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[patch 1/1] Use pci_set_dma_mask() instead of direct assignment of DMA m

To: jgarzik@xxxxxxxxx
Subject: [patch 1/1] Use pci_set_dma_mask() instead of direct assignment of DMA mask
From: domen@xxxxxxxxxxxx
Date: Sun, 29 May 2005 01:16:55 +0200
Cc: netdev@xxxxxxxxxxx, Tobias Klauser <tklauser@xxxxxxxxxxx>, domen@xxxxxxxxxxxx
Sender: netdev-bounce@xxxxxxxxxxx
From: Tobias Klauser <tklauser@xxxxxxxxxxx>


The amd8111e driver directly assigns the DMA mask to the dma_mask
member of the struct pci_dev instead of using pci_set_dma_mask(). This
makes the call to pci_dma_supported() redundant as pci_set_dma_mask()
does this check.

I do not own this device so I only compile-tested this patch.

Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>

---
 amd8111e.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

Index: quilt/drivers/net/amd8111e.c
===================================================================
--- quilt.orig/drivers/net/amd8111e.c
+++ quilt/drivers/net/amd8111e.c
@@ -87,6 +87,7 @@ Revision History:
 #include <linux/if_vlan.h>
 #include <linux/ctype.h>       
 #include <linux/crc32.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -2002,12 +2003,11 @@ static int __devinit amd8111e_probe_one(
        }
 
        /* Initialize DMA */
-       if(!pci_dma_supported(pdev, 0xffffffff)){
+       if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) < 0) {
                printk(KERN_ERR "amd8111e: DMA not supported,"
                        "exiting.\n");
-               goto  err_free_reg;
-       } else
-               pdev->dma_mask = 0xffffffff;
+               goto err_free_reg;
+       }
        
        reg_addr = pci_resource_start(pdev, 0);
        reg_len = pci_resource_len(pdev, 0);

--

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