#include <linux/crc32.h>
#include <linux/firmware.h>
#include <linux/kref.h>
+#include <linux/dma-mapping.h>
#define IN_CARD_SERVICES
#include <pcmcia/cs_types.h>
p_dev->dev.bus = &pcmcia_bus_type;
p_dev->dev.parent = s->dev.parent;
p_dev->dev.release = pcmcia_release_dev;
+ /* by default don't allow DMA */
+ p_dev->dma_mask = DMA_MASK_NONE;
+ p_dev->dev.dma_mask = &p_dev->dma_mask;
bus_id_len = sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
p_dev->devname = kmalloc(6 + bus_id_len + 1, GFP_KERNEL);
#ifdef CONFIG_HOTPLUG
-static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct pcmcia_device *p_dev;
- int i, length = 0;
+ int i;
u32 hash[4] = { 0, 0, 0, 0};
if (!dev)
hash[i] = crc32(0, p_dev->prod_id[i], strlen(p_dev->prod_id[i]));
}
- i = 0;
-
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "SOCKET_NO=%u",
- p_dev->socket->sock))
+ if (add_uevent_var(env, "SOCKET_NO=%u", p_dev->socket->sock))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVICE_NO=%02X",
- p_dev->device_no))
+ if (add_uevent_var(env, "DEVICE_NO=%02X", p_dev->device_no))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MODALIAS=pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
+ if (add_uevent_var(env, "MODALIAS=pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
"pa%08Xpb%08Xpc%08Xpd%08X",
p_dev->has_manf_id ? p_dev->manf_id : 0,
p_dev->has_card_id ? p_dev->card_id : 0,
hash[3]))
return -ENOMEM;
- envp[i] = NULL;
-
return 0;
}
#else
-static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
#endif
+/************************ runtime PM support ***************************/
+
+static int pcmcia_dev_suspend(struct device *dev, pm_message_t state);
+static int pcmcia_dev_resume(struct device *dev);
+
+static int runtime_suspend(struct device *dev)
+{
+ int rc;
+
+ down(&dev->sem);
+ rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND);
+ up(&dev->sem);
+ if (!rc)
+ dev->power.power_state.event = PM_EVENT_SUSPEND;
+ return rc;
+}
+
+static void runtime_resume(struct device *dev)
+{
+ int rc;
+
+ down(&dev->sem);
+ rc = pcmcia_dev_resume(dev);
+ up(&dev->sem);
+ if (!rc)
+ dev->power.power_state.event = PM_EVENT_ON;
+}
+
/************************ per-device sysfs output ***************************/
#define pcmcia_device_attr(field, test, format) \
return -EINVAL;
if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
- ret = dpm_runtime_suspend(dev, PMSG_SUSPEND);
+ ret = runtime_suspend(dev);
else if (p_dev->suspended && !strncmp(buf, "on", 2))
- dpm_runtime_resume(dev);
+ runtime_resume(dev);
return ret ? ret : count;
}
struct pcmcia_socket *skt = _data;
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
- if (p_dev->socket != skt)
+ if (p_dev->socket != skt || p_dev->suspended)
return 0;
- return dpm_runtime_suspend(dev, PMSG_SUSPEND);
+ return runtime_suspend(dev);
}
static int pcmcia_bus_resume_callback(struct device *dev, void * _data)
struct pcmcia_socket *skt = _data;
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
- if (p_dev->socket != skt)
+ if (p_dev->socket != skt || !p_dev->suspended)
return 0;
- dpm_runtime_resume(dev);
+ runtime_resume(dev);
return 0;
}