memstick: fix MSProHG 8-bit interface mode support

[pandora-kernel.git] / drivers / memstick / core / memstick.c

diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 7162f77..cea4690 100644 (file)
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -185,7 +185,7 @@ static void memstick_free(struct device *dev)
 }
 
 static struct class memstick_host_class = {
-       .name       = "memstick_host",
+       .name        = "memstick_host",
        .dev_release = memstick_free
 };
 
@@ -249,8 +249,11 @@ EXPORT_SYMBOL(memstick_next_req);
  */
 void memstick_new_req(struct memstick_host *host)
 {
-       host->retries = cmd_retries;
-       host->request(host);
+       if (host->card) {
+               host->retries = cmd_retries;
+               INIT_COMPLETION(host->card->mrq_complete);
+               host->request(host);
+       }
 }
 EXPORT_SYMBOL(memstick_new_req);
 
@@ -261,7 +264,7 @@ EXPORT_SYMBOL(memstick_new_req);
  * @sg - TPC argument
  */
 void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
-                         struct scatterlist *sg)
+                         const struct scatterlist *sg)
 {
        mrq->tpc = tpc;
        if (tpc & 8)
@@ -291,7 +294,7 @@ EXPORT_SYMBOL(memstick_init_req_sg);
  * user supplied buffer.
  */
 void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
-                      void *buf, size_t length)
+                      const void *buf, size_t length)
 {
        mrq->tpc = tpc;
        if (tpc & 8)
@@ -436,7 +439,7 @@ static void memstick_check(struct work_struct *work)
        if (!host->card) {
                if (memstick_power_on(host))
                        goto out_power_off;
-       } else
+       } else if (host->card->stop)
                host->card->stop(host->card);
 
        card = memstick_alloc_card(host);
@@ -455,7 +458,7 @@ static void memstick_check(struct work_struct *work)
                            || !(host->card->check(host->card))) {
                                device_unregister(&host->card->dev);
                                host->card = NULL;
-                       } else
+                       } else if (host->card->start)
                                host->card->start(host->card);
                }