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path: root/drivers/mmc/mmc.c
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Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 6f2a282e2b97..105f419d08cb 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -103,7 +103,7 @@ mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
103 mmc_hostname(host), mrq->cmd->opcode, 103 mmc_hostname(host), mrq->cmd->opcode,
104 mrq->cmd->arg, mrq->cmd->flags); 104 mrq->cmd->arg, mrq->cmd->flags);
105 105
106 WARN_ON(host->card_busy == NULL); 106 WARN_ON(!host->claimed);
107 107
108 mrq->cmd->error = 0; 108 mrq->cmd->error = 0;
109 mrq->cmd->mrq = mrq; 109 mrq->cmd->mrq = mrq;
@@ -157,7 +157,7 @@ int mmc_wait_for_cmd(struct mmc_host *host, struct mmc_command *cmd, int retries
157{ 157{
158 struct mmc_request mrq; 158 struct mmc_request mrq;
159 159
160 BUG_ON(host->card_busy == NULL); 160 BUG_ON(!host->claimed);
161 161
162 memset(&mrq, 0, sizeof(struct mmc_request)); 162 memset(&mrq, 0, sizeof(struct mmc_request));
163 163
@@ -195,7 +195,7 @@ int mmc_wait_for_app_cmd(struct mmc_host *host, unsigned int rca,
195 195
196 int i, err; 196 int i, err;
197 197
198 BUG_ON(host->card_busy == NULL); 198 BUG_ON(!host->claimed);
199 BUG_ON(retries < 0); 199 BUG_ON(retries < 0);
200 200
201 err = MMC_ERR_INVALID; 201 err = MMC_ERR_INVALID;
@@ -320,14 +320,14 @@ int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card)
320 spin_lock_irqsave(&host->lock, flags); 320 spin_lock_irqsave(&host->lock, flags);
321 while (1) { 321 while (1) {
322 set_current_state(TASK_UNINTERRUPTIBLE); 322 set_current_state(TASK_UNINTERRUPTIBLE);
323 if (host->card_busy == NULL) 323 if (!host->claimed)
324 break; 324 break;
325 spin_unlock_irqrestore(&host->lock, flags); 325 spin_unlock_irqrestore(&host->lock, flags);
326 schedule(); 326 schedule();
327 spin_lock_irqsave(&host->lock, flags); 327 spin_lock_irqsave(&host->lock, flags);
328 } 328 }
329 set_current_state(TASK_RUNNING); 329 set_current_state(TASK_RUNNING);
330 host->card_busy = card; 330 host->claimed = 1;
331 spin_unlock_irqrestore(&host->lock, flags); 331 spin_unlock_irqrestore(&host->lock, flags);
332 remove_wait_queue(&host->wq, &wait); 332 remove_wait_queue(&host->wq, &wait);
333 333
@@ -353,10 +353,10 @@ void mmc_release_host(struct mmc_host *host)
353{ 353{
354 unsigned long flags; 354 unsigned long flags;
355 355
356 BUG_ON(host->card_busy == NULL); 356 BUG_ON(!host->claimed);
357 357
358 spin_lock_irqsave(&host->lock, flags); 358 spin_lock_irqsave(&host->lock, flags);
359 host->card_busy = NULL; 359 host->claimed = 0;
360 spin_unlock_irqrestore(&host->lock, flags); 360 spin_unlock_irqrestore(&host->lock, flags);
361 361
362 wake_up(&host->wq); 362 wake_up(&host->wq);
@@ -381,7 +381,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
381 int err; 381 int err;
382 struct mmc_command cmd; 382 struct mmc_command cmd;
383 383
384 BUG_ON(host->card_busy == NULL); 384 BUG_ON(!host->claimed);
385 385
386 if (host->card_selected == card) 386 if (host->card_selected == card)
387 return MMC_ERR_NONE; 387 return MMC_ERR_NONE;