projects/linux·commit 8a696a29

Merge tag 'platform-drivers-x86-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

8a696a29 · Linus Torvalds <[email protected]> · 2024-01-27 09:48:55 -08:00

Pull x86 platform driver fixes from Hans de Goede:

 - WMI bus driver fixes

 - Second attempt (previously reverted) at P2SB PCI rescan deadlock fix

 - AMD PMF driver improvements

 - MAINTAINERS updates

 - Misc other small fixes and hw-id additions

* tag 'platform-drivers-x86-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the TECLAST X16 Plus tablet
  platform/x86/intel/ifs: Call release_firmware() when handling errors.
  platform/x86/amd/pmf: Fix memory leak in amd_pmf_get_pb_data()
  platform/x86/amd/pmf: Get ambient light information from AMD SFH driver
  platform/x86/amd/pmf: Get Human presence information from AMD SFH driver
  platform/mellanox: mlxbf-pmc: Fix offset calculation for crspace events
  platform/mellanox: mlxbf-tmfifo: Drop Tx network packet when Tx TmFIFO is full
  MAINTAINERS: remove defunct acpi4asus project info from asus notebooks section
  MAINTAINERS: add Luke Jones as maintainer for asus notebooks
  MAINTAINERS: Remove Perry Yuan as DELL WMI HARDWARE PRIVACY SUPPORT maintainer
  platform/x86: silicom-platform: Add missing "Description:" for power_cycle sysfs attr
  platform/x86: intel-wmi-sbl-fw-update: Fix function name in error message
  platform/x86: p2sb: Use pci_resource_n() in p2sb_read_bar0()
  platform/x86: p2sb: Allow p2sb_bar() calls during PCI device probe
  platform/x86: intel-uncore-freq: Fix types in sysfs callbacks
  platform/x86: wmi: Fix wmi_dev_probe()
  platform/x86: wmi: Fix notify callback locking
  platform/x86: wmi: Decouple legacy WMI notify handlers from wmi_block_list
  platform/x86: wmi: Return immediately if an suitable WMI event is found
  platform/x86: wmi: Fix error handling in legacy WMI notify handler functions
Commit
8a696a29c6905594e4abf78eaafcb62165ac61f1
Parents
95534043 · 1abdf288

Merge commit. Changes below are compared with the first parent: 95534043.

Changes

14 files changed · +460 −177

FileStatusAddDelContent
Documentation/ABI/testing/sysfs-platform-silicommodified+1−0View file
MAINTAINERSmodified+2−3View file
drivers/platform/mellanox/mlxbf-pmc.cmodified+2−2View file
drivers/platform/mellanox/mlxbf-tmfifo.cmodified+67−0View file
drivers/platform/x86/amd/pmf/Kconfigmodified+1−0View file
drivers/platform/x86/amd/pmf/spc.cmodified+36−0View file
drivers/platform/x86/amd/pmf/tee-if.cmodified+3−1View file
drivers/platform/x86/intel/ifs/load.cmodified+2−1View file
drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.cmodified+41−41View file
drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.hmodified+16−16View file
drivers/platform/x86/intel/wmi/sbl-fw-update.cmodified+2−2View file
drivers/platform/x86/p2sb.cmodified+140−42View file
drivers/platform/x86/touchscreen_dmi.cmodified+35−0View file
drivers/platform/x86/wmi.cmodified+112−69View file

Only the first 600 diff lines are shown. Download the complete patch.

Documentation/ABI/testing/sysfs-platform-silicom

View file
diff --git a/Documentation/ABI/testing/sysfs-platform-silicom b/Documentation/ABI/testing/sysfs-platform-silicom
index 2288b36..4d1cc5b 100644
--- a/Documentation/ABI/testing/sysfs-platform-silicom
+++ b/Documentation/ABI/testing/sysfs-platform-silicom
@@ -10,6 +10,7 @@ What: /sys/devices/platform/silicom-platform/power_cycle
Date: November 2023
KernelVersion: 6.7
Contact: Henry Shi <[email protected]>
+Description:
This file allow user to power cycle the platform.
Default value is 0; when set to 1, it powers down
the platform, waits 5 seconds, then powers on the

