i2c/tps65010: New-style driver updates, part 1

Prepare to convert tps65010 driver to "new style" driver by changing
how it references the i2c_client.  This lets the eventual patch with
driver and platform updates be smaller.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 69 insertions, 66 deletions

diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index 503ffec2ce07..402d911a9e7b 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -79,7 +79,8 @@ enum tps_model {
 };
 
 struct tps65010 {
-        struct i2c_client       client;
+        struct i2c_client       c;
+        struct i2c_client       *client;
         struct mutex            lock;
         int                     irq;
         struct delayed_work     work;
@@ -229,22 +230,22 @@ static int dbg_show(struct seq_file *s, void *_)
         /* registers for monitoring battery charging and status; note
          * that reading chgstat and regstat may ack IRQs...
          */
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG);
         dbg_chgconf(tps->por, buf, sizeof buf, value);
         seq_printf(s, "chgconfig %s", buf);
 
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS);
         dbg_chgstat(buf, sizeof buf, value);
         seq_printf(s, "chgstat   %s", buf);
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_MASK1);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_MASK1);
         dbg_chgstat(buf, sizeof buf, value);
         seq_printf(s, "mask1     %s", buf);
         /* ignore ackint1 */
 
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS);
         dbg_regstat(buf, sizeof buf, value);
         seq_printf(s, "regstat   %s", buf);
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_MASK2);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_MASK2);
         dbg_regstat(buf, sizeof buf, value);
         seq_printf(s, "mask2     %s\n", buf);
         /* ignore ackint2 */
@@ -253,21 +254,21 @@ static int dbg_show(struct seq_file *s, void *_)
 
 
         /* VMAIN voltage, enable lowpower, etc */
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC1);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1);
         seq_printf(s, "vdcdc1    %02x\n", value);
 
         /* VCORE voltage, vibrator on/off */
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC2);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC2);
         seq_printf(s, "vdcdc2    %02x\n", value);
 
         /* both LD0s, and their lowpower behavior */
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_VREGS1);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_VREGS1);
         seq_printf(s, "vregs1    %02x\n\n", value);
 
 
         /* LEDs and GPIOs */
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_LED1_ON);
-        v2 = i2c_smbus_read_byte_data(&tps->client, TPS_LED1_PER);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_LED1_ON);
+        v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED1_PER);
         seq_printf(s, "led1 %s, on=%02x, per=%02x, %d/%d msec\n",
                 (value & 0x80)
                         ? ((v2 & 0x80) ? "on" : "off")
@@ -275,8 +276,8 @@ static int dbg_show(struct seq_file *s, void *_)
                 value, v2,
                 (value & 0x7f) * 10, (v2 & 0x7f) * 100);
 
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_LED2_ON);
-        v2 = i2c_smbus_read_byte_data(&tps->client, TPS_LED2_PER);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_LED2_ON);
+        v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED2_PER);
         seq_printf(s, "led2 %s, on=%02x, per=%02x, %d/%d msec\n",
                 (value & 0x80)
                         ? ((v2 & 0x80) ? "on" : "off")
@@ -284,8 +285,8 @@ static int dbg_show(struct seq_file *s, void *_)
                 value, v2,
                 (value & 0x7f) * 10, (v2 & 0x7f) * 100);
 
-        value = i2c_smbus_read_byte_data(&tps->client, TPS_DEFGPIO);
-        v2 = i2c_smbus_read_byte_data(&tps->client, TPS_MASK3);
+        value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO);
+        v2 = i2c_smbus_read_byte_data(tps->client, TPS_MASK3);
         seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2);
 
         for (i = 0; i < 4; i++) {
@@ -335,7 +336,7 @@ static void tps65010_interrupt(struct tps65010 *tps)
 
         /* regstatus irqs */
         if (tps->nmask2) {
-                tmp = i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS);
+                tmp = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS);
                 mask = tmp ^ tps->regstatus;
                 tps->regstatus = tmp;
                 mask &= tps->nmask2;
@@ -362,7 +363,7 @@ static void tps65010_interrupt(struct tps65010 *tps)
 
