Staging: remove epl driver

This is no longer maintained upstream, and no one cares about it at all,
so delete it.

The fact that it is duplicating an existing network driver also is a
good reason to remove it, it's causing nothing but trouble right now.

Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Cc: Ronald Sieber <Ronald.Sieber@systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 410 deletions

diff --git a/drivers/staging/epl/proc_fs.c b/drivers/staging/epl/proc_fs.c
deleted file mode 100644
index e48949d9ddf..00000000000
--- a/drivers/staging/epl/proc_fs.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/****************************************************************************
-
-  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
-      www.systec-electronic.com
-
-  Project:      openPOWERLINK
-
-  Description:  proc fs entry with diagnostic information under Linux
-
-  License:
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions
-    are met:
-
-    1. Redistributions of source code must retain the above copyright
-       notice, this list of conditions and the following disclaimer.
-
-    2. Redistributions in binary form must reproduce the above copyright
-       notice, this list of conditions and the following disclaimer in the
-       documentation and/or other materials provided with the distribution.
-
-    3. Neither the name of SYSTEC electronic GmbH nor the names of its
-       contributors may be used to endorse or promote products derived
-       from this software without prior written permission. For written
-       permission, please contact info@systec-electronic.com.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-    COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-    POSSIBILITY OF SUCH DAMAGE.
-
-    Severability Clause:
-
-        If a provision of this License is or becomes illegal, invalid or
-        unenforceable in any jurisdiction, that shall not affect:
-        1. the validity or enforceability in that jurisdiction of any other
-           provision of this License; or
-        2. the validity or enforceability in other jurisdictions of that or
-           any other provision of this License.
-
-  -------------------------------------------------------------------------
-
-                $RCSfile: proc_fs.c,v $
-
-                $Author: D.Krueger $
-
-                $Revision: 1.13 $  $Date: 2008/11/07 13:55:56 $
-
-                $State: Exp $
-
-                Build Environment:
-                    GNU
-
-  -------------------------------------------------------------------------
-
-  Revision History:
-
-  2006/07/31 d.k.:   start of implementation
-
-****************************************************************************/
-
-#include "kernel/EplNmtk.h"
-#include "user/EplNmtu.h"
-
-#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
-#include "user/EplNmtMnu.h"
-#endif
-
-#include "kernel/EplDllkCal.h"
-
-//#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/major.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/atomic.h>
-#include <linux/proc_fs.h>
-#include <linux/spinlock.h>
-
-#ifdef CONFIG_COLDFIRE
-#include <asm/coldfire.h>
-#include "fec.h"
-#endif
-
-#include "proc_fs.h"
-
-/***************************************************************************/
-/*                                                                         */
-/*                                                                         */
-/*          G L O B A L   D E F I N I T I O N S                            */
-/*                                                                         */
-/*                                                                         */
-/***************************************************************************/
-
-//---------------------------------------------------------------------------
-// const defines
-//---------------------------------------------------------------------------
-
-#ifndef EPL_PROC_DEV_NAME
-#define EPL_PROC_DEV_NAME    "epl"
-#endif
-
-#ifndef DBG_TRACE_POINTS
-#define DBG_TRACE_POINTS    23	// # of supported debug trace points
-#endif
-
-#ifndef DBG_TRACE_VALUES
-#define DBG_TRACE_VALUES    24	// # of supported debug trace values (size of circular buffer)