MAINTAINERS

View file
diff --git a/MAINTAINERS b/MAINTAINERS
index 1107cdb..8999497 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3168,10 +3168,10 @@ F: drivers/hwmon/asus-ec-sensors.c
ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS DRIVERS
M: Corentin Chary <[email protected]>
-L: [email protected]
+M: Luke D. Jones <[email protected]>
L: [email protected]
S: Maintained
-W: http://acpi4asus.sf.net
+W: https://asus-linux.org/
F: drivers/platform/x86/asus*.c
F: drivers/platform/x86/eeepc*.c
@@ -5958,7 +5958,6 @@ S: Maintained
F: drivers/platform/x86/dell/dell-wmi-descriptor.c
DELL WMI HARDWARE PRIVACY SUPPORT
-M: Perry Yuan <[email protected]>
L: [email protected]
L: [email protected]
S: Maintained

drivers/platform/mellanox/mlxbf-pmc.c

View file
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c
index 1dd84c7..b1995ac 100644
--- a/drivers/platform/mellanox/mlxbf-pmc.c
+++ b/drivers/platform/mellanox/mlxbf-pmc.c
@@ -1170,7 +1170,7 @@ static int mlxbf_pmc_program_crspace_counter(int blk_num, uint32_t cnt_num,
int ret;
addr = pmc->block[blk_num].mmio_base +
- (rounddown(cnt_num, 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ);
+ ((cnt_num / 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ);
ret = mlxbf_pmc_readl(addr, &word);
if (ret)
return ret;
@@ -1413,7 +1413,7 @@ static int mlxbf_pmc_read_crspace_event(int blk_num, uint32_t cnt_num,
int ret;
addr = pmc->block[blk_num].mmio_base +
- (rounddown(cnt_num, 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ);
+ ((cnt_num / 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ);
ret = mlxbf_pmc_readl(addr, &word);
if (ret)
return ret;

drivers/platform/mellanox/mlxbf-tmfifo.c

View file
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index ed16ec4..b8d1e32 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -47,6 +47,9 @@
/* Message with data needs at least two words (for header & data). */
#define MLXBF_TMFIFO_DATA_MIN_WORDS 2
+/* Tx timeout in milliseconds. */
+#define TMFIFO_TX_TIMEOUT 2000
+
/* ACPI UID for BlueField-3. */
#define TMFIFO_BF3_UID 1
@@ -62,12 +65,14 @@ struct mlxbf_tmfifo;
* @drop_desc: dummy desc for packet dropping
* @cur_len: processed length of the current descriptor
* @rem_len: remaining length of the pending packet
+ * @rem_padding: remaining bytes to send as paddings
* @pkt_len: total length of the pending packet
* @next_avail: next avail descriptor id
* @num: vring size (number of descriptors)
* @align: vring alignment size
* @index: vring index
* @vdev_id: vring virtio id (VIRTIO_ID_xxx)
+ * @tx_timeout: expire time of last tx packet
* @fifo: pointer to the tmfifo structure
*/
struct mlxbf_tmfifo_vring {
@@ -79,12 +84,14 @@ struct mlxbf_tmfifo_vring {
struct vring_desc drop_desc;
int cur_len;
int rem_len;
+ int rem_padding;
u32 pkt_len;
u16 next_avail;
int num;
int align;
int index;
int vdev_id;
+ unsigned long tx_timeout;
struct mlxbf_tmfifo *fifo;
};
@@ -819,6 +826,50 @@ mlxbf_tmfifo_desc_done:
return true;
}
+static void mlxbf_tmfifo_check_tx_timeout(struct mlxbf_tmfifo_vring *vring)
+{
+ unsigned long flags;
+
+ /* Only handle Tx timeout for network vdev. */
+ if (vring->vdev_id != VIRTIO_ID_NET)
+ return;
+
+ /* Initialize the timeout or return if not expired. */
+ if (!vring->tx_timeout) {
+ /* Initialize the timeout. */
+ vring->tx_timeout = jiffies +
+ msecs_to_jiffies(TMFIFO_TX_TIMEOUT);
+ return;
+ } else if (time_before(jiffies, vring->tx_timeout)) {
+ /* Return if not timeout yet. */
+ return;
+ }
+
+ /*
+ * Drop the packet after timeout. The outstanding packet is
+ * released and the remaining bytes will be sent with padding byte 0x00
+ * as a recovery. On the peer(host) side, the padding bytes 0x00 will be
+ * either dropped directly, or appended into existing outstanding packet
+ * thus dropped as corrupted network packet.
+ */
+ vring->rem_padding = round_up(vring->rem_len, sizeof(u64));
+ mlxbf_tmfifo_release_pkt(vring);
+ vring->cur_len = 0;
+ vring->rem_len = 0;
+ vring->fifo->vring[0] = NULL;
+
+ /*
+ * Make sure the load/store are in order before
+ * returning back to virtio.
+ */
+ virtio_mb(false);
+
+ /* Notify upper layer. */
+ spin_lock_irqsave(&vring->fifo->spin_lock[0], flags);
+ vring_interrupt(0, vring->vq);
+ spin_unlock_irqrestore(&vring->fifo->spin_lock[0], flags);
+}
+
/* Rx & Tx processing of a queue. */
static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
{
@@ -841,6 +892,7 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
return;
do {
+retry:
/* Get available FIFO space. */
if (avail == 0) {
if (is_rx)
@@ -851,6 +903,17 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
break;
}
+ /* Insert paddings for discarded Tx packet. */
+ if (!is_rx) {
+ vring->tx_timeout = 0;
+ while (vring->rem_padding >= sizeof(u64)) {
+ writeq(0, vring->fifo->tx.data);
+ vring->rem_padding -= sizeof(u64);
+ if (--avail == 0)
+ goto retry;
+ }
+ }
+
/* Console output always comes from the Tx buffer. */
if (!is_rx && devid == VIRTIO_ID_CONSOLE) {
mlxbf_tmfifo_console_tx(fifo, avail);
@@ -860,6 +923,10 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
/* Handle one descriptor. */
more = mlxbf_tmfifo_rxtx_one_desc(vring, is_rx, &avail);
} while (more);
+
+ /* Check Tx timeout. */
+ if (avail <= 0 && !is_rx)
+ mlxbf_tmfifo_check_tx_timeout(vring);
}
/* Handle Rx or Tx queues. */