         /* chgstatus irqs */
         if (tps->nmask1) {
-                tmp = i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS);
+                tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS);
                 mask = tmp ^ tps->chgstatus;
                 tps->chgstatus = tmp;
                 mask &= tps->nmask1;
@@ -426,7 +427,7 @@ static void tps65010_work(struct work_struct *work)
                 int     status;
                 u8      chgconfig, tmp;
 
-                chgconfig = i2c_smbus_read_byte_data(&tps->client,
+                chgconfig = i2c_smbus_read_byte_data(tps->client,
                                         TPS_CHGCONFIG);
                 chgconfig &= ~(TPS_VBUS_500MA | TPS_VBUS_CHARGING);
                 if (tps->vbus == 500)
@@ -434,11 +435,11 @@ static void tps65010_work(struct work_struct *work)
                 else if (tps->vbus >= 100)
                         chgconfig |= TPS_VBUS_CHARGING;
 
-                status = i2c_smbus_write_byte_data(&tps->client,
+                status = i2c_smbus_write_byte_data(tps->client,
                                 TPS_CHGCONFIG, chgconfig);
 
                 /* vbus update fails unless VBUS is connected! */
-                tmp = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG);
+                tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG);
                 tps->chgconf = tmp;
                 show_chgconfig(tps->por, "update vbus", tmp);
         }
@@ -467,7 +468,7 @@ static int __exit tps65010_detach_client(struct i2c_client *client)
 {
         struct tps65010         *tps;
 
-        tps = container_of(client, struct tps65010, client);
+        tps = container_of(client, struct tps65010, c);
         free_irq(tps->irq, tps);
 #ifdef  CONFIG_ARM
         if (machine_is_omap_h2())
@@ -499,6 +500,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
         struct tps65010         *tps;
         int                     status;
         unsigned long           irqflags;
+        struct i2c_client       *client;
 
         if (the_tps) {
                 dev_dbg(&bus->dev, "only one %s for now\n", DRIVER_NAME);
@@ -512,12 +514,13 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
         mutex_init(&tps->lock);
         INIT_DELAYED_WORK(&tps->work, tps65010_work);
         tps->irq = -1;
-        tps->client.addr = address;
-        tps->client.adapter = bus;
-        tps->client.driver = &tps65010_driver;
-        strlcpy(tps->client.name, DRIVER_NAME, I2C_NAME_SIZE);
+        tps->c.addr = address;
+        tps->c.adapter = bus;
+        tps->c.driver = &tps65010_driver;
+        strlcpy(tps->c.name, DRIVER_NAME, I2C_NAME_SIZE);
+        tps->client = client = &tps->c;
 
-        status = i2c_attach_client(&tps->client);
+        status = i2c_attach_client(client);
         if (status < 0) {
                 dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n",
                                 DRIVER_NAME, address, status);
@@ -556,9 +559,9 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
                 status = request_irq(tps->irq, tps65010_irq,
                         irqflags, DRIVER_NAME, tps);
                 if (status < 0) {
-                        dev_dbg(&tps->client.dev, "can't get IRQ %d, err %d\n",
+                        dev_dbg(&client->dev, "can't get IRQ %d, err %d\n",
                                         tps->irq, status);
-                        i2c_detach_client(&tps->client);
+                        i2c_detach_client(client);
                         goto fail1;
                 }
 #ifdef  CONFIG_ARM
@@ -583,21 +586,21 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
                 break;
         /* else CHGCONFIG.POR is replaced by AUA, enabling a WAIT mode */
         }
-        tps->chgconf = i2c_smbus_read_byte_data(&tps->client, TPS_CHGCONFIG);
+        tps->chgconf = i2c_smbus_read_byte_data(client, TPS_CHGCONFIG);
         show_chgconfig(tps->por, "conf/init", tps->chgconf);
 
         show_chgstatus("chg/init",
-                i2c_smbus_read_byte_data(&tps->client, TPS_CHGSTATUS));
+                i2c_smbus_read_byte_data(client, TPS_CHGSTATUS));
         show_regstatus("reg/init",
-                i2c_smbus_read_byte_data(&tps->client, TPS_REGSTATUS));
+                i2c_smbus_read_byte_data(client, TPS_REGSTATUS));
 
