From a8e9fcec583103b6fca14839fbae353639be10b9 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <greg@kroah.com>
Date: Tue, 18 May 2004 02:00:39 -0700
Subject: [PATCH] I2C: change i2c_delay() to use msleep() instead.

---
 drivers/i2c/busses/i2c-ali1535.c | 5 +++--
 drivers/i2c/busses/i2c-ali1563.c | 5 +++--
 drivers/i2c/busses/i2c-ali15x3.c | 5 +++--
 drivers/i2c/busses/i2c-amd756.c  | 7 ++++---
 drivers/i2c/busses/i2c-amd8111.c | 2 +-
 drivers/i2c/busses/i2c-i801.c    | 7 ++++---
 drivers/i2c/busses/i2c-piix4.c   | 3 ++-
 drivers/i2c/busses/i2c-sis5595.c | 3 ++-
 drivers/i2c/busses/i2c-sis630.c  | 3 ++-
 drivers/i2c/busses/i2c-sis96x.c  | 3 ++-
 drivers/i2c/busses/i2c-viapro.c  | 3 ++-
 drivers/i2c/chips/w83l785ts.c    | 3 ++-
 include/linux/i2c.h              | 7 -------
 13 files changed, 30 insertions(+), 26 deletions(-)

diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index e7fce45bb061..c0a85e2b8fe4 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -59,6 +59,7 @@
 #include <linux/kernel.h>
 #include <linux/stddef.h>
 #include <linux/sched.h>
+#include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
@@ -276,7 +277,7 @@ static int ali1535_transaction(struct i2c_adapter *adap)
 	/* We will always wait for a fraction of a second! */
 	timeout = 0;
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	} while (((temp & ALI1535_STS_BUSY) && !(temp & ALI1535_STS_IDLE))
 		 && (timeout++ < MAX_TIMEOUT));
@@ -350,7 +351,7 @@ static s32 ali1535_access(struct i2c_adapter *adap, u16 addr,
 	for (timeout = 0;
 	     (timeout < MAX_TIMEOUT) && !(temp & ALI1535_STS_IDLE);
 	     timeout++) {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	}
 	if (timeout >= MAX_TIMEOUT)
diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c
index 9b55cbbf293e..f77ae846efc4 100644
--- a/drivers/i2c/busses/i2c-ali1563.c
+++ b/drivers/i2c/busses/i2c-ali1563.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/pci.h>
 #include <linux/init.h>
@@ -82,7 +83,7 @@ static int ali1563_transaction(struct i2c_adapter * a)
 
 	timeout = ALI1563_MAX_TIMEOUT;
 	do
-		i2c_delay(1);
+		msleep(1);
 	while (((data = inb_p(SMB_HST_STS)) & HST_STS_BUSY) && --timeout);
 
 	dev_dbg(&a->dev, "Transaction (post): STS=%02x, CNTL1=%02x, "
@@ -137,7 +138,7 @@ static int ali1563_block_start(struct i2c_adapter * a)
 
 	timeout = ALI1563_MAX_TIMEOUT;
 	do
-		i2c_delay(1);
+		msleep(1);
 	while (!((data = inb_p(SMB_HST_STS)) & HST_STS_DONE) && --timeout);
 
 	dev_dbg(&a->dev, "Block (post): STS=%02x, CNTL1=%02x, "
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index 673baa5be9d6..ef4a6252442e 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -67,6 +67,7 @@
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <asm/io.h>
@@ -296,7 +297,7 @@ static int ali15x3_transaction(struct i2c_adapter *adap)
 	/* We will always wait for a fraction of a second! */
 	timeout = 0;
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	} while ((!(temp & (ALI15X3_STS_ERR | ALI15X3_STS_DONE)))
 		 && (timeout++ < MAX_TIMEOUT));
@@ -353,7 +354,7 @@ static s32 ali15x3_access(struct i2c_adapter * adap, u16 addr,
 	for (timeout = 0;
 	     (timeout < MAX_TIMEOUT) && !(temp & ALI15X3_STS_IDLE);
 	     timeout++) {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	}
 	if (timeout >= MAX_TIMEOUT) {
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 2a273e472948..4b1151373f45 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -41,6 +41,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
+#include <linux/delay.h>
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
@@ -124,7 +125,7 @@ static int amd756_transaction(struct i2c_adapter *adap)
 	if ((temp = inw_p(SMB_GLOBAL_STATUS)) & (GS_HST_STS | GS_SMB_STS)) {
 		dev_dbg(&adap->dev, ": SMBus busy (%04x). Waiting... \n", temp);
 		do {
-			i2c_delay(1);
+			msleep(1);
 			temp = inw_p(SMB_GLOBAL_STATUS);
 		} while ((temp & (GS_HST_STS | GS_SMB_STS)) &&
 		         (timeout++ < MAX_TIMEOUT));
@@ -141,7 +142,7 @@ static int amd756_transaction(struct i2c_adapter *adap)
 
 	/* We will always wait for a fraction of a second! */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inw_p(SMB_GLOBAL_STATUS);
 	} while ((temp & GS_HST_STS) && (timeout++ < MAX_TIMEOUT));
 