drivers/platform/x86/amd/pmf/Kconfig

View file
diff --git a/drivers/platform/x86/amd/pmf/Kconfig b/drivers/platform/x86/amd/pmf/Kconfig
index f246252..f4fa8bd 100644
--- a/drivers/platform/x86/amd/pmf/Kconfig
+++ b/drivers/platform/x86/amd/pmf/Kconfig
@@ -10,6 +10,7 @@ config AMD_PMF
depends on AMD_NB
select ACPI_PLATFORM_PROFILE
depends on TEE && AMDTEE
+ depends on AMD_SFH_HID
help
This driver provides support for the AMD Platform Management Framework.
The goal is to enhance end user experience by making AMD PCs smarter,

drivers/platform/x86/amd/pmf/spc.c

View file
diff --git a/drivers/platform/x86/amd/pmf/spc.c b/drivers/platform/x86/amd/pmf/spc.c
index a042394..a3dec14 100644
--- a/drivers/platform/x86/amd/pmf/spc.c
+++ b/drivers/platform/x86/amd/pmf/spc.c
@@ -10,6 +10,7 @@
*/
#include <acpi/button.h>
+#include <linux/amd-pmf-io.h>
#include <linux/power_supply.h>
#include <linux/units.h>
#include "pmf.h"
@@ -44,6 +45,8 @@ void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *
dev_dbg(dev->dev, "Max C0 Residency: %u\n", in->ev_info.max_c0residency);
dev_dbg(dev->dev, "GFX Busy: %u\n", in->ev_info.gfx_busy);
dev_dbg(dev->dev, "LID State: %s\n", in->ev_info.lid_state ? "close" : "open");
+ dev_dbg(dev->dev, "User Presence: %s\n", in->ev_info.user_present ? "Present" : "Away");
+ dev_dbg(dev->dev, "Ambient Light: %d\n", in->ev_info.ambient_light);
dev_dbg(dev->dev, "==== TA inputs END ====\n");
}
#else
@@ -147,6 +150,38 @@ static int amd_pmf_get_slider_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_
return 0;
}
+static int amd_pmf_get_sensor_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
+{
+ struct amd_sfh_info sfh_info;
+ int ret;
+
+ /* Get ALS data */
+ ret = amd_get_sfh_info(&sfh_info, MT_ALS);
+ if (!ret)
+ in->ev_info.ambient_light = sfh_info.ambient_light;
+ else
+ return ret;
+
+ /* get HPD data */
+ ret = amd_get_sfh_info(&sfh_info, MT_HPD);
+ if (ret)
+ return ret;
+
+ switch (sfh_info.user_present) {
+ case SFH_NOT_DETECTED:
+ in->ev_info.user_present = 0xff; /* assume no sensors connected */
+ break;
+ case SFH_USER_PRESENT:
+ in->ev_info.user_present = 1;
+ break;
+ case SFH_USER_AWAY:
+ in->ev_info.user_present = 0;
+ break;
+ }
+
+ return 0;
+}
+
void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
{
/* TA side lid open is 1 and close is 0, hence the ! here */
@@ -155,4 +190,5 @@ void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_tab
amd_pmf_get_smu_info(dev, in);
amd_pmf_get_battery_info(dev, in);
amd_pmf_get_slider_info(dev, in);
+ amd_pmf_get_sensor_info(dev, in);
}

