i2c: Use str_read_write() helper

JIRA: https://issues.redhat.com/browse/RHEL-116016

commit 17b7d78
Author: Yumeng Fang <fang.yumeng@zte.com.cn>
Date: Fri, 23 May 2025 16:54:45 +0800

  Remove hard-coded strings by using the str_read_write() helper.

  Signed-off-by: Yumeng Fang <fang.yumeng@zte.com.cn>
  Signed-off-by: Yunjian Long <long.yunjian@zte.com.cn>
  Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Signed-off-by: Desnes Nunes <desnesn@redhat.com>

Author: Desnes Nunes

drivers/i2c/algos/i2c-algo-pcf.c

@@ -19,6 +19,7 @@
 #include <linux/errno.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-pcf.h>
+#include <linux/string_choices.h>
 #include "i2c-algo-pcf.h"
 
 
@@ -316,7 +317,7 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		pmsg = &msgs[i];
 
 		DEB2(printk(KERN_DEBUG "i2c-algo-pcf.o: Doing %s %d bytes to 0x%02x - %d of %d messages\n",
-		     pmsg->flags & I2C_M_RD ? "read" : "write",
+		     str_read_write(pmsg->flags & I2C_M_RD),
 		     pmsg->len, pmsg->addr, i + 1, num);)
 
 		ret = pcf_doAddress(adap, pmsg);

drivers/i2c/busses/i2c-at91-master.c

@@ -27,6 +27,7 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/string_choices.h>
 
 #include "i2c-at91.h"
 
@@ -524,7 +525,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev)
 	 */
 
 	dev_dbg(dev->dev, "transfer: %s %zu bytes.\n",
-		(dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len);
+		str_read_write(dev->msg->flags & I2C_M_RD), dev->buf_len);
 
 	reinit_completion(&dev->cmd_complete);
 	dev->transfer_status = 0;

drivers/i2c/busses/i2c-sh_mobile.c

@@ -24,6 +24,7 @@
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 
 /* Transmit operation:                                                      */
 /*                                                                          */
@@ -409,7 +410,7 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id)
 	pd->sr |= sr; /* remember state */
 
 	dev_dbg(pd->dev, "i2c_isr 0x%02x 0x%02x %s %d %d!\n", sr, pd->sr,
-	       (pd->msg->flags & I2C_M_RD) ? "read" : "write",
+	       str_read_write(pd->msg->flags & I2C_M_RD),
 	       pd->pos, pd->msg->len);
 
 	/* Kick off TxDMA after preface was done */

drivers/i2c/busses/i2c-tiny-usb.c

@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 #include <linux/types.h>
 
 /* include interfaces to usb layer */
@@ -73,7 +74,7 @@ static int usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num)
 
 		dev_dbg(&adapter->dev,
 			"  %d: %s (flags %d) %d bytes to 0x%02x\n",
-			i, pmsg->flags & I2C_M_RD ? "read" : "write",
+			i, str_read_write(pmsg->flags & I2C_M_RD),
 			pmsg->flags, pmsg->len, pmsg->addr);
 
 		/* and directly send the message */

drivers/i2c/busses/i2c-viperboard.c

@@ -11,6 +11,7 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 #include <linux/types.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
@@ -280,7 +281,7 @@ static int vprbrd_i2c_xfer(struct i2c_adapter *i2c, struct i2c_msg *msgs,
 
 		dev_dbg(&i2c->dev,
 			"  %d: %s (flags %d) %d bytes to 0x%02x\n",
-			i, pmsg->flags & I2C_M_RD ? "read" : "write",
+			i, str_read_write(pmsg->flags & I2C_M_RD),
 			pmsg->flags, pmsg->len, pmsg->addr);
 
 		mutex_lock(&vb->lock);

drivers/i2c/i2c-core-base.c

@@ -41,6 +41,7 @@
 #include <linux/property.h>
 #include <linux/rwsem.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 
 #include "i2c-core.h"
 
@@ -2027,7 +2028,7 @@ static int i2c_quirk_error(struct i2c_adapter *adap, struct i2c_msg *msg, char *
 {
 	dev_err_ratelimited(&adap->dev, "adapter quirk: %s (addr 0x%04x, size %u, %s)\n",
 			    err_msg, msg->addr, msg->len,
-			    msg->flags & I2C_M_RD ? "read" : "write");
+			    str_read_write(msg->flags & I2C_M_RD));
 	return -EOPNOTSUPP;
 }
 

drivers/i2c/i2c-core-smbus.c

@@ -16,6 +16,7 @@
 #include <linux/i2c-smbus.h>
 #include <linux/property.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 
 #include "i2c-core.h"
 
@@ -433,7 +434,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,
 	case I2C_SMBUS_I2C_BLOCK_DATA:
 		if (data->block[0] > I2C_SMBUS_BLOCK_MAX) {
 			dev_err(&adapter->dev, "Invalid block %s size %d\n",
-				read_write == I2C_SMBUS_READ ? "read" : "write",
+				str_read_write(read_write == I2C_SMBUS_READ),
 				data->block[0]);
 			return -EINVAL;
 		}