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authorLinus Torvalds <torvalds@linux-foundation.org>2023-03-08 11:56:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-03-08 11:56:45 -0800
commit55ee6646b6ba86574d1411af275c61a82fdfe10e (patch)
tree906025b03b6ca9c7ab390ba4acf461f6838ec37f /drivers
parent7fef099702527c3b2c5234a2ea6a24411485a13a (diff)
parent1a0009abfa7893b9cfcd3884658af1cbee6b26ce (diff)
Merge tag 'platform-drivers-x86-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede: "A small set of assorted bug and build/warning fixes" * tag 'platform-drivers-x86-v6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform: mellanox: mlx-platform: Initialize shift variable to 0 platform/x86: int3472: Add GPIOs to Surface Go 3 Board data platform/x86: ISST: Fix kernel documentation warnings platform: x86: MLX_PLATFORM: select REGMAP instead of depending on it platform: mellanox: select REGMAP instead of depending on it platform/x86/intel/tpmi: Fix double free reported by Smatch platform/x86: ISST: Increase range of valid mail box commands platform/x86: dell-ddv: Fix temperature scaling platform/x86: dell-ddv: Fix cache invalidation on resume platform/x86/amd: pmc: remove CONFIG_SUSPEND checks
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/mellanox/Kconfig9
-rw-r--r--drivers/platform/x86/Kconfig3
-rw-r--r--drivers/platform/x86/amd/pmc.c30
-rw-r--r--drivers/platform/x86/dell/dell-wmi-ddv.c12
-rw-r--r--drivers/platform/x86/intel/int3472/tps68470_board_data.c5
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_if_common.c5
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_if_common.h1
-rw-r--r--drivers/platform/x86/intel/tpmi.c14
-rw-r--r--drivers/platform/x86/mlx-platform.c2
9 files changed, 39 insertions, 42 deletions
diff --git a/drivers/platform/mellanox/Kconfig b/drivers/platform/mellanox/Kconfig
index 09c7829e95c4..382793e73a60 100644
--- a/drivers/platform/mellanox/Kconfig
+++ b/drivers/platform/mellanox/Kconfig
@@ -16,17 +16,17 @@ if MELLANOX_PLATFORM
config MLXREG_HOTPLUG
tristate "Mellanox platform hotplug driver support"
- depends on REGMAP
depends on HWMON
depends on I2C
+ select REGMAP
help
This driver handles hot-plug events for the power suppliers, power
cables and fans on the wide range Mellanox IB and Ethernet systems.
config MLXREG_IO
tristate "Mellanox platform register access driver support"
- depends on REGMAP
depends on HWMON
+ select REGMAP
help
This driver allows access to Mellanox programmable device register
space through sysfs interface. The sets of registers for sysfs access
@@ -36,9 +36,9 @@ config MLXREG_IO
config MLXREG_LC
tristate "Mellanox line card platform driver support"
- depends on REGMAP
depends on HWMON
depends on I2C
+ select REGMAP
help
This driver provides support for the Mellanox MSN4800-XX line cards,
which are the part of MSN4800 Ethernet modular switch systems
@@ -80,10 +80,9 @@ config MLXBF_PMC
config NVSW_SN2201
tristate "Nvidia SN2201 platform driver support"
- depends on REGMAP
depends on HWMON
depends on I2C
- depends on REGMAP_I2C
+ select REGMAP_I2C
help
This driver provides support for the Nvidia SN2201 platform.
The SN2201 is a highly integrated for one rack unit system with
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index ec7c2b4e1721..4a01b315e0a9 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -955,7 +955,8 @@ config SERIAL_MULTI_INSTANTIATE
config MLX_PLATFORM
tristate "Mellanox Technologies platform support"
- depends on I2C && REGMAP
+ depends on I2C
+ select REGMAP
help
This option enables system support for the Mellanox Technologies
platform. The Mellanox systems provide data center networking
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index ab05b9ee6655..2edaae04a691 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -171,9 +171,7 @@ MODULE_PARM_DESC(disable_workarounds, "Disable workarounds for platform bugs");
static struct amd_pmc_dev pmc;
static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, bool ret);
static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf);
-#ifdef CONFIG_SUSPEND
static int amd_pmc_write_stb(struct amd_pmc_dev *dev, u32 data);
-#endif
static inline u32 amd_pmc_reg_read(struct amd_pmc_dev *dev, int reg_offset)
{
@@ -386,7 +384,6 @@ static int get_metrics_table(struct amd_pmc_dev *pdev, struct smu_metrics *table