drivers/platform/x86/amd/pmf/tee-if.c

View file
diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c
index 502ce93..f8c0177 100644
--- a/drivers/platform/x86/amd/pmf/tee-if.c
+++ b/drivers/platform/x86/amd/pmf/tee-if.c
@@ -298,8 +298,10 @@ static ssize_t amd_pmf_get_pb_data(struct file *filp, const char __user *buf,
if (!new_policy_buf)
return -ENOMEM;
- if (copy_from_user(new_policy_buf, buf, length))
+ if (copy_from_user(new_policy_buf, buf, length)) {
+ kfree(new_policy_buf);
return -EFAULT;
+ }
kfree(dev->policy_buf);
dev->policy_buf = new_policy_buf;

drivers/platform/x86/intel/ifs/load.c

View file
diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c
index a1ee1a7..2cf3b4a 100644
--- a/drivers/platform/x86/intel/ifs/load.c
+++ b/drivers/platform/x86/intel/ifs/load.c
@@ -399,7 +399,8 @@ int ifs_load_firmware(struct device *dev)
if (fw->size != expected_size) {
dev_err(dev, "File size mismatch (expected %u, actual %zu). Corrupted IFS image.\n",
expected_size, fw->size);
- return -EINVAL;
+ ret = -EINVAL;
+ goto release;
}
ret = image_sanity_check(dev, (struct microcode_header_intel *)fw->data);

drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c

View file
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
index 33ab207..33bb58d 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c
@@ -23,23 +23,23 @@ static int (*uncore_read)(struct uncore_data *data, unsigned int *min, unsigned
static int (*uncore_write)(struct uncore_data *data, unsigned int input, unsigned int min_max);
static int (*uncore_read_freq)(struct uncore_data *data, unsigned int *freq);
-static ssize_t show_domain_id(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_domain_id(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
{
- struct uncore_data *data = container_of(attr, struct uncore_data, domain_id_dev_attr);
+ struct uncore_data *data = container_of(attr, struct uncore_data, domain_id_kobj_attr);
return sprintf(buf, "%u\n", data->domain_id);
}
-static ssize_t show_fabric_cluster_id(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fabric_cluster_id(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
{
- struct uncore_data *data = container_of(attr, struct uncore_data, fabric_cluster_id_dev_attr);
+ struct uncore_data *data = container_of(attr, struct uncore_data, fabric_cluster_id_kobj_attr);
return sprintf(buf, "%u\n", data->cluster_id);
}
-static ssize_t show_package_id(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_package_id(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
{
- struct uncore_data *data = container_of(attr, struct uncore_data, package_id_dev_attr);
+ struct uncore_data *data = container_of(attr, struct uncore_data, package_id_kobj_attr);
return sprintf(buf, "%u\n", data->package_id);
}
@@ -97,30 +97,30 @@ static ssize_t show_perf_status_freq_khz(struct uncore_data *data, char *buf)
}
#define store_uncore_min_max(name, min_max) \
- static ssize_t store_##name(struct device *dev, \
- struct device_attribute *attr, \
+ static ssize_t store_##name(struct kobject *kobj, \
+ struct kobj_attribute *attr, \
const char *buf, size_t count) \
{ \
- struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+ struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
\
return store_min_max_freq_khz(data, buf, count, \
min_max); \
}
#define show_uncore_min_max(name, min_max) \
- static ssize_t show_##name(struct device *dev, \
- struct device_attribute *attr, char *buf)\
+ static ssize_t show_##name(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buf)\
{ \
- struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+ struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
\
return show_min_max_freq_khz(data, buf, min_max); \
}
#define show_uncore_perf_status(name) \
- static ssize_t show_##name(struct device *dev, \
- struct device_attribute *attr, char *buf)\
+ static ssize_t show_##name(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buf)\
{ \
- struct uncore_data *data = container_of(attr, struct uncore_data, name##_dev_attr);\
+ struct uncore_data *data = container_of(attr, struct uncore_data, name##_kobj_attr);\
\
return show_perf_status_freq_khz(data, buf); \
}
@@ -134,11 +134,11 @@ show_uncore_min_max(max_freq_khz, 1);
show_uncore_perf_status(current_freq_khz);
#define show_uncore_data(member_name) \
- static ssize_t show_##member_name(struct device *dev, \
- struct device_attribute *attr, char *buf)\
+ static ssize_t show_##member_name(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buf)\
{ \
struct uncore_data *data = container_of(attr, struct uncore_data,\
- member_name##_dev_attr);\
+ member_name##_kobj_attr);\
\
return sysfs_emit(buf, "%u\n", \
data->member_name); \
@@ -149,29 +149,29 @@ show_uncore_data(initial_max_freq_khz);
#define init_attribute_rw(_name) \
do { \
- sysfs_attr_init(&data->_name##_dev_attr.attr); \
- data->_name##_dev_attr.show = show_##_name; \
- data->_name##_dev_attr.store = store_##_name; \
- data->_name##_dev_attr.attr.name = #_name; \
- data->_name##_dev_attr.attr.mode = 0644; \
+ sysfs_attr_init(&data->_name##_kobj_attr.attr); \
+ data->_name##_kobj_attr.show = show_##_name; \
+ data->_name##_kobj_attr.store = store_##_name; \
+ data->_name##_kobj_attr.attr.name = #_name; \
+ data->_name##_kobj_attr.attr.mode = 0644; \
} while (0)
#define init_attribute_ro(_name) \
do { \
- sysfs_attr_init(&data->_name##_dev_attr.attr); \
- data->_name##_dev_attr.show = show_##_name; \
- data->_name##_dev_attr.store = NULL; \
- data->_name##_dev_attr.attr.name = #_name; \
- data->_name##_dev_attr.attr.mode = 0444; \
+ sysfs_attr_init(&data->_name##_kobj_attr.attr); \
+ data->_name##_kobj_attr.show = show_##_name; \
+ data->_name##_kobj_attr.store = NULL; \
+ data->_name##_kobj_attr.attr.name = #_name; \
+ data->_name##_kobj_attr.attr.mode = 0444; \
} while (0)
#define init_attribute_root_ro(_name) \
do { \
- sysfs_attr_init(&data->_name##_dev_attr.attr); \
- data->_name##_dev_attr.show = show_##_name; \
- data->_name##_dev_attr.store = NULL; \
- data->_name##_dev_attr.attr.name = #_name; \
- data->_name##_dev_attr.attr.mode = 0400; \
+ sysfs_attr_init(&data->_name##_kobj_attr.attr); \
+ data->_name##_kobj_attr.show = show_##_name; \
+ data->_name##_kobj_attr.store = NULL; \
+ data->_name##_kobj_attr.attr.name = #_name; \
+ data->_name##_kobj_attr.attr.mode = 0400; \
} while (0)
static int create_attr_group(struct uncore_data *data, char *name)
@@ -186,21 +186,21 @@ static int create_attr_group(struct uncore_data *data, char *name)
if (data->domain_id != UNCORE_DOMAIN_ID_INVALID) {
init_attribute_root_ro(domain_id);
- data->uncore_attrs[index++] = &data->domain_id_dev_attr.attr;
+ data->uncore_attrs[index++] = &data->domain_id_kobj_attr.attr;
init_attribute_root_ro(fabric_cluster_id);
- data->uncore_attrs[index++] = &data->fabric_cluster_id_dev_attr.attr;
+ data->uncore_attrs[index++] = &data->fabric_cluster_id_kobj_attr.attr;
init_attribute_root_ro(package_id);
- data->uncore_attrs[index++] = &data->package_id_dev_attr.attr;
+ data->uncore_attrs[index++] = &data->package_id_kobj_attr.attr;
}
- data->uncore_attrs[index++] = &data->max_freq_khz_dev_attr.attr;
- data->uncore_attrs[index++] = &data->min_freq_khz_dev_attr.attr;
- data->uncore_attrs[index++] = &data->initial_min_freq_khz_dev_attr.attr;
- data->uncore_attrs[index++] = &data->initial_max_freq_khz_dev_attr.attr;
+ data->uncore_attrs[index++] = &data->max_freq_khz_kobj_attr.attr;
+ data->uncore_attrs[index++] = &data->min_freq_khz_kobj_attr.attr;
+ data->uncore_attrs[index++] = &data->initial_min_freq_khz_kobj_attr.attr;
+ data->uncore_attrs[index++] = &data->initial_max_freq_khz_kobj_attr.attr;
ret = uncore_read_freq(data, &freq);
if (!ret)
- data->uncore_attrs[index++] = &data->current_freq_khz_dev_attr.attr;
+ data->uncore_attrs[index++] = &data->current_freq_khz_kobj_attr.attr;
data->uncore_attrs[index] = NULL;

drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h

View file
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h
index 7afb699..0e5bf50 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h
@@ -26,14 +26,14 @@
* @instance_id: Unique instance id to append to directory name
* @name: Sysfs entry name for this instance
* @uncore_attr_group: Attribute group storage
- * @max_freq_khz_dev_attr: Storage for device attribute max_freq_khz
- * @mix_freq_khz_dev_attr: Storage for device attribute min_freq_khz
- * @initial_max_freq_khz_dev_attr: Storage for device attribute initial_max_freq_khz
- * @initial_min_freq_khz_dev_attr: Storage for device attribute initial_min_freq_khz
- * @current_freq_khz_dev_attr: Storage for device attribute current_freq_khz
- * @domain_id_dev_attr: Storage for device attribute domain_id
- * @fabric_cluster_id_dev_attr: Storage for device attribute fabric_cluster_id
- * @package_id_dev_attr: Storage for device attribute package_id
+ * @max_freq_khz_kobj_attr: Storage for kobject attribute max_freq_khz
+ * @mix_freq_khz_kobj_attr: Storage for kobject attribute min_freq_khz
+ * @initial_max_freq_khz_kobj_attr: Storage for kobject attribute initial_max_freq_khz
+ * @initial_min_freq_khz_kobj_attr: Storage for kobject attribute initial_min_freq_khz
+ * @current_freq_khz_kobj_attr: Storage for kobject attribute current_freq_khz
+ * @domain_id_kobj_attr: Storage for kobject attribute domain_id
+ * @fabric_cluster_id_kobj_attr: Storage for kobject attribute fabric_cluster_id
+ * @package_id_kobj_attr: Storage for kobject attribute package_id
* @uncore_attrs: Attribute storage for group creation
*
* This structure is used to encapsulate all data related to uncore sysfs
@@ -53,14 +53,14 @@ struct uncore_data {
char name[32];
struct attribute_group uncore_attr_group;
- struct device_attribute max_freq_khz_dev_attr;
- struct device_attribute min_freq_khz_dev_attr;
- struct device_attribute initial_max_freq_khz_dev_attr;
- struct device_attribute initial_min_freq_khz_dev_attr;
- struct device_attribute current_freq_khz_dev_attr;
- struct device_attribute domain_id_dev_attr;
- struct device_attribute fabric_cluster_id_dev_attr;
- struct device_attribute package_id_dev_attr;
+ struct kobj_attribute max_freq_khz_kobj_attr;
+ struct kobj_attribute min_freq_khz_kobj_attr;
+ struct kobj_attribute initial_max_freq_khz_kobj_attr;
+ struct kobj_attribute initial_min_freq_khz_kobj_attr;
+ struct kobj_attribute current_freq_khz_kobj_attr;
+ struct kobj_attribute domain_id_kobj_attr;
+ struct kobj_attribute fabric_cluster_id_kobj_attr;
+ struct kobj_attribute package_id_kobj_attr;
struct attribute *uncore_attrs[9];
};

