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* [PATCH] staging: vt6655: mac.c:  Remove unused function
@ 2014-12-07 22:02 Rickard Strandqvist
  2014-12-08  5:38 ` Sudip Mukherjee
  2015-01-13  3:34 ` Greg Kroah-Hartman
  0 siblings, 2 replies; 4+ messages in thread
From: Rickard Strandqvist @ 2014-12-07 22:02 UTC (permalink / raw)
  To: Forest Bond, Greg Kroah-Hartman
  Cc: Rickard Strandqvist, Guido Martínez, Malcolm Priestley,
	Guillaume Clement, Joe Perches, devel, linux-kernel

Remove the function MACbCompareContext() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
 drivers/staging/vt6655/mac.c |   42 ------------------------------------------
 drivers/staging/vt6655/mac.h |    1 -
 2 files changed, 43 deletions(-)

diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index e3b0b7f..8254879 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -49,7 +49,6 @@
  *      MACvSetPacketFilter - Set MAC Address Filter
  *      MACvSaveContext - Save Context of MAC Registers
  *      MACvRestoreContext - Restore Context of MAC Registers
- *      MACbCompareContext - Compare if values of MAC Registers same as Context
  *      MACbSoftwareReset - Software Reset MAC
  *      MACbSafeRxOff - Turn Off MAC Rx
  *      MACbSafeTxOff - Turn Off MAC Tx
@@ -702,47 +701,6 @@ void MACvRestoreContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf)
 
 /*
  * Description:
- *      Compare if MAC registers same as context buffer
- *
- * Parameters:
- *  In:
- *      dwIoBase    - Base Address for MAC
- *      pbyCxtBuf   - Context buffer
- *  Out:
- *      none
- *
- * Return Value: true if all values are the same; otherwise false
- *
- */
-bool MACbCompareContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf)
-{
-	unsigned long dwData;
-
-	// compare MAC context to determine if this is a power lost init,
-	// return true for power remaining init, return false for power lost init
-
-	// compare CURR_RX_DESC_ADDR, CURR_TX_DESC_ADDR
-	VNSvInPortD(dwIoBase + MAC_REG_TXDMAPTR0, &dwData);
-	if (dwData != *(unsigned long *)(pbyCxtBuf + MAC_REG_TXDMAPTR0))
-		return false;
-
-	VNSvInPortD(dwIoBase + MAC_REG_AC0DMAPTR, &dwData);
-	if (dwData != *(unsigned long *)(pbyCxtBuf + MAC_REG_AC0DMAPTR))
-		return false;
-
-	VNSvInPortD(dwIoBase + MAC_REG_RXDMAPTR0, &dwData);
-	if (dwData != *(unsigned long *)(pbyCxtBuf + MAC_REG_RXDMAPTR0))
-		return false;
-
-	VNSvInPortD(dwIoBase + MAC_REG_RXDMAPTR1, &dwData);
-	if (dwData != *(unsigned long *)(pbyCxtBuf + MAC_REG_RXDMAPTR1))
-		return false;
-
-	return true;
-}
-
-/*
- * Description:
  *      Software Reset MAC
  *
  * Parameters:
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index 0bf9375..811c459 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -1006,7 +1006,6 @@ void MACvSetPacketFilter(void __iomem *dwIoBase, unsigned short wFilterType);
 
 void MACvSaveContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf);
 void MACvRestoreContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf);
-bool MACbCompareContext(void __iomem *dwIoBase, unsigned char *pbyCxtBuf);
 
 bool MACbSoftwareReset(void __iomem *dwIoBase);
 bool MACbSafeSoftwareReset(void __iomem *dwIoBase);
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-01-17 15:51 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2014-12-07 22:02 [PATCH] staging: vt6655: mac.c: Remove unused function Rickard Strandqvist
2014-12-08  5:38 ` Sudip Mukherjee
2015-01-13  3:34 ` Greg Kroah-Hartman
2015-01-17 15:51   ` Rickard Strandqvist

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