-#endif
-
-//---------------------------------------------------------------------------
-// modul global types
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-// local vars
-//---------------------------------------------------------------------------
-
-#ifdef _DBG_TRACE_POINTS_
-atomic_t aatmDbgTracePoint_l[DBG_TRACE_POINTS];
-u32 adwDbgTraceValue_l[DBG_TRACE_VALUES];
-u32 dwDbgTraceValueOld_l;
-unsigned int uiDbgTraceValuePos_l;
-spinlock_t spinlockDbgTraceValue_l;
-unsigned long ulDbTraceValueFlags_l;
-#endif
-
-//---------------------------------------------------------------------------
-// local function prototypes
-//---------------------------------------------------------------------------
-
-static int EplLinProcRead(char *pcBuffer_p, char **ppcStart_p, off_t Offset_p,
-			  int nBufferSize_p, int *pEof_p, void *pData_p);
-static int EplLinProcWrite(struct file *file, const char __user * buffer,
-			   unsigned long count, void *data);
-
-void TgtDbgSignalTracePoint(u8 bTracePointNumber_p);
-void TgtDbgPostTraceValue(u32 dwTraceValue_p);
-
-extern u32 EplIdentuGetRunningRequests(void);
-
-//=========================================================================//
-//                                                                         //
-//          P U B L I C   F U N C T I O N S                                //
-//                                                                         //
-//=========================================================================//
-
-tEplKernel EplLinProcInit(void)
-{
-	struct proc_dir_entry *pProcDirEntry;
-	pProcDirEntry = create_proc_entry(EPL_PROC_DEV_NAME, S_IRUGO, NULL);
-	if (pProcDirEntry != NULL) {
-		pProcDirEntry->read_proc = EplLinProcRead;
-		pProcDirEntry->write_proc = EplLinProcWrite;
-		pProcDirEntry->data = NULL;	// device number or something else
-
-	} else {
-		return kEplNoResource;
-	}
-
-#ifdef _DBG_TRACE_POINTS_
-	// initialize spinlock and circular buffer position
-	spin_lock_init(&spinlockDbgTraceValue_l);
-	uiDbgTraceValuePos_l = 0;
-	dwDbgTraceValueOld_l = 0;
-#endif
-
-	return kEplSuccessful;
-}
-
-tEplKernel EplLinProcFree(void)
-{
-	remove_proc_entry(EPL_PROC_DEV_NAME, NULL);
-
-	return kEplSuccessful;
-}
-
-//---------------------------------------------------------------------------
-//  Target specific event signaling (FEC Tx-/Rx-Interrupt, used by Edrv)
-//---------------------------------------------------------------------------
-
-#ifdef _DBG_TRACE_POINTS_
-void TgtDbgSignalTracePoint(u8 bTracePointNumber_p)
-{
-
-	if (bTracePointNumber_p >=
-	    ARRAY_SIZE(aatmDbgTracePoint_l)) {
-		goto Exit;
-	}
-
-	atomic_inc(&aatmDbgTracePoint_l[bTracePointNumber_p]);
-
-      Exit:
-
-	return;
-
-}
-
-void TgtDbgPostTraceValue(u32 dwTraceValue_p)
-{
-
-	spin_lock_irqsave(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
-	if (dwDbgTraceValueOld_l != dwTraceValue_p) {
-		adwDbgTraceValue_l[uiDbgTraceValuePos_l] = dwTraceValue_p;
-		uiDbgTraceValuePos_l =
-		    (uiDbgTraceValuePos_l + 1) % DBG_TRACE_VALUES;
-		dwDbgTraceValueOld_l = dwTraceValue_p;
-	}
-	spin_unlock_irqrestore(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
-
-	return;
-
-}
-#endif
-
-//---------------------------------------------------------------------------
-//  Read function for PROC-FS read access
-//---------------------------------------------------------------------------
-
-static int EplLinProcRead(char *pcBuffer_p,
-			  char **ppcStart_p,
-			  off_t Offset_p,
-			  int nBufferSize_p, int *pEof_p, void *pData_p)
-{
-
-	int nSize;
-	int Eof;
-	tEplDllkCalStatistics *pDllkCalStats;
-
-	nSize = 0;
-	Eof = 0;
-
-	// count calls of this function
-#ifdef _DBG_TRACE_POINTS_
-	TgtDbgSignalTracePoint(0);
-#endif
-
-	//---------------------------------------------------------------
-	// generate static information
-	//---------------------------------------------------------------
-
-	// ---- Driver information ----
-	nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-			  "%s    %s    (c) 2006 %s\n",
-			  EPL_PRODUCT_NAME, EPL_PRODUCT_VERSION,
-			  EPL_PRODUCT_MANUFACTURER);
-
-	//---------------------------------------------------------------
-	// generate process information
