---

yaml --- r: 75045 b: refs/heads/master c: c734c79 h: refs/heads/master i: 75043: 98edc83 v: v3
git-mirror · Dec 18, 2007 · b7fd281 · b7fd281
1 parent 3d14daa
commit b7fd281
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Showing 6 changed files with 15 additions and 64 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d55653377df36f8c04a966f3420335f1a0eb4d83
+refs/heads/master: c734c79bc397eace039bea406997efa89f879c14
diff --git a/trunk/drivers/mmc/host/sdhci.c b/trunk/drivers/mmc/host/sdhci.c
@@ -7,10 +7,6 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or (at
  * your option) any later version.
- *
- * Thanks to the following companies for their support:
- *
- *     - JMicron (hardware and technical support)
  */
 
 #include <linux/delay.h>
@@ -30,29 +26,13 @@
 
 static unsigned int debug_quirks = 0;
 
-/*
- * Different quirks to handle when the hardware deviates from a strict
- * interpretation of the SDHCI specification.
- */
-
-/* Controller doesn't honor resets unless we touch the clock register */
 #define SDHCI_QUIRK_CLOCK_BEFORE_RESET			(1<<0)
-/* Controller has bad caps bits, but really supports DMA */
 #define SDHCI_QUIRK_FORCE_DMA				(1<<1)
 /* Controller doesn't like some resets when there is no card inserted. */
 #define SDHCI_QUIRK_NO_CARD_NO_RESET			(1<<2)
-/* Controller doesn't like clearing the power reg before a change */
 #define SDHCI_QUIRK_SINGLE_POWER_WRITE			(1<<3)
-/* Controller has flaky internal state so reset it on each ios change */
 #define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS		(1<<4)
-/* Controller has an unusable DMA engine */
 #define SDHCI_QUIRK_BROKEN_DMA				(1<<5)
-/* Controller can only DMA from 32-bit aligned addresses */
-#define SDHCI_QUIRK_32BIT_DMA_ADDR			(1<<6)
-/* Controller can only DMA chunk sizes that are a multiple of 32 bits */
-#define SDHCI_QUIRK_32BIT_DMA_SIZE			(1<<7)
-/* Controller needs to be reset after each request to stay stable */
-#define SDHCI_QUIRK_RESET_AFTER_REQUEST			(1<<8)
 
 static const struct pci_device_id pci_ids[] __devinitdata = {
 	{
@@ -117,16 +97,6 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
 				  SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS,
 	},
 
-	{
-		.vendor         = PCI_VENDOR_ID_JMICRON,
-		.device         = PCI_DEVICE_ID_JMICRON_JMB38X_SD,
-		.subvendor      = PCI_ANY_ID,
-		.subdevice      = PCI_ANY_ID,
-		.driver_data    = SDHCI_QUIRK_32BIT_DMA_ADDR |
-				  SDHCI_QUIRK_32BIT_DMA_SIZE |
-				  SDHCI_QUIRK_RESET_AFTER_REQUEST,
-	},
-
 	{	/* Generic SD host controller */
 		PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)
 	},
@@ -449,29 +419,7 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
 
 	writeb(count, host->ioaddr + SDHCI_TIMEOUT_CONTROL);
 
-	if (host->flags & SDHCI_USE_DMA)
-		host->flags |= SDHCI_REQ_USE_DMA;
-
-	if (unlikely((host->flags & SDHCI_REQ_USE_DMA) &&
-		(host->chip->quirks & SDHCI_QUIRK_32BIT_DMA_SIZE) &&
-		((data->blksz * data->blocks) & 0x3))) {
-		DBG("Reverting to PIO because of transfer size (%d)\n",
-			data->blksz * data->blocks);
-		host->flags &= ~SDHCI_REQ_USE_DMA;
-	}
-
-	/*
-	 * The assumption here being that alignment is the same after
-	 * translation to device address space.
-	 */
-	if (unlikely((host->flags & SDHCI_REQ_USE_DMA) &&
-		(host->chip->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) &&
-		(data->sg->offset & 0x3))) {
-		DBG("Reverting to PIO because of bad alignment\n");
-		host->flags &= ~SDHCI_REQ_USE_DMA;
-	}
-
-	if (host->flags & SDHCI_REQ_USE_DMA) {
+	if (host->flags & SDHCI_USE_DMA) {
 		int count;
 
