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Staging/IIO fixes for 5.6-rc7

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Here are a number of small staging and IIO driver fixes for 5.6-rc7
 
 Nothing major here, just resolutions for some reported problems:
 	- iio bugfixes for a number of different drivers
 	- greybus loopback_test fixes
 	- wfx driver fixes
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO fixes from Greg KH:
 "Here are a number of small staging and IIO driver fixes for 5.6-rc7

  Nothing major here, just resolutions for some reported problems:
   - iio bugfixes for a number of different drivers
   - greybus loopback_test fixes
   - wfx driver fixes

  All of these have been in linux-next with no reported issues"

* tag 'staging-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
  staging: greybus: loopback_test: fix potential path truncations
  staging: greybus: loopback_test: fix potential path truncation
  staging: greybus: loopback_test: fix poll-mask build breakage
  staging: wfx: fix RCU usage between hif_join() and ieee80211_bss_get_ie()
  staging: wfx: fix RCU usage in wfx_join_finalize()
  staging: wfx: make warning about pending frame less scary
  staging: wfx: fix lines ending with a comma instead of a semicolon
  staging: wfx: fix warning about freeing in-use mutex during device unregister
  staging/speakup: fix get_word non-space look-ahead
  iio: ping: set pa_laser_ping_cfg in of_ping_match
  iio: chemical: sps30: fix missing triggered buffer dependency
  iio: st_sensors: remap SMO8840 to LIS2DH12
  iio: light: vcnl4000: update sampling periods for vcnl4040
  iio: light: vcnl4000: update sampling periods for vcnl4200
  iio: accel: adxl372: Set iio_chan BE
  iio: magnetometer: ak8974: Fix negative raw values in sysfs
  iio: trigger: stm32-timer: disable master mode when stopping
  iio: adc: stm32-dfsdm: fix sleep in atomic context
  iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
This commit is contained in:
Linus Torvalds 2020-03-20 09:20:38 -07:00
commit 3bd14829d3
16 changed files with 95 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/iio/accel/adxl372.c
View File

@ -237,6 +237,7 @@ static const struct adxl372_axis_lookup adxl372_axis_lookup_table[] = {
.realbits = 12, \
.storagebits = 16, \
.shift = 4, \
.endianness = IIO_BE, \
}, \
}

2
drivers/iio/accel/st_accel_i2c.c
View File

@ -110,7 +110,7 @@ MODULE_DEVICE_TABLE(of, st_accel_of_match);
#ifdef CONFIG_ACPI
static const struct acpi_device_id st_accel_acpi_match[] = {
{"SMO8840", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
{"SMO8840", (kernel_ulong_t)LIS2DH12_ACCEL_DEV_NAME},
{"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
{ },
};

15
drivers/iio/adc/at91-sama5d2_adc.c
View File

@ -723,6 +723,7 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
for_each_set_bit(bit, indio->active_scan_mask, indio->num_channels) {
struct iio_chan_spec const *chan = at91_adc_chan_get(indio, bit);
u32 cor;
if (!chan)
continue;
@ -731,6 +732,20 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state)
chan->type == IIO_PRESSURE)
continue;
if (state) {
cor = at91_adc_readl(st, AT91_SAMA5D2_COR);
if (chan->differential)
cor |= (BIT(chan->channel) |
BIT(chan->channel2)) <<
AT91_SAMA5D2_COR_DIFF_OFFSET;
else
cor &= ~(BIT(chan->channel) <<
AT91_SAMA5D2_COR_DIFF_OFFSET);
at91_adc_writel(st, AT91_SAMA5D2_COR, cor);
}
if (state) {
at91_adc_writel(st, AT91_SAMA5D2_CHER,
BIT(chan->channel));

43
drivers/iio/adc/stm32-dfsdm-adc.c
View File

@ -842,31 +842,6 @@ static inline void stm32_dfsdm_process_data(struct stm32_dfsdm_adc *adc,
}
}
static irqreturn_t stm32_dfsdm_adc_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
int available = stm32_dfsdm_adc_dma_residue(adc);
while (available >= indio_dev->scan_bytes) {
s32 