[PATCH] Intruduce DMA_28BIT_MASK

This patch introduces the DMA_28BIT_MASK constant in dma-mapping.h
ALSA drivers using this mask are changed to use the new constant.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Jaroslav Kysela <perex@suse.cz>

include/linux/dma-mapping.h

@@ -20,6 +20,7 @@ enum dma_data_direction {
 #define DMA_31BIT_MASK	0x000000007fffffffULL
 #define DMA_30BIT_MASK	0x000000003fffffffULL
 #define DMA_29BIT_MASK	0x000000001fffffffULL
+#define DMA_28BIT_MASK	0x000000000fffffffULL
 
 #include <asm/dma-mapping.h>
 

sound/pci/ad1889.c

@@ -34,6 +34,7 @@
 
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/compiler.h>
@@ -909,10 +910,10 @@ snd_ad1889_create(struct snd_card *card,
 
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
-	
+
 	/* check PCI availability (32bit DMA) */
-	if (pci_set_dma_mask(pci, 0xffffffff) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0xffffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
 		printk(KERN_ERR PFX "error setting 32-bit DMA mask.\n");
 		pci_disable_device(pci);
 		return -ENXIO;

sound/pci/emu10k1/emu10k1x.c

@@ -33,6 +33,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
@@ -893,24 +894,24 @@ static int __devinit snd_emu10k1x_create(struct snd_card *card,
 	static struct snd_device_ops ops = {
 		.dev_free = snd_emu10k1x_dev_free,
 	};
-  
+
 	*rchip = NULL;
-  
+
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
-	if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;
 	}
-  
+
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (chip == NULL) {
 		pci_disable_device(pci);
 		return -ENOMEM;
 	}
-  
+
 	chip->card = card;
 	chip->pci = pci;
 	chip->irq = -1;

sound/pci/es1968.c

@@ -100,6 +100,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
@@ -2561,8 +2562,8 @@ static int __devinit snd_es1968_create(struct snd_card *card,
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
 	/* check, if we can restrict PCI DMA transfers to 28 bits */
-	if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;

sound/pci/ice1712/ice1712.c

@@ -53,6 +53,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
@@ -2553,8 +2554,8 @@ static int __devinit snd_ice1712_create(struct snd_card *card,
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
 	/* check, if we can restrict PCI DMA transfers to 28 bits */
-	if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;

sound/pci/maestro3.c

@@ -37,6 +37,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
@@ -2657,8 +2658,8 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
 		return -EIO;
 
 	/* check, if we can restrict PCI DMA transfers to 28 bits */
-	if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
-	    pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;

sound/pci/mixart/mixart.c

@@ -25,6 +25,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
@@ -1289,7 +1290,7 @@ static int __devinit snd_mixart_probe(struct pci_dev *pci,
 	pci_set_master(pci);
 
 	/* check if we can restrict PCI DMA transfers to 32 bits */
-	if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;

sound/pci/pcxhr/pcxhr.c

@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/delay.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
@@ -1217,7 +1218,7 @@ static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id
 	pci_set_master(pci);
 
 	/* check if we can restrict PCI DMA transfers to 32 bits */
-	if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
+	if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;