---

yaml
---
r: 312848
b: refs/heads/master
c: 973905f
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aa6439daddf579b93ace8b45956a416234c3854c
+refs/heads/master: 973905feab85416784f36cc94b868392fd465ef4

trunk/drivers/mmc/host/sdhci.c

@@ -250,8 +250,9 @@ static void sdhci_reinit(struct sdhci_host *host)
 	 * applicable to UHS-I cards. So reset these fields to their initial
 	 * value when card is removed.
 	 */
-	if (host->version >= SDHCI_SPEC_300 && host->tuning_count &&
-			host->tuning_mode == SDHCI_TUNING_MODE_1) {
+	if (host->flags & SDHCI_USING_RETUNING_TIMER) {
+		host->flags &= ~SDHCI_USING_RETUNING_TIMER;
+
 		del_timer_sync(&host->tuning_timer);
 		host->flags &= ~SDHCI_NEEDS_RETUNING;
 		host->mmc->max_blk_count =
@@ -1873,6 +1874,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
 	 */
 	if (!(host->flags & SDHCI_NEEDS_RETUNING) && host->tuning_count &&
 	    (host->tuning_mode == SDHCI_TUNING_MODE_1)) {
+		host->flags |= SDHCI_USING_RETUNING_TIMER;
 		mod_timer(&host->tuning_timer, jiffies +
 			host->tuning_count * HZ);
 		/* Tuning mode 1 limits the maximum data length to 4MB */
@@ -1890,10 +1892,10 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
 	 * try tuning again at a later time, when the re-tuning timer expires.
 	 * So for these controllers, we return 0. Since there might be other
 	 * controllers who do not have this capability, we return error for
-	 * them.
+	 * them. SDHCI_USING_RETUNING_TIMER means the host is currently using
+	 * a retuning timer to do the retuning for the card.
 	 */
-	if (err && host->tuning_count &&
-	    host->tuning_mode == SDHCI_TUNING_MODE_1)
+	if (err && (host->flags & SDHCI_USING_RETUNING_TIMER))
 		err = 0;
 
 	sdhci_clear_set_irqs(host, SDHCI_INT_DATA_AVAIL, ier);
@@ -2400,24 +2402,21 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
 int sdhci_suspend_host(struct sdhci_host *host)
 {
 	int ret;
-	bool has_tuning_timer;
 
 	if (host->ops->platform_suspend)
 		host->ops->platform_suspend(host);
 
 	sdhci_disable_card_detection(host);
 
 	/* Disable tuning since we are suspending */
-	has_tuning_timer = host->version >= SDHCI_SPEC_300 &&
-		host->tuning_count && host->tuning_mode == SDHCI_TUNING_MODE_1;
-	if (has_tuning_timer) {
+	if (host->flags & SDHCI_USING_RETUNING_TIMER) {
 		del_timer_sync(&host->tuning_timer);
 		host->flags &= ~SDHCI_NEEDS_RETUNING;
 	}
 
 	ret = mmc_suspend_host(host->mmc);
 	if (ret) {
-		if (has_tuning_timer) {
+		if (host->flags & SDHCI_USING_RETUNING_TIMER) {
 			host->flags |= SDHCI_NEEDS_RETUNING;
 			mod_timer(&host->tuning_timer, jiffies +
 					host->tuning_count * HZ);
@@ -2468,8 +2467,7 @@ int sdhci_resume_host(struct sdhci_host *host)
 		host->ops->platform_resume(host);
 
 	/* Set the re-tuning expiration flag */
-	if ((host->version >= SDHCI_SPEC_300) && host->tuning_count &&
-	    (host->tuning_mode == SDHCI_TUNING_MODE_1))
+	if (host->flags & SDHCI_USING_RETUNING_TIMER)
 		host->flags |= SDHCI_NEEDS_RETUNING;
 
 	return ret;
@@ -2508,8 +2506,7 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host)
 	int ret = 0;
 
 	/* Disable tuning since we are suspending */
-	if (host->version >= SDHCI_SPEC_300 &&
-	    host->tuning_mode == SDHCI_TUNING_MODE_1) {
+	if (host->flags & SDHCI_USING_RETUNING_TIMER) {
 		del_timer_sync(&host->tuning_timer);
 		host->flags &= ~SDHCI_NEEDS_RETUNING;
 	}
@@ -2550,8 +2547,7 @@ int sdhci_runtime_resume_host(struct sdhci_host *host)
 		sdhci_do_enable_preset_value(host, true);
 
 	/* Set the re-tuning expiration flag */
-	if ((host->version >= SDHCI_SPEC_300) && host->tuning_count &&
-	    (host->tuning_mode == SDHCI_TUNING_MODE_1))
+	if (host->flags & SDHCI_USING_RETUNING_TIMER)
 		host->flags |= SDHCI_NEEDS_RETUNING;
 
 	spin_lock_irqsave(&host->lock, flags);
@@ -3140,8 +3136,6 @@ void sdhci_remove_host(struct sdhci_host *host, int dead)
 	free_irq(host->irq, host);
 
 	del_timer_sync(&host->timer);
-	if (host->version >= SDHCI_SPEC_300)
-		del_timer_sync(&host->tuning_timer);
 
 	tasklet_kill(&host->card_tasklet);
 	tasklet_kill(&host->finish_tasklet);

trunk/include/linux/mmc/sdhci.h

@@ -122,6 +122,7 @@ struct sdhci_host {
 #define SDHCI_PV_ENABLED	(1<<8)	/* Preset value enabled */
 #define SDHCI_SDIO_IRQ_ENABLED	(1<<9)	/* SDIO irq enabled */
 #define SDHCI_HS200_NEEDS_TUNING (1<<10)	/* HS200 needs tuning */
+#define SDHCI_USING_RETUNING_TIMER (1<<11)	/* Host is using a retuning timer for the card */
 
 	unsigned int version;	/* SDHCI spec. version */