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emacps: Remove the alignment check for the adjacent BD gap

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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 Suneel Garapati
parent a116cc9f3b
commit a84c7db3c2
2 changed files with 3 additions and 6 deletions
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3
XilinxProcessorIPLib/drivers/emacps/src/xemacps_bdring.c
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@ -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.

6
XilinxProcessorIPLib/drivers/emacps/src/xemacps_bdring.h
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))
/****************************************************************************/
/**