drivers/platform/x86/intel/wmi/sbl-fw-update.c

View file
diff --git a/drivers/platform/x86/intel/wmi/sbl-fw-update.c b/drivers/platform/x86/intel/wmi/sbl-fw-update.c
index 9cf5ed0..040153a 100644
--- a/drivers/platform/x86/intel/wmi/sbl-fw-update.c
+++ b/drivers/platform/x86/intel/wmi/sbl-fw-update.c
@@ -32,7 +32,7 @@ static int get_fwu_request(struct device *dev, u32 *out)
return -ENODEV;
if (obj->type != ACPI_TYPE_INTEGER) {
- dev_warn(dev, "wmi_query_block returned invalid value\n");
+ dev_warn(dev, "wmidev_block_query returned invalid value\n");
kfree(obj);
return -EINVAL;
}
@@ -55,7 +55,7 @@ static int set_fwu_request(struct device *dev, u32 in)
status = wmidev_block_set(to_wmi_device(dev), 0, &input);
if (ACPI_FAILURE(status)) {
- dev_err(dev, "wmi_set_block failed\n");
+ dev_err(dev, "wmidev_block_set failed\n");
return -ENODEV;
}

drivers/platform/x86/p2sb.c

View file
diff --git a/drivers/platform/x86/p2sb.c b/drivers/platform/x86/p2sb.c
index 1cf2471..6bd14d0 100644
--- a/drivers/platform/x86/p2sb.c
+++ b/drivers/platform/x86/p2sb.c
@@ -26,6 +26,21 @@ static const struct x86_cpu_id p2sb_cpu_ids[] = {
{}
};
+/*
+ * Cache BAR0 of P2SB device functions 0 to 7.
+ * TODO: The constant 8 is the number of functions that PCI specification
+ * defines. Same definitions exist tree-wide. Unify this definition and
+ * the other definitions then move to include/uapi/linux/pci.h.
+ */
+#define NR_P2SB_RES_CACHE 8
+
+struct p2sb_res_cache {
+ u32 bus_dev_id;
+ struct resource res;
+};
+
+static struct p2sb_res_cache p2sb_resources[NR_P2SB_RES_CACHE];
+
static int p2sb_get_devfn(unsigned int *devfn)
{
unsigned int fn = P2SB_DEVFN_DEFAULT;
@@ -39,10 +54,18 @@ static int p2sb_get_devfn(unsigned int *devfn)
return 0;
}
+static bool p2sb_valid_resource(struct resource *res)
+{
+ if (res->flags)
+ return true;
+
+ return false;
+}
+
/* Copy resource from the first BAR of the device in question */
-static int p2sb_read_bar0(struct pci_dev *pdev, struct resource *mem)
+static void p2sb_read_bar0(struct pci_dev *pdev, struct resource *mem)
{
- struct resource *bar0 = &pdev->resource[0];
+ struct resource *bar0 = pci_resource_n(pdev, 0);
/* Make sure we have no dangling pointers in the output */
memset(mem, 0, sizeof(*mem));
@@ -56,49 +79,66 @@ static int p2sb_read_bar0(struct pci_dev *pdev, struct resource *mem)
mem->end = bar0->end;
mem->flags = bar0->flags;
mem->desc = bar0->desc;
-
- return 0;
}
-static int p2sb_scan_and_read(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
+static void p2sb_scan_and_cache_devfn(struct pci_bus *bus, unsigned int devfn)
{
+ struct p2sb_res_cache *cache = &p2sb_resources[PCI_FUNC(devfn)];
struct pci_dev *pdev;
- int ret;
pdev = pci_scan_single_device(bus, devfn);
if (!pdev)
- return -ENODEV;

This diff is incomplete. Download the complete patch.

drivers/platform/x86/touchscreen_dmi.c

View file

This diff is incomplete. Download the complete patch.

drivers/platform/x86/wmi.c

View file

This diff is incomplete. Download the complete patch.