emacps: Remove the alignment check for the adjacent BD gap

Removed the alignment check for the adjacent BD gap as the controller
expects all the BDs are organized in linear order.

Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
This commit is contained in:
Punnaiah Choudary Kalluri 2015-02-02 19:45:17 +05:30 committed by Nava kishore Manne
parent b165375f88
commit 513490e787
2 changed files with 3 additions and 6 deletions

View file

@ -234,8 +234,7 @@ LONG XEmacPs_BdRingCreate(XEmacPs_BdRing * RingPtr, UINTPTR PhysAddr,
}
/* Figure out how many bytes will be between the start of adjacent BDs */
RingPtr->Separation =
((u32)sizeof(XEmacPs_Bd) + (Alignment - (u32)1)) & ~(Alignment - (u32)1);
RingPtr->Separation = ((u32)sizeof(XEmacPs_Bd));
/* Must make sure the ring doesn't span address 0x00000000. If it does,
* then the next/prev BD traversal macros will fail.

View file

@ -108,8 +108,7 @@ typedef struct {
*
******************************************************************************/
#define XEmacPs_BdRingCntCalc(Alignment, Bytes) \
(u32)((Bytes) / ((sizeof(XEmacPs_Bd) + ((Alignment)-1)) & \
~((Alignment)-1)))
(u32)((Bytes) / (sizeof(XEmacPs_Bd)))
/*****************************************************************************/
/**
@ -130,8 +129,7 @@ typedef struct {
*
******************************************************************************/
#define XEmacPs_BdRingMemCalc(Alignment, NumBd) \
(u32)((sizeof(XEmacPs_Bd) + ((Alignment)-1)) & \
~((Alignment)-1)) * ((NumBd))
(u32)(sizeof(XEmacPs_Bd) * (NumBd))
/****************************************************************************/
/**