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i2c: mux: reg: Remove class-based device auto-detection support

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Legacy class-based device auto-detection shouldn't be used in new code.
Therefore remove support in i2c-mux-reg as long as we don't have a
user of this feature yet.

Link: https://lore.kernel.org/linux-i2c/a22978a4-88e4-46f4-b71c-032b22321599@gmail.com/
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Heiner Kallweit 2023-11-08 07:38:07 +01:00 • committed by Wolfram Sang
parent 94959c0e79
commit a8355235db
2 changed files with 1 additions and 5 deletions
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4
drivers/i2c/muxes/i2c-mux-reg.c
View file

@ -159,7 +159,6 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
struct regmux *mux;
struct i2c_adapter *parent;
struct resource *res;
unsigned int class;
int i, ret, nr;
mux = devm_kzalloc(&pdev->dev, sizeof(*mux), GFP_KERNEL);
@ -213,9 +212,8 @@ static int i2c_mux_reg_probe(struct platform_device *pdev)
for (i = 0; i < mux->data.n_values; i++) {
nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0;
class = mux->data.classes ? mux->data.classes[i] : 0;
ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], class);
ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0);
if (ret)
goto err_del_mux_adapters;
}

2
include/linux/platform_data/i2c-mux-reg.h
View file

@ -17,7 +17,6 @@
* @n_values: Number of multiplexer channels
* @little_endian: Indicating if the register is in little endian
* @write_only: Reading the register is not allowed by hardware
* @classes: Optional I2C auto-detection classes
* @idle: Value to write to mux when idle
* @idle_in_use: indicate if idle value is in use
* @reg: Virtual address of the register to switch channel
@ -30,7 +29,6 @@ struct i2c_mux_reg_platform_data {
int n_values;
bool little_endian;
bool write_only;
const unsigned int *classes;
u32 idle;
bool idle_in_use;
void __iomem *reg;