@@ -188,7 +189,7 @@ static int amd756_transaction(struct i2c_adapter *adap)
  abort:
 	dev_warn(&adap->dev, ": Sending abort.\n");
 	outw_p(inw(SMB_GLOBAL_ENABLE) | GE_ABORT, SMB_GLOBAL_ENABLE);
-	i2c_delay(100);
+	msleep(100);
 	outw_p(GS_CLEAR_STS, SMB_GLOBAL_STATUS);
 	return -1;
 }
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 54704be10404..b0e597049bf0 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -276,7 +276,7 @@ s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 	}
 
 	if (~temp[0] & AMD_SMB_STS_DONE) {
-		i2c_delay(HZ/100);
+		msleep(1);
 		amd_ec_read(smbus, AMD_SMB_STS, temp + 0);
 	}
 
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 22c71d7939ab..4689bd01d1c3 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -44,6 +44,7 @@
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/stddef.h>
+#include <linux/delay.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
@@ -207,7 +208,7 @@ static int i801_transaction(void)
 
 	/* We will always wait for a fraction of a second! */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	} while ((temp & 0x01) && (timeout++ < MAX_TIMEOUT));
 
@@ -335,7 +336,7 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
 		timeout = 0;
 		do {
 			temp = inb_p(SMBHSTSTS);
-			i2c_delay(1);
+			msleep(1);
 		}
 		    while ((!(temp & 0x80))
 			   && (timeout++ < MAX_TIMEOUT));
@@ -395,7 +396,7 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
 		timeout = 0;
 		do {
 			temp = inb_p(SMBHSTSTS);
-			i2c_delay(1);
+			msleep(1);
 		} while ((!(temp & 0x02))
 			   && (timeout++ < MAX_TIMEOUT));
 
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 0beca9e9b23d..31ee54341952 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -33,6 +33,7 @@
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
+#include <linux/delay.h>
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
@@ -260,7 +261,7 @@ static int piix4_transaction(void)
 
 	/* We will always wait for a fraction of a second! (See PIIX4 docs errata) */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	} while ((temp & 0x01) && (timeout++ < MAX_TIMEOUT));
 
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index ec615af7be04..a5040cca3776 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -58,6 +58,7 @@
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
@@ -239,7 +240,7 @@ static int sis5595_transaction(struct i2c_adapter *adap)
 
 	/* We will always wait for a fraction of a second! */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = sis5595_read(SMB_STS_LO);
 	} while (!(temp & 0x40) && (timeout++ < MAX_TIMEOUT));
 
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index b7823c260364..437ee28d3669 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -51,6 +51,7 @@
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
@@ -165,7 +166,7 @@ static int sis630_transaction_wait(struct i2c_adapter *adap, int size)
 
 	/* We will always wait for a fraction of a second! */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = sis630_read(SMB_STS);
 		/* check if block transmitted */
 		if (size == SIS630_BLOCK_DATA && (temp & 0x10))
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index 7c053abcea7a..c71daa347008 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -36,6 +36,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
+#include <linux/delay.h>
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/ioport.h>
@@ -139,7 +140,7 @@ static int sis96x_transaction(int size)
 
 	/* We will always wait for a fraction of a second! */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = sis96x_read(SMB_STS);
 	} while (!(temp & 0x0e) && (timeout++ < MAX_TIMEOUT));
 
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index fc207253d203..fbd4a15d881c 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -35,6 +35,7 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/stddef.h>
@@ -138,7 +139,7 @@ static int vt596_transaction(void)
 	/* We will always wait for a fraction of a second! 
 	   I don't know if VIA needs this, Intel did  */
 	do {
-		i2c_delay(1);
+		msleep(1);
 		temp = inb_p(SMBHSTSTS);
 	} while ((temp & 0x01) && (timeout++ < MAX_TIMEOUT));
 
diff --git a/drivers/i2c/chips/w83l785ts.c b/drivers/i2c/chips/w83l785ts.c
index bb7abd315c72..52118f9bf11f 100644
--- a/drivers/i2c/chips/w83l785ts.c
+++ b/drivers/i2c/chips/w83l785ts.c
@@ -32,6 +32,7 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
@@ -284,7 +285,7 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
 		if (value >= 0)
 			return value;
 		dev_dbg(&client->dev, "Read failed, will retry in %d.\n", i);
-		i2c_delay(i);
+		msleep(i);
 	}
 
 	dev_err(&client->dev, "Couldn't read value from register. "
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 969044dd3f7f..0c3cf0e2fbca 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -601,11 +601,4 @@ union i2c_smbus_data {
 #define i2c_is_isa_adapter(adapptr) \
         ((adapptr)->algo->id == I2C_ALGO_ISA)
 
-/* Tiny delay function used by the i2c bus drivers */
-static inline void i2c_delay(signed long timeout)
-{
-	set_current_state(TASK_INTERRUPTIBLE);
-	schedule_timeout(timeout);
-}
-
 #endif /* _LINUX_I2C_H */
-- 
2.30.9