 		count = pci_map_sg(host->chip->pdev, data->sg, data->sg_len,
@@ -508,7 +456,7 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
 		mode |= SDHCI_TRNS_MULTI;
 	if (data->flags & MMC_DATA_READ)
 		mode |= SDHCI_TRNS_READ;
-	if (host->flags & SDHCI_REQ_USE_DMA)
+	if (host->flags & SDHCI_USE_DMA)
 		mode |= SDHCI_TRNS_DMA;
 
 	writew(mode, host->ioaddr + SDHCI_TRANSFER_MODE);
@@ -524,7 +472,7 @@ static void sdhci_finish_data(struct sdhci_host *host)
 	data = host->data;
 	host->data = NULL;
 
-	if (host->flags & SDHCI_REQ_USE_DMA) {
+	if (host->flags & SDHCI_USE_DMA) {
 		pci_unmap_sg(host->chip->pdev, data->sg, data->sg_len,
 			(data->flags & MMC_DATA_READ)?PCI_DMA_FROMDEVICE:PCI_DMA_TODEVICE);
 	}
@@ -938,8 +886,7 @@ static void sdhci_tasklet_finish(unsigned long param)
 	 */
 	if (mrq->cmd->error ||
 		(mrq->data && (mrq->data->error ||
-		(mrq->data->stop && mrq->data->stop->error))) ||
-		(host->chip->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST)) {
+		(mrq->data->stop && mrq->data->stop->error)))) {
 
 		/* Some controllers need this kick or reset won't work here */
 		if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
@@ -1337,7 +1284,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 
 	version = readw(host->ioaddr + SDHCI_HOST_VERSION);
 	version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
-	if (version > 1) {
+	if (version != 0) {
 		printk(KERN_ERR "%s: Unknown controller version (%d). "
 			"You may experience problems.\n", host->slot_descr,
 			version);

diff --git a/trunk/drivers/mmc/host/sdhci.h b/trunk/drivers/mmc/host/sdhci.h
@@ -171,8 +171,7 @@ struct sdhci_host {
 	spinlock_t		lock;		/* Mutex */
 
 	int			flags;		/* Host attributes */
-#define SDHCI_USE_DMA		(1<<0)		/* Host is DMA capable */
-#define SDHCI_REQ_USE_DMA	(1<<1)		/* Use DMA for this req. */
+#define SDHCI_USE_DMA		(1<<0)
 
 	unsigned int		max_clk;	/* Max possible freq (MHz) */
 	unsigned int		timeout_clk;	/* Timeout freq (KHz) */

diff --git a/trunk/fs/xfs/xfs_inode.c b/trunk/fs/xfs/xfs_inode.c
@@ -1459,8 +1459,10 @@ xfs_itruncate_start(
 	mp = ip->i_mount;
 	vp = XFS_ITOV(ip);
 
-	vn_iowait(ip);  /* wait for the completion of any pending DIOs */
-
+	/* wait for the completion of any pending DIOs */
+	if (new_size < ip->i_size)
+		vn_iowait(ip);
+
 	/*
 	 * Call toss_pages or flushinval_pages to get rid of pages
 	 * overlapping the region being removed.  We have to use

diff --git a/trunk/include/linux/mmc/host.h b/trunk/include/linux/mmc/host.h
@@ -118,6 +118,10 @@ struct mmc_host {
 	unsigned int		removed:1;	/* host is being removed */
 #endif
 
+	unsigned int		mode;		/* current card mode of host */
+#define MMC_MODE_MMC		0
+#define MMC_MODE_SD		1
+
 	struct mmc_card		*card;		/* device attached to this host */
 
 	wait_queue_head_t	wq;

diff --git a/trunk/include/linux/pci_ids.h b/trunk/include/linux/pci_ids.h
@@ -2148,7 +2148,6 @@
 #define PCI_DEVICE_ID_JMICRON_JMB365	0x2365
 #define PCI_DEVICE_ID_JMICRON_JMB366	0x2366
 #define PCI_DEVICE_ID_JMICRON_JMB368	0x2368
-#define PCI_DEVICE_ID_JMICRON_JMB38X_SD	0x2381
 
 #define PCI_VENDOR_ID_KORENIX		0x1982
 #define PCI_DEVICE_ID_KORENIX_JETCARDF0	0x1600