After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in
olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC.
Class-based device auto-detection is a legacy mechanism and shouldn't
be used in new code. So we can remove this class completely now.

Preferably this series should be applied via the i2c tree.

Acked-by: Helge Deller <del...@gmx.de>
Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
---
v3:
 - fix compile error
---
 drivers/video/fbdev/i740fb.c              |  1 -
 drivers/video/fbdev/matrox/i2c-matroxfb.c | 15 +++++----------
 drivers/video/fbdev/s3fb.c                |  1 -
 drivers/video/fbdev/tdfxfb.c              |  1 -
 drivers/video/fbdev/tridentfb.c           |  1 -
 5 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 1897e65ab..9b74dae71 100644
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -163,7 +163,6 @@ static int i740fb_setup_ddc_bus(struct fb_info *info)
        strscpy(par->ddc_adapter.name, info->fix.id,
                sizeof(par->ddc_adapter.name));
        par->ddc_adapter.owner          = THIS_MODULE;
-       par->ddc_adapter.class          = I2C_CLASS_DDC;
        par->ddc_adapter.algo_data      = &par->ddc_algo;
        par->ddc_adapter.dev.parent     = info->device;
        par->ddc_algo.setsda            = i740fb_ddc_setsda;
diff --git a/drivers/video/fbdev/matrox/i2c-matroxfb.c 
b/drivers/video/fbdev/matrox/i2c-matroxfb.c
index e2e4705e3..bb048e14b 100644
--- a/drivers/video/fbdev/matrox/i2c-matroxfb.c
+++ b/drivers/video/fbdev/matrox/i2c-matroxfb.c
@@ -100,8 +100,7 @@ static const struct i2c_algo_bit_data 
matrox_i2c_algo_template =
 };
 
 static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* 
minfo, 
-               unsigned int data, unsigned int clock, const char *name,
-               int class)
+               unsigned int data, unsigned int clock, const char *name)
 {
        int err;
 
@@ -112,7 +111,6 @@ static int i2c_bus_reg(struct i2c_bit_adapter* b, struct 
matrox_fb_info* minfo,
        snprintf(b->adapter.name, sizeof(b->adapter.name), name,
                minfo->fbcon.node);
        i2c_set_adapdata(&b->adapter, b);
-       b->adapter.class = class;
        b->adapter.algo_data = &b->bac;
        b->adapter.dev.parent = &minfo->pcidev->dev;
        b->bac = matrox_i2c_algo_template;
@@ -160,27 +158,24 @@ static void* i2c_matroxfb_probe(struct matrox_fb_info* 
minfo) {
                case MGA_2164:
                        err = i2c_bus_reg(&m2info->ddc1, minfo,
                                          DDC1B_DATA, DDC1B_CLK,
-                                         "DDC:fb%u #0", I2C_CLASS_DDC);
+                                         "DDC:fb%u #0");
                        break;
                default:
                        err = i2c_bus_reg(&m2info->ddc1, minfo,
                                          DDC1_DATA, DDC1_CLK,
-                                         "DDC:fb%u #0", I2C_CLASS_DDC);
+                                         "DDC:fb%u #0");
                        break;
        }
        if (err)
                goto fail_ddc1;
        if (minfo->devflags.dualhead) {
-               err = i2c_bus_reg(&m2info->ddc2, minfo,
-                                 DDC2_DATA, DDC2_CLK,
-                                 "DDC:fb%u #1", I2C_CLASS_DDC);
+               err = i2c_bus_reg(&m2info->ddc2, minfo, DDC2_DATA, DDC2_CLK, 
"DDC:fb%u #1");
                if (err == -ENODEV) {
                        printk(KERN_INFO "i2c-matroxfb: VGA->TV plug detected, 
DDC unavailable.\n");
                } else if (err)
                        printk(KERN_INFO "i2c-matroxfb: Could not register 
secondary output i2c bus. Continuing anyway.\n");
                /* Register maven bus even on G450/G550 */
-               err = i2c_bus_reg(&m2info->maven, minfo,
-                                 MAT_DATA, MAT_CLK, "MAVEN:fb%u", 0);
+               err = i2c_bus_reg(&m2info->maven, minfo, MAT_DATA, MAT_CLK, 
"MAVEN:fb%u");
                if (err)
                        printk(KERN_INFO "i2c-matroxfb: Could not register 
Maven i2c bus. Continuing anyway.\n");
                else {
diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c
index 589b349cb..07722a5ea 100644
--- a/drivers/video/fbdev/s3fb.c
+++ b/drivers/video/fbdev/s3fb.c
@@ -252,7 +252,6 @@ static int s3fb_setup_ddc_bus(struct fb_info *info)
        strscpy(par->ddc_adapter.name, info->fix.id,
                sizeof(par->ddc_adapter.name));
        par->ddc_adapter.owner          = THIS_MODULE;
-       par->ddc_adapter.class          = I2C_CLASS_DDC;
        par->ddc_adapter.algo_data      = &par->ddc_algo;
        par->ddc_adapter.dev.parent     = info->device;
        par->ddc_algo.setsda            = s3fb_ddc_setsda;
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c
index 22aa95313..51ebe7835 100644
--- a/drivers/video/fbdev/tdfxfb.c
+++ b/drivers/video/fbdev/tdfxfb.c
@@ -1267,7 +1267,6 @@ static int tdfxfb_setup_ddc_bus(struct tdfxfb_i2c_chan 
*chan, const char *name,
 
        strscpy(chan->adapter.name, name, sizeof(chan->adapter.name));
        chan->adapter.owner             = THIS_MODULE;
-       chan->adapter.class             = I2C_CLASS_DDC;
        chan->adapter.algo_data         = &chan->algo;
        chan->adapter.dev.parent        = dev;
        chan->algo.setsda               = tdfxfb_ddc_setsda;
diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 816d40b6f..516cf2a18 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -274,7 +274,6 @@ static int tridentfb_setup_ddc_bus(struct fb_info *info)
        strscpy(par->ddc_adapter.name, info->fix.id,
                sizeof(par->ddc_adapter.name));
        par->ddc_adapter.owner          = THIS_MODULE;
-       par->ddc_adapter.class          = I2C_CLASS_DDC;
        par->ddc_adapter.algo_data      = &par->ddc_algo;
        par->ddc_adapter.dev.parent     = info->device;
        if (is_oldclock(par->chip_id)) { /* not sure if this check is OK */
-- 
2.42.1

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