return 0;
}
-#ifdef CONFIG_SUSPEND
static void amd_pmc_validate_deepest(struct amd_pmc_dev *pdev)
{
struct smu_metrics table;
@@ -400,7 +397,6 @@ static void amd_pmc_validate_deepest(struct amd_pmc_dev *pdev)
dev_dbg(pdev->dev, "Last suspend in deepest state for %lluus\n",
table.timein_s0i3_lastcapture);
}
-#endif
static int amd_pmc_get_smu_version(struct amd_pmc_dev *dev)
{
@@ -673,7 +669,6 @@ out_unlock:
return rc;
}
-#ifdef CONFIG_SUSPEND
static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
{
switch (dev->cpu_id) {
@@ -861,9 +856,7 @@ static int __maybe_unused amd_pmc_suspend_handler(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(amd_pmc_pm, amd_pmc_suspend_handler, NULL);
-
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(amd_pmc_pm, amd_pmc_suspend_handler, NULL);
static const struct pci_device_id pmc_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PS) },
@@ -905,7 +898,6 @@ static int amd_pmc_s2d_init(struct amd_pmc_dev *dev)
return 0;
}
-#ifdef CONFIG_SUSPEND
static int amd_pmc_write_stb(struct amd_pmc_dev *dev, u32 data)
{
int err;
@@ -926,7 +918,6 @@ static int amd_pmc_write_stb(struct amd_pmc_dev *dev, u32 data)
return 0;
}
-#endif
static int amd_pmc_read_stb(struct amd_pmc_dev *dev, u32 *buf)
{
@@ -1017,11 +1008,11 @@ static int amd_pmc_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, dev);
-#ifdef CONFIG_SUSPEND
- err = acpi_register_lps0_dev(&amd_pmc_s2idle_dev_ops);
- if (err)
- dev_warn(dev->dev, "failed to register LPS0 sleep handler, expect increased power consumption\n");
-#endif
+ if (IS_ENABLED(CONFIG_SUSPEND)) {
+ err = acpi_register_lps0_dev(&amd_pmc_s2idle_dev_ops);
+ if (err)
+ dev_warn(dev->dev, "failed to register LPS0 sleep handler, expect increased power consumption\n");
+ }
amd_pmc_dbgfs_register(dev);
return 0;
@@ -1035,9 +1026,8 @@ static int amd_pmc_remove(struct platform_device *pdev)
{
struct amd_pmc_dev *dev = platform_get_drvdata(pdev);
-#ifdef CONFIG_SUSPEND
- acpi_unregister_lps0_dev(&amd_pmc_s2idle_dev_ops);
-#endif
+ if (IS_ENABLED(CONFIG_SUSPEND))
+ acpi_unregister_lps0_dev(&amd_pmc_s2idle_dev_ops);
amd_pmc_dbgfs_unregister(dev);
pci_dev_put(dev->rdev);
mutex_destroy(&dev->lock);
@@ -1061,9 +1051,7 @@ static struct platform_driver amd_pmc_driver = {
.name = "amd_pmc",
.acpi_match_table = amd_pmc_acpi_ids,
.dev_groups = pmc_groups,
-#ifdef CONFIG_SUSPEND
- .pm = &amd_pmc_pm,
-#endif
+ .pm = pm_sleep_ptr(&amd_pmc_pm),
},
.probe = amd_pmc_probe,
.remove = amd_pmc_remove,
diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c
index d547c9d09725..2750dee99c3e 100644
--- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -17,7 +17,6 @@
#include <linux/kernel.h>
#include <linux/hwmon.h>
#include <linux/kstrtox.h>
-#include <linux/math.h>
#include <linux/math64.h>
#include <linux/module.h>
#include <linux/mutex.h>
@@ -96,6 +95,7 @@ struct combined_chip_info {
};
struct dell_wmi_ddv_sensors {
+ bool active;
struct mutex lock; /* protect caching */
unsigned long timestamp;
union acpi_object *obj;
@@ -520,6 +520,9 @@ static struct hwmon_channel_info *dell_wmi_ddv_channel_create(struct device *dev
static void dell_wmi_ddv_hwmon_cache_invalidate(struct dell_wmi_ddv_sensors *sensors)
{
+ if (!sensors->active)
+ return;
+
mutex_lock(&sensors->lock);
kfree(sensors->obj);
sensors->obj = NULL;
@@ -530,6 +533,7 @@ static void dell_wmi_ddv_hwmon_cache_destroy(void *data)
{
struct dell_wmi_ddv_sensors *sensors = data;
+ sensors->active = false;
mutex_destroy(&sensors->lock);
kfree(sensors->obj);
}
@@ -549,6 +553,7 @@ static struct hwmon_channel_info *dell_wmi_ddv_channel_init(struct wmi_device *w
return ERR_PTR(ret);
mutex_init(&sensors->lock);
+ sensors->active = true;
ret = devm_add_action_or_reset(&wdev->dev, dell_wmi_ddv_hwmon_cache_destroy, sensors);
if (ret < 0)
@@ -659,7 +664,8 @@ static ssize_t temp_show(struct device *dev, struct device_attribute *attr, char
if (ret < 0)
return ret;
- return sysfs_emit(buf, "%d\n", DIV_ROUND_CLOSEST(value, 10));
+ /* Use 2731 instead of 2731.5 to avoid unnecessary rounding */
+ return sysfs_emit(buf, "%d\n", value - 2731);
}
static ssize_t eppid_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -852,7 +858,7 @@ static int dell_wmi_ddv_resume(struct device *dev)
{
struct dell_wmi_ddv_data *data = dev_get_drvdata(dev);
- /* Force re-reading of all sensors */
