diff mbox series

[v2,3/4] i2c: mux: gpio: Allow to call i2c_register_spd on a muxed segment

Message ID a239882a-5181-47a2-be83-44522f5b16cc@gmail.com
State New
Headers show
Series i2c: Support i2c_register_spd() on multiplexed bus segments | expand

Commit Message

Heiner Kallweit Jan. 13, 2024, 11:28 a.m. UTC 
Allow the gpio-based multiplexer to call i2c_register_spd on
muxed segments. First user will be i801.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/i2c/muxes/i2c-mux-gpio.c           | 1 +
 include/linux/platform_data/i2c-mux-gpio.h | 2 ++
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c
index 6b979a0a6..c841407c7 100644
--- a/drivers/i2c/muxes/i2c-mux-gpio.c
+++ b/drivers/i2c/muxes/i2c-mux-gpio.c
@@ -161,6 +161,7 @@  static int i2c_mux_gpio_probe(struct platform_device *pdev)
 	}
 	mux->gpios = muxc->priv;
 	muxc->priv = mux;
+	muxc->register_spd = mux->data.register_spd;
 
 	platform_set_drvdata(pdev, muxc);
 
diff --git a/include/linux/platform_data/i2c-mux-gpio.h b/include/linux/platform_data/i2c-mux-gpio.h
index 5e4c2c272..cbeb74f92 100644
--- a/include/linux/platform_data/i2c-mux-gpio.h
+++ b/include/linux/platform_data/i2c-mux-gpio.h
@@ -20,6 +20,7 @@ 
  * @n_values: Number of multiplexer positions (busses to instantiate)
  * @classes: Optional I2C auto-detection classes
  * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used
+ * @register_spd: call i2c_register_spd for the child adapters on muxed segments
  */
 struct i2c_mux_gpio_platform_data {
 	int parent;
@@ -28,6 +29,7 @@  struct i2c_mux_gpio_platform_data {
 	int n_values;
 	const unsigned *classes;
 	unsigned idle;
+	unsigned int register_spd:1;
 };
 
 #endif /* _LINUX_I2C_MUX_GPIO_H */