sonic-buildimage/platform/mellanox/non-upstream-patches/patches/0185-platform-mellanox-Extend-all-systems-with-I2C-notifi.patch

From 3a61ad447e2ec437079c86c277b80acde19e9173 Mon Sep 17 00:00:00 2001
From: Vadim Pasternak <vadimp@nvidia.com>
Date: Mon, 26 Dec 2022 22:28:33 +0200
Subject: [PATCH backport 5.10 073/150] platform: mellanox: Extend all systems
 with I2C notification callback

Motivation is to provide synchronization between I2C main bus and other
platform drivers using this notification callback.

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
---
 drivers/platform/x86/mlx-platform.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index 05a630135..1ef0bb975 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -365,6 +365,11 @@ static const struct resource mlxplat_lpc_resources[] = {
 			       IORESOURCE_IO),
 };
 
+/* Platform systems default i2c data */
+static struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_i2c_default_data = {
+	.completion_notify = mlxplat_i2c_main_complition_notify,
+};
+
 /* Platform i2c next generation systems data */
 static struct mlxreg_core_data mlxplat_mlxcpld_i2c_ng_items_data[] = {
 	{
@@ -5807,6 +5812,7 @@ static int __init mlxplat_dmi_default_matched(const struct dmi_system_id *dmi)
 	mlxplat_led = &mlxplat_default_led_data;
 	mlxplat_regs_io = &mlxplat_default_regs_io_data;
 	mlxplat_wd_data[0] = &mlxplat_mlxcpld_wd_set_type1[0];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 
 	return 1;
 }
@@ -5829,6 +5835,7 @@ static int __init mlxplat_dmi_default_wc_matched(const struct dmi_system_id *dmi
 	mlxplat_led = &mlxplat_default_led_wc_data;
 	mlxplat_regs_io = &mlxplat_default_regs_io_data;
 	mlxplat_wd_data[0] = &mlxplat_mlxcpld_wd_set_type1[0];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 
 	return 1;
 }
@@ -5876,6 +5883,7 @@ static int __init mlxplat_dmi_msn21xx_matched(const struct dmi_system_id *dmi)
 	mlxplat_led = &mlxplat_msn21xx_led_data;
 	mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data;
 	mlxplat_wd_data[0] = &mlxplat_mlxcpld_wd_set_type1[0];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 
 	return 1;
 }
@@ -5898,6 +5906,7 @@ static int __init mlxplat_dmi_msn274x_matched(const struct dmi_system_id *dmi)
 	mlxplat_led = &mlxplat_default_led_data;
 	mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data;
 	mlxplat_wd_data[0] = &mlxplat_mlxcpld_wd_set_type1[0];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 
 	return 1;
 }
@@ -5920,6 +5929,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi)
 	mlxplat_led = &mlxplat_msn21xx_led_data;
 	mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data;
 	mlxplat_wd_data[0] = &mlxplat_mlxcpld_wd_set_type1[0];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 
 	return 1;
 }
@@ -5969,6 +5979,7 @@ static int __init mlxplat_dmi_comex_matched(const struct dmi_system_id *dmi)
 	mlxplat_fan = &mlxplat_default_fan_data;
 	for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_wd_set_type2); i++)
 		mlxplat_wd_data[i] = &mlxplat_mlxcpld_wd_set_type2[i];
+	mlxplat_i2c = &mlxplat_mlxcpld_i2c_default_data;
 	mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config_comex;
 
 	return 1;
-- 
2.20.1