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Message-ID: <20231120214624.9378-6-hkallweit1@gmail.com>
Date: Mon, 20 Nov 2023 22:46:08 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Wolfram Sang <wsa@...nel.org>, Helge Deller <deller@....de>
Cc: linux-i2c@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v4 05/20] drivers/video/fbdev: remove I2C_CLASS_DDC support
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 <deller@....de>
Signed-off-by: Heiner Kallweit <hkallweit1@...il.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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