From b8caf0a0e04583fb71e21495bef84509182227ea Mon Sep 17 00:00:00 2001 From: Martin Tůma Date: Tue, 18 Oct 2022 16:03:37 +0200 Subject: i2c: xiic: Add platform module alias MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The missing "platform" alias is required for the mgb4 v4l2 driver to load the i2c controller driver when probing the HW. Signed-off-by: Martin Tůma Acked-by: Michal Simek Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-xiic.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/i2c/busses') diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index b3fe6b2aa3ca..277a02455cdd 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -920,6 +920,7 @@ static struct platform_driver xiic_i2c_driver = { module_platform_driver(xiic_i2c_driver); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_AUTHOR("info@mocean-labs.com"); MODULE_DESCRIPTION("Xilinx I2C bus driver"); MODULE_LICENSE("GPL v2"); -- cgit From 61775d54d674ff8ec3658495e0dbc537227dc5c1 Mon Sep 17 00:00:00 2001 From: Bryan O'Donoghue Date: Tue, 18 Oct 2022 03:19:20 +0100 Subject: i2c: qcom-cci: Fix ordering of pm_runtime_xx and i2c_add_adapter When we compile-in the CCI along with the imx412 driver and run on the RB5 we see that i2c_add_adapter() causes the probe of the imx412 driver to happen. This probe tries to perform an i2c xfer() and the xfer() in i2c-qcom-cci.c fails on pm_runtime_get() because the i2c-qcom-cci.c::probe() function has not completed to pm_runtime_enable(dev). Fix this sequence by ensuring pm_runtime_xxx() calls happen prior to adding the i2c adapter. Fixes: e517526195de ("i2c: Add Qualcomm CCI I2C driver") Reported-by: Vladimir Zapolskiy Reviewed-by: Vladimir Zapolskiy Tested-by: Vladimir Zapolskiy Cc: Signed-off-by: Bryan O'Donoghue Reviewed-by: Robert Foss Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-qcom-cci.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'drivers/i2c/busses') diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c index 87739fb4388b..a4b97fe3c3a5 100644 --- a/drivers/i2c/busses/i2c-qcom-cci.c +++ b/drivers/i2c/busses/i2c-qcom-cci.c @@ -639,6 +639,11 @@ static int cci_probe(struct platform_device *pdev) if (ret < 0) goto error; + pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC); + pm_runtime_use_autosuspend(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + for (i = 0; i < cci->data->num_masters; i++) { if (!cci->master[i].cci) continue; @@ -650,14 +655,12 @@ static int cci_probe(struct platform_device *pdev) } } - pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC); - pm_runtime_use_autosuspend(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - return 0; error_i2c: + pm_runtime_disable(dev); + pm_runtime_dont_use_autosuspend(dev); + for (--i ; i >= 0; i--) { if (cci->master[i].cci) { i2c_del_adapter(&cci->master[i].adap); -- cgit From fdf23c62d98cda1d8935259dc7da3cc830a4bc6c Mon Sep 17 00:00:00 2001 From: Jiangshan Yi Date: Sun, 9 Oct 2022 15:19:23 +0800 Subject: i2c: fix spelling typos in comments Reported-by: k2ci Signed-off-by: Jiangshan Yi Reviewed-by: Jean Delvare # for sis630 Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-mlxcpld.c | 2 +- drivers/i2c/busses/i2c-sis630.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/i2c/busses') diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c index 72fcfb17dd67..081f51ef0551 100644 --- a/drivers/i2c/busses/i2c-mlxcpld.c +++ b/drivers/i2c/busses/i2c-mlxcpld.c @@ -40,7 +40,7 @@ #define MLXCPLD_LPCI2C_STATUS_REG 0x9 #define MLXCPLD_LPCI2C_DATA_REG 0xa -/* LPC I2C masks and parametres */ +/* LPC I2C masks and parameters */ #define MLXCPLD_LPCI2C_RST_SEL_MASK 0x1 #define MLXCPLD_LPCI2C_TRANS_END 0x1 #define MLXCPLD_LPCI2C_STATUS_NACK 0x10 diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index cfb8e04a2a83..87d56250d78a 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -97,7 +97,7 @@ MODULE_PARM_DESC(high_clock, module_param(force, bool, 0); MODULE_PARM_DESC(force, "Forcibly enable the SIS630. DANGEROUS!"); -/* SMBus base adress */ +/* SMBus base address */ static unsigned short smbus_base; /* supported chips */ -- cgit From 65d78b8d0405fcda02b69fd3c34327e4af5cd465 Mon Sep 17 00:00:00 2001 From: Adam Borowski Date: Mon, 10 Oct 2022 20:33:51 +0200 Subject: i2c: mlxbf: depend on ACPI; clean away ifdeffage This fixes maybe_unused warnings/errors. According to a comment during device tree removal, only ACPI is supported, thus let's actually require it. Fixes: be18c5ede25d ("i2c: mlxbf: remove device tree support") Signed-off-by: Adam Borowski Signed-off-by: Wolfram Sang --- drivers/i2c/busses/Kconfig | 1 + drivers/i2c/busses/i2c-mlxbf.c | 9 --------- 2 files changed, 1 insertion(+), 9 deletions(-) (limited to 'drivers/i2c/busses') diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 264e780ae32e..e50f9603d189 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -764,6 +764,7 @@ config I2C_LPC2K config I2C_MLXBF tristate "Mellanox BlueField I2C controller" depends on MELLANOX_PLATFORM && ARM64 + depends on ACPI select I2C_SLAVE help Enabling this option will add I2C SMBus support for Mellanox BlueField diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index e68e775f187e..1810d5791b3d 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -2247,7 +2247,6 @@ static struct i2c_adapter_quirks mlxbf_i2c_quirks = { .max_write_len = MLXBF_I2C_MASTER_DATA_W_LENGTH, }; -#ifdef CONFIG_ACPI static const struct acpi_device_id mlxbf_i2c_acpi_ids[] = { { "MLNXBF03", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_1] }, { "MLNXBF23", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_2] }, @@ -2282,12 +2281,6 @@ static int mlxbf_i2c_acpi_probe(struct device *dev, struct mlxbf_i2c_priv *priv) return 0; } -#else -static int mlxbf_i2c_acpi_probe(struct device *dev, struct mlxbf_i2c_priv *priv) -{ - return -ENOENT; -} -#endif /* CONFIG_ACPI */ static int mlxbf_i2c_probe(struct platform_device *pdev) { @@ -2490,9 +2483,7 @@ static struct platform_driver mlxbf_i2c_driver = { .remove = mlxbf_i2c_remove, .driver = { .name = "i2c-mlxbf", -#ifdef CONFIG_ACPI .acpi_match_table = ACPI_PTR(mlxbf_i2c_acpi_ids), -#endif /* CONFIG_ACPI */ }, }; -- cgit