +960,9 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute
         if (!count)
                 return -EINVAL;
 
-	if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) &&
-	    (!strncmp(buf, "off", 3)))
+	if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
 		ret = dpm_runtime_suspend(dev, PMSG_SUSPEND);
-	else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) &&
-		 (!strncmp(buf, "on", 2)))
+	else if (p_dev->suspended && !strncmp(buf, "on", 2))
 		dpm_runtime_resume(dev);
 
 	return ret ? ret : count;
@@ -1030,7 +1028,7 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
 	struct pcmcia_driver *p_drv = NULL;
-	int ret;
+	int ret = 0;
 
 	if (dev->driver)
 		p_drv = to_pcmcia_drv(dev->driver);
@@ -1038,14 +1036,16 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
 	if (p_drv && p_drv->suspend) {
 		ret = p_drv->suspend(p_dev);
 		if (ret)
-			return ret;
-		p_dev->state |= DEV_SUSPEND;
-			if ((p_dev->state & DEV_CONFIG) &&
-			    !(p_dev->state & DEV_SUSPEND_NORELEASE))
-				pcmcia_release_configuration(p_dev);
+			goto out;
+		if ((p_dev->state & DEV_CONFIG) &&
+		    !(p_dev->state & DEV_SUSPEND_NORELEASE))
+			pcmcia_release_configuration(p_dev);
 	}
 
-	return 0;
+ out:
+	if (!ret)
+		p_dev->suspended = 1;
+	return ret;
 }
 
 
@@ -1053,24 +1053,26 @@ static int pcmcia_dev_resume(struct device * dev)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
         struct pcmcia_driver *p_drv = NULL;
-	int ret;
+	int ret = 0;
 
 	if (dev->driver)
 		p_drv = to_pcmcia_drv(dev->driver);
 
 	if (p_drv && p_drv->resume) {
-		p_dev->state &= ~DEV_SUSPEND;
-			if ((p_dev->state & DEV_CONFIG) &&
-			    !(p_dev->state & DEV_SUSPEND_NORELEASE)){
-				ret = pcmcia_request_configuration(p_dev,
-						 &p_dev->conf);
-				if (ret)
-					return ret;
-			}
-		return p_drv->resume(p_dev);
+		if ((p_dev->state & DEV_CONFIG) &&
+		    !(p_dev->state & DEV_SUSPEND_NORELEASE)){
+			ret = pcmcia_request_configuration(p_dev,
+							   &p_dev->conf);
+			if (ret)
+				goto out;
+		}
+		ret = p_drv->resume(p_dev);
 	}
 
-	return 0;
+ out:
+	if (!ret)
+		p_dev->suspended = 0;
+	return ret;
 }
 
 

drivers/telephony/ixj_pcmcia.c

@@ -60,7 +60,6 @@ static void ixj_detach(struct pcmcia_device *link)
 {
 	DEBUG(0, "ixj_detach(0x%p)\n", link);
 
-	link->state &= ~DEV_RELEASE_PENDING;
 	if (link->state & DEV_CONFIG)
 		ixj_cs_release(link);
 

include/pcmcia/ds.h

@@ -108,8 +108,6 @@ typedef struct dev_node_t {
 #define DEV_CONFIG		0x02
 #define DEV_SUSPEND_NORELEASE	0x04
 #define DEV_CONFIG_PENDING	0x10
-#define DEV_RELEASE_PENDING	0x20
-#define DEV_SUSPEND		0x40
 #define DEV_BUSY		0x80
 
 #define DEV_OK(l) \
@@ -163,13 +161,15 @@ struct pcmcia_device {
 
 	u_int			p_state;
 
+	u8			suspended:1;
+	u8			reserved:3;
+
 	/* information about this device */
 	u8			has_manf_id:1;
 	u8			has_card_id:1;
 	u8			has_func_id:1;
 
 	u8			allow_func_id_match:1;
-	u8			reserved:4;
 
 	u8			func_id;
 	u16			manf_id;