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staging: vt6655: 64 bit Correct alignment of tx/rx structures. 

Aligment of pointers on 64 bit is incorrect.

Align to 64 bit using aligned 8 bytes and remove structure packing.

This allows the device to run on both 32 and 64 bit

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2014-03-06 22:44:21 +00:00 committed by Greg Kroah-Hartman
parent 3cf477b56c
commit 829127b438
1 changed files with 6 additions and 9 deletions
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15
drivers/staging/vt6655/desc.h
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@ -276,9 +276,8 @@ typedef struct tagSRxDesc {
volatile SRDES1 m_rd1RD1;
volatile u32 buff_addr;
volatile u32 next_desc;
struct tagSRxDesc *next;//4 bytes
volatile PDEVICE_RD_INFO pRDInfo;//4 bytes
volatile u32 Reserved[2];//8 bytes
struct tagSRxDesc *next __aligned(8);
volatile PDEVICE_RD_INFO pRDInfo __aligned(8);
} __attribute__ ((__packed__))
SRxDesc, *PSRxDesc;
typedef const SRxDesc *PCSRxDesc;
@ -361,9 +360,8 @@ typedef struct tagSTxDesc {
volatile STDES1 m_td1TD1;
volatile u32 buff_addr;
volatile u32 next_desc;
struct tagSTxDesc *next; //4 bytes
volatile PDEVICE_TD_INFO pTDInfo;//4 bytes
volatile u32 Reserved[2];//8 bytes
struct tagSTxDesc *next __aligned(8);
volatile PDEVICE_TD_INFO pTDInfo __aligned(8);
} __attribute__ ((__packed__))
STxDesc, *PSTxDesc;
typedef const STxDesc *PCSTxDesc;
@ -375,9 +373,8 @@ typedef struct tagSTxSyncDesc {
volatile u32 next_desc; // pointer to next logical descriptor
volatile unsigned short m_wFIFOCtl;
volatile unsigned short m_wTimeStamp;
struct tagSTxSyncDesc *next; //4 bytes
volatile PDEVICE_TD_INFO pTDInfo;//4 bytes
volatile u32 m_dwReserved2;
struct tagSTxSyncDesc *next __aligned(8);
volatile PDEVICE_TD_INFO pTDInfo __aligned(8);
} __attribute__ ((__packed__))
STxSyncDesc, *PSTxSyncDesc;
typedef const STxSyncDesc *PCSTxSyncDesc;