1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/staging/dt3155/dt3155_io.c b/drivers/staging/dt3155/dt3155_io.c
deleted file mode 100644
index 11fac34eced5..000000000000
--- a/drivers/staging/dt3155/dt3155_io.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
- *			    Jason Lapenta, Scott Smedley
- *
- * This file is part of the DT3155 Device Driver.
- *
- * The DT3155 Device Driver is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * The DT3155 Device Driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
- * Public License for more details.
- */
-
-/*
- * This file provides some basic register io routines.  It is modified from
- * demo code provided by Data Translations.
- */
-
-#include <linux/delay.h>
-#include <linux/io.h>
-
-#include "dt3155.h"
-#include "dt3155_io.h"
-#include "dt3155_drv.h"
-
-
-/*
- * wait_ibsyclr()
- *
- * This function handles read/write timing and r/w timeout error
- */
-static int wait_ibsyclr(void __iomem *mmio)
-{
-	IIC_CSR2_R iic_csr2_r;
-
-	/* wait 100 microseconds */
-	udelay(100L);
-	/* __delay(loops_per_sec/10000); */
-
-	iic_csr2_r.reg = readl(mmio + IIC_CSR2);
-	if (iic_csr2_r.fld.NEW_CYCLE) {
-		/* if NEW_CYCLE didn't clear */
-		/* TIMEOUT ERROR */
-		dt3155_errno = DT_ERR_I2C_TIMEOUT;
-		return -ETIMEDOUT;
-	}
-
-	return 0;	/* no error */
-}
-
-/*
- * WriteI2C()
- *
- * This function handles writing to 8-bit DT3155 registers
- *
- * 1st parameter is pointer to 32-bit register base address
- * 2nd parameter is reg. index;
- * 3rd is value to be written
- */
-int WriteI2C(void __iomem *mmio, u_short wIregIndex, u8 byVal)
-{
-	IIC_CSR2_R iic_csr2_r;
-
-	/* read 32 bit IIC_CSR2 register data into union */
-	iic_csr2_r.reg = readl(mmio + IIC_CSR2);
-
-	/* for write operation */
-	iic_csr2_r.fld.DIR_RD      = 0;
-	/* I2C address of I2C register: */
-	iic_csr2_r.fld.DIR_ADDR    = wIregIndex;
-	/* 8 bit data to be written to I2C reg */
-	iic_csr2_r.fld.DIR_WR_DATA = byVal;
-	/* will start a direct I2C cycle: */
-	iic_csr2_r.fld.NEW_CYCLE   = 1;
-
-	/* xfer union data into 32 bit IIC_CSR2 register */
-	writel(iic_csr2_r.reg, mmio + IIC_CSR2);
-
-	/* wait for IIC cycle to finish */
-	return wait_ibsyclr(mmio);
-}
-
-/*
- * ReadI2C()
- *
- * This function handles reading from 8-bit DT3155 registers
- *
- * 1st parameter is pointer to 32-bit register base address
- * 2nd parameter is reg. index;
- * 3rd is adrs of value to be read
- */
-int ReadI2C(void __iomem *mmio, u_short wIregIndex, u8 *byVal)
-{
-	IIC_CSR1_R iic_csr1_r;
-	IIC_CSR2_R iic_csr2_r;
-	int writestat;	/* status for return */
-
-	/*  read 32 bit IIC_CSR2 register data into union */
-	iic_csr2_r.reg = readl(mmio + IIC_CSR2);
-
-	/*  for read operation */
-	iic_csr2_r.fld.DIR_RD     = 1;
-
-	/*  I2C address of I2C register: */
-	iic_csr2_r.fld.DIR_ADDR   = wIregIndex;
-
-	/*  will start a direct I2C cycle: */
-	iic_csr2_r.fld.NEW_CYCLE  = 1;
-
-	/*  xfer union's data into 32 bit IIC_CSR2 register */
-	writel(iic_csr2_r.reg, mmio + IIC_CSR2);
-
-	/* wait for IIC cycle to finish */
-	writestat = wait_ibsyclr(mmio);
-
-	/* Next 2 commands read 32 bit IIC_CSR1 register's data into union */
-	/* first read data is in IIC_CSR1 */
-	iic_csr1_r.reg = readl(mmio + IIC_CSR1);
-
-	/* now get data u8 out of register */
-	*byVal = (u8) iic_csr1_r.fld.RD_DATA;
-
-	return writestat;
-}