         pr_debug("%s: vdcdc1 0x%02x, vdcdc2 %02x, vregs1 %02x\n", DRIVER_NAME,
-                i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC1),
-                i2c_smbus_read_byte_data(&tps->client, TPS_VDCDC2),
-                i2c_smbus_read_byte_data(&tps->client, TPS_VREGS1));
+                i2c_smbus_read_byte_data(client, TPS_VDCDC1),
+                i2c_smbus_read_byte_data(client, TPS_VDCDC2),
+                i2c_smbus_read_byte_data(client, TPS_VREGS1));
         pr_debug("%s: defgpio 0x%02x, mask3 0x%02x\n", DRIVER_NAME,
-                i2c_smbus_read_byte_data(&tps->client, TPS_DEFGPIO),
-                i2c_smbus_read_byte_data(&tps->client, TPS_MASK3));
+                i2c_smbus_read_byte_data(client, TPS_DEFGPIO),
+                i2c_smbus_read_byte_data(client, TPS_MASK3));
 
         tps65010_driver.attach_adapter = tps65010_noscan;
         the_tps = tps;
@@ -615,15 +618,15 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
          * registers, and maybe disable VBUS draw.
          */
         tps->nmask1 = ~0;
-        (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK1, ~tps->nmask1);
+        (void) i2c_smbus_write_byte_data(client, TPS_MASK1, ~tps->nmask1);
 
         tps->nmask2 = TPS_REG_ONOFF;
         if (tps->model == TPS65013)
                 tps->nmask2 |= TPS_REG_NO_CHG;
-        (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK2, ~tps->nmask2);
+        (void) i2c_smbus_write_byte_data(client, TPS_MASK2, ~tps->nmask2);
 
-        (void) i2c_smbus_write_byte_data(&tps->client, TPS_MASK3, 0x0f
-                | i2c_smbus_read_byte_data(&tps->client, TPS_MASK3));
+        (void) i2c_smbus_write_byte_data(client, TPS_MASK3, 0x0f
+                | i2c_smbus_read_byte_data(client, TPS_MASK3));
 
         tps65010_work(&tps->work.work);
 
@@ -702,7 +705,7 @@ int tps65010_set_gpio_out_value(unsigned gpio, unsigned value)
 
         mutex_lock(&the_tps->lock);
 
-        defgpio = i2c_smbus_read_byte_data(&the_tps->client, TPS_DEFGPIO);
+        defgpio = i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO);
 
         /* Configure GPIO for output */
         defgpio |= 1 << (gpio + 3);
@@ -718,12 +721,12 @@ int tps65010_set_gpio_out_value(unsigned gpio, unsigned value)
                 break;
         }
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                 TPS_DEFGPIO, defgpio);
 
         pr_debug("%s: gpio%dout = %s, defgpio 0x%02x\n", DRIVER_NAME,
                 gpio, value ? "high" : "low",
-                i2c_smbus_read_byte_data(&the_tps->client, TPS_DEFGPIO));
+                i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO));
 
         mutex_unlock(&the_tps->lock);
         return status;
@@ -753,11 +756,11 @@ int tps65010_set_led(unsigned led, unsigned mode)
         mutex_lock(&the_tps->lock);
 
         pr_debug("%s: led%i_on   0x%02x\n", DRIVER_NAME, led,
-                i2c_smbus_read_byte_data(&the_tps->client,
+                i2c_smbus_read_byte_data(the_tps->client,
                                 TPS_LED1_ON + offs));
 
         pr_debug("%s: led%i_per  0x%02x\n", DRIVER_NAME, led,
-                i2c_smbus_read_byte_data(&the_tps->client,
+                i2c_smbus_read_byte_data(the_tps->client,
                                 TPS_LED1_PER + offs));
 
         switch (mode) {
@@ -780,7 +783,7 @@ int tps65010_set_led(unsigned led, unsigned mode)
                 return -EINVAL;
         }
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_LED1_ON + offs, led_on);
 
         if (status != 0) {
@@ -791,9 +794,9 @@ int tps65010_set_led(unsigned led, unsigned mode)
         }
 