-	//---------------------------------------------------------------
-
-	// ---- EPL state ----
-	nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-			  "NMT state:                  0x%04X\n",
-			  (u16) EplNmtkGetNmtState());
-
-	EplDllkCalGetStatistics(&pDllkCalStats);
-
-	nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-			  "CurAsyncTxGen=%lu CurAsyncTxNmt=%lu CurAsyncRx=%lu\nMaxAsyncTxGen=%lu MaxAsyncTxNmt=%lu MaxAsyncRx=%lu\n",
-			  pDllkCalStats->m_ulCurTxFrameCountGen,
-			  pDllkCalStats->m_ulCurTxFrameCountNmt,
-			  pDllkCalStats->m_ulCurRxFrameCount,
-			  pDllkCalStats->m_ulMaxTxFrameCountGen,
-			  pDllkCalStats->m_ulMaxTxFrameCountNmt,
-			  pDllkCalStats->m_ulMaxRxFrameCount);
-
-#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
-	// fetch running IdentRequests
-	nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-			  "running IdentRequests:      0x%08X\n",
-			  EplIdentuGetRunningRequests());
-
-	// fetch state of NmtMnu module
-	{
-		unsigned int uiMandatorySlaveCount;
-		unsigned int uiSignalSlaveCount;
-		u16 wFlags;
-
-		EplNmtMnuGetDiagnosticInfo(&uiMandatorySlaveCount,
-					   &uiSignalSlaveCount, &wFlags);
-
-		nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				  "MN  MandSlaveCount: %u  SigSlaveCount: %u  Flags: 0x%X\n",
-				  uiMandatorySlaveCount, uiSignalSlaveCount,
-				  wFlags);
-
-	}
-#endif
-
-	// ---- FEC state ----
-#ifdef CONFIG_COLDFIRE
-	{
-		// Receive the base address
-		unsigned long base_addr;
-#if (EDRV_USED_ETH_CTRL == 0)
-		// Set the base address of FEC0
-		base_addr = FEC_BASE_ADDR_FEC0;
-#else
-		// Set the base address of FEC1
-		base_addr = FEC_BASE_ADDR_FEC1;
-#endif
-
-		nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				  "FEC_ECR = 0x%08X FEC_EIR = 0x%08X FEC_EIMR = 0x%08X\nFEC_TCR = 0x%08X FECTFSR = 0x%08X FECRFSR = 0x%08X\n",
-				  FEC_ECR(base_addr), FEC_EIR(base_addr),
-				  FEC_EIMR(base_addr), FEC_TCR(base_addr),
-				  FEC_FECTFSR(base_addr),
-				  FEC_FECRFSR(base_addr));
-	}
-#endif
-
-	// ---- DBG: TracePoints ----
-#ifdef _DBG_TRACE_POINTS_
-	{
-		int nNum;
-
-		nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				  "DbgTracePoints:\n");
-		for (nNum = 0;
-		     nNum < ARRAY_SIZE(aatmDbgTracePoint_l);
-		     nNum++) {
-			nSize +=
-			    snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				     " TracePoint[%2d]: %d\n", (int)nNum,
-				     atomic_read(&aatmDbgTracePoint_l[nNum]));
-		}
-
-		nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				  "DbgTraceValues:\n");
-		for (nNum = 0; nNum < DBG_TRACE_VALUES; nNum++) {
-			if (nNum == uiDbgTraceValuePos_l) {	// next value will be stored at that position
-				nSize +=
-				    snprintf(pcBuffer_p + nSize,
-					     nBufferSize_p - nSize, "*%08lX",
-					     adwDbgTraceValue_l[nNum]);
-			} else {
-				nSize +=
-				    snprintf(pcBuffer_p + nSize,
-					     nBufferSize_p - nSize, " %08lX",
-					     adwDbgTraceValue_l[nNum]);
-			}
-			if ((nNum & 0x00000007) == 0x00000007) {	// 8 values printed -> end of line reached
-				nSize +=
-				    snprintf(pcBuffer_p + nSize,
-					     nBufferSize_p - nSize, "\n");
-			}
-		}
-		if ((nNum & 0x00000007) != 0x00000007) {	// number of values printed is not a multiple of 8 -> print new line
-			nSize +=
-			    snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
-				     "\n");
-		}
-	}
-#endif
-
-	Eof = 1;
-	goto Exit;
-
-      Exit:
-
-	*pEof_p = Eof;
-
-	return (nSize);
-
-}
-
-//---------------------------------------------------------------------------
-//  Write function for PROC-FS write access
-//---------------------------------------------------------------------------
-
-static int EplLinProcWrite(struct file *file, const char __user * buffer,
-			   unsigned long count, void *data)
-{
-	char abBuffer[count + 1];
-	int iErr;
-	int iVal = 0;
-	tEplNmtEvent NmtEvent;
-
-	if (count > 0) {
-		iErr = copy_from_user(abBuffer, buffer, count);
-		if (iErr != 0) {
-			return count;
-		}
-		abBuffer[count] = '\0';
-
-		iErr = sscanf(abBuffer, "%i", &iVal);
-	}
-	if ((iVal <= 0) || (iVal > 0x2F)) {
-		NmtEvent = kEplNmtEventSwReset;
-	} else {
-		NmtEvent = (tEplNmtEvent) iVal;
-	}
-	// execute specified NMT command on write access of /proc/epl
-	EplNmtuNmtEvent(NmtEvent);
-
-	return count;
-}