+ /* Force re-reading of all active sensors */
dell_wmi_ddv_hwmon_cache_invalidate(&data->fans);
dell_wmi_ddv_hwmon_cache_invalidate(&data->temps);
diff --git a/drivers/platform/x86/intel/int3472/tps68470_board_data.c b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
index 309eab9c0558..322237e056f3 100644
--- a/drivers/platform/x86/intel/int3472/tps68470_board_data.c
+++ b/drivers/platform/x86/intel/int3472/tps68470_board_data.c
@@ -159,9 +159,10 @@ static const struct int3472_tps68470_board_data surface_go_tps68470_board_data =
static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = {
.dev_name = "i2c-INT3472:01",
.tps68470_regulator_pdata = &surface_go_tps68470_pdata,
- .n_gpiod_lookups = 1,
+ .n_gpiod_lookups = 2,
.tps68470_gpio_lookup_tables = {
- &surface_go_int347a_gpios
+ &surface_go_int347a_gpios,
+ &surface_go_int347e_gpios,
},
};
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index a7e02b24a87a..0954a04623ed 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -47,7 +47,7 @@ struct isst_cmd_set_req_type {
static const struct isst_valid_cmd_ranges isst_valid_cmds[] = {
{0xD0, 0x00, 0x03},
- {0x7F, 0x00, 0x0B},
+ {0x7F, 0x00, 0x0C},
{0x7F, 0x10, 0x12},
{0x7F, 0x20, 0x23},
{0x94, 0x03, 0x03},
@@ -112,6 +112,7 @@ static void isst_delete_hash(void)
* isst_store_cmd() - Store command to a hash table
* @cmd: Mailbox command.
* @sub_cmd: Mailbox sub-command or MSR id.
+ * @cpu: Target CPU for the command
* @mbox_cmd_type: Mailbox or MSR command.
* @param: Mailbox parameter.
* @data: Mailbox request data or MSR data.
@@ -363,7 +364,7 @@ static struct pci_dev *_isst_if_get_pci_dev(int cpu, int bus_no, int dev, int fn
/**
* isst_if_get_pci_dev() - Get the PCI device instance for a CPU
* @cpu: Logical CPU number.
- * @bus_number: The bus number assigned by the hardware.
+ * @bus_no: The bus number assigned by the hardware.
* @dev: The device number assigned by the hardware.
* @fn: The function number assigned by the hardware.
*
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.h b/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
index fdecdae248d7..35ff506b402e 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
@@ -40,6 +40,7 @@
* @offset: Offset to the first valid member in command structure.
* This will be the offset of the start of the command
* after command count field
+ * @owner: Registered module owner
* @cmd_callback: Callback function to handle IOCTL. The callback has the
* command pointer with data for command. There is a pointer
* called write_only, which when set, will not copy the
diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c
index c60733261c89..c999732b0f1e 100644
--- a/drivers/platform/x86/intel/tpmi.c
+++ b/drivers/platform/x86/intel/tpmi.c
@@ -209,14 +209,14 @@ static int tpmi_create_device(struct intel_tpmi_info *tpmi_info,
if (!name)
return -EOPNOTSUPP;
- feature_vsec_dev = kzalloc(sizeof(*feature_vsec_dev), GFP_KERNEL);
- if (!feature_vsec_dev)
+ res = kcalloc(pfs->pfs_header.num_entries, sizeof(*res), GFP_KERNEL);
+ if (!res)
return -ENOMEM;
- res = kcalloc(pfs->pfs_header.num_entries, sizeof(*res), GFP_KERNEL);
- if (!res) {
+ feature_vsec_dev = kzalloc(sizeof(*feature_vsec_dev), GFP_KERNEL);
+ if (!feature_vsec_dev) {
ret = -ENOMEM;
- goto free_vsec;
+ goto free_res;
}
snprintf(feature_id_name, sizeof(feature_id_name), "tpmi-%s", name);
@@ -239,6 +239,8 @@ static int tpmi_create_device(struct intel_tpmi_info *tpmi_info,
/*
* intel_vsec_add_aux() is resource managed, no explicit
* delete is required on error or on module unload.
+ * feature_vsec_dev memory is also freed as part of device
+ * delete.
*/
ret = intel_vsec_add_aux(vsec_dev->pcidev, &vsec_dev->auxdev.dev,
feature_vsec_dev, feature_id_name);
@@ -249,8 +251,6 @@ static int tpmi_create_device(struct intel_tpmi_info *tpmi_info,
free_res:
kfree(res);
-free_vsec:
- kfree(feature_vsec_dev);
return ret;
}
diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index 7b6779cdb134..67367f010139 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -5980,7 +5980,7 @@ MODULE_DEVICE_TABLE(dmi, mlxplat_dmi_table);
static int mlxplat_mlxcpld_verify_bus_topology(int *nr)
{
struct i2c_adapter *search_adap;
- int shift, i;
+ int i, shift = 0;
/* Scan adapters from expected id to verify it is free. */
*nr = MLXPLAT_CPLD_PHYS_ADAPTER_DEF_NR;