From f6405a382e0fc5c260af87336e5d9fd33245b148 Mon Sep 17 00:00:00 2001 From: Robert Hancock Date: Thu, 27 Jan 2022 11:50:13 -0600 Subject: [PATCH] i2c: xiic: Make bus names unique [ Upstream commit 1d366c2f9df8279df2adbb60471f86fc40a1c39e ] This driver is for an FPGA logic core, so there can be arbitrarily many instances of the bus on a given system. Previously all of the I2C bus names were "xiic-i2c" which caused issues with lm_sensors when trying to map human-readable names to sensor inputs because it could not properly distinguish the busses, for example. Append the platform device name to the I2C bus name so it is unique between different instances. Fixes: e1d5b6598cdc ("i2c: Add support for Xilinx XPS IIC Bus Interface") Signed-off-by: Robert Hancock Tested-by: Michal Simek Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 8d6b6eeef71c..52acb185a29c 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -724,7 +724,6 @@ static const struct i2c_adapter_quirks xiic_quirks = { static const struct i2c_adapter xiic_adapter = { .owner = THIS_MODULE, - .name = DRIVER_NAME, .class = I2C_CLASS_DEPRECATED, .algo = &xiic_algorithm, .quirks = &xiic_quirks, @@ -761,6 +760,8 @@ static int xiic_i2c_probe(struct platform_device *pdev) i2c_set_adapdata(&i2c->adap, i2c); i2c->adap.dev.parent = &pdev->dev; i2c->adap.dev.of_node = pdev->dev.of_node; + snprintf(i2c->adap.name, sizeof(i2c->adap.name), + DRIVER_NAME " %s", pdev->name); mutex_init(&i2c->lock); init_waitqueue_head(&i2c->wait);