         pr_debug("%s: led%i_on   0x%02x\n", DRIVER_NAME, led,
-                i2c_smbus_read_byte_data(&the_tps->client, TPS_LED1_ON + offs));
+                i2c_smbus_read_byte_data(the_tps->client, TPS_LED1_ON + offs));
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_LED1_PER + offs, led_per);
 
         if (status != 0) {
@@ -804,7 +807,7 @@ int tps65010_set_led(unsigned led, unsigned mode)
         }
 
         pr_debug("%s: led%i_per  0x%02x\n", DRIVER_NAME, led,
-                i2c_smbus_read_byte_data(&the_tps->client,
+                i2c_smbus_read_byte_data(the_tps->client,
                                 TPS_LED1_PER + offs));
 
         mutex_unlock(&the_tps->lock);
@@ -827,11 +830,11 @@ int tps65010_set_vib(unsigned value)
 
         mutex_lock(&the_tps->lock);
 
-        vdcdc2 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC2);
+        vdcdc2 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC2);
         vdcdc2 &= ~(1 << 1);
         if (value)
                 vdcdc2 |= (1 << 1);
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                 TPS_VDCDC2, vdcdc2);
 
         pr_debug("%s: vibrator %s\n", DRIVER_NAME, value ? "on" : "off");
@@ -857,9 +860,9 @@ int tps65010_set_low_pwr(unsigned mode)
 
         pr_debug("%s: %s low_pwr, vdcdc1 0x%02x\n", DRIVER_NAME,
                 mode ? "enable" : "disable",
-                i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1));
+                i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
 
-        vdcdc1 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1);
+        vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1);
 
         switch (mode) {
         case OFF:
@@ -871,7 +874,7 @@ int tps65010_set_low_pwr(unsigned mode)
                 break;
         }
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_VDCDC1, vdcdc1);
 
         if (status != 0)
@@ -879,7 +882,7 @@ int tps65010_set_low_pwr(unsigned mode)
                         DRIVER_NAME);
         else
                 pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME,
-                        i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1));
+                        i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
 
         mutex_unlock(&the_tps->lock);
 
@@ -902,9 +905,9 @@ int tps65010_config_vregs1(unsigned value)
         mutex_lock(&the_tps->lock);
 
         pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
-                        i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1));
+                        i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1));
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_VREGS1, value);
 
         if (status != 0)
@@ -912,7 +915,7 @@ int tps65010_config_vregs1(unsigned value)
                         DRIVER_NAME);
         else
                 pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME,
-                        i2c_smbus_read_byte_data(&the_tps->client, TPS_VREGS1));
+                        i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1));
 
         mutex_unlock(&the_tps->lock);
 
@@ -941,11 +944,11 @@ int tps65013_set_low_pwr(unsigned mode)
         pr_debug("%s: %s low_pwr, chgconfig 0x%02x vdcdc1 0x%02x\n",
                 DRIVER_NAME,
                 mode ? "enable" : "disable",
-                i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG),
-                i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1));
+                i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG),
+                i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
 
-        chgconfig = i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG);
-        vdcdc1 = i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1);
+        chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG);
+        vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1);
 
         switch (mode) {
         case OFF:
@@ -959,7 +962,7 @@ int tps65013_set_low_pwr(unsigned mode)
                 break;
         }
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_CHGCONFIG, chgconfig);
         if (status != 0) {
                 printk(KERN_ERR "%s: Failed to write chconfig register\n",
@@ -968,11 +971,11 @@ int tps65013_set_low_pwr(unsigned mode)
                 return status;
         }
 
-        chgconfig = i2c_smbus_read_byte_data(&the_tps->client, TPS_CHGCONFIG);
+        chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG);
         the_tps->chgconf = chgconfig;
         show_chgconfig(0, "chgconf", chgconfig);
 
-        status = i2c_smbus_write_byte_data(&the_tps->client,
+        status = i2c_smbus_write_byte_data(the_tps->client,
                         TPS_VDCDC1, vdcdc1);
 
         if (status != 0)
@@ -980,7 +983,7 @@ int tps65013_set_low_pwr(unsigned mode)
          DRIVER_NAME);
         else
                 pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME,
-                        i2c_smbus_read_byte_data(&the_tps->client, TPS_VDCDC1));
+                        i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1));
 
         mutex_unlock(&the_tps->lock);