From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Tue, 18 Feb 2003 23:44:09 +0000 (+0000)
Subject: declare elements of dma descriptors volatile
X-Git-Tag: r0_7_67x~97
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=5c5cf9207d24c9007ffc0eb56d978dad527163c7;p=comedi.git

declare elements of dma descriptors volatile
---

diff --git a/comedi/drivers/plx9080.h b/comedi/drivers/plx9080.h
index 6e738381..fc163b45 100644
--- a/comedi/drivers/plx9080.h
+++ b/comedi/drivers/plx9080.h
@@ -27,13 +27,13 @@
 // descriptor block used for chained dma transfers
 struct plx_dma_desc
 {
-	u32 pci_start_addr;
-	u32 local_start_addr;
-	// transfer_size is in bytes, only first 23 bits of register are used
-	u32 transfer_size;
+	volatile uint32_t pci_start_addr;
+	volatile uint32_t local_start_addr;
+	/* transfer_size is in bytes, only first 23 bits of register are used */
+	volatile uint32_t transfer_size;
 	/* address of next descriptor (quad word aligned), plus some
 	 * additional bits (see PLX_DMA0_DESCRIPTOR_REG) */
-	u32 next;
+	volatile uint32_t next;
 };
 
 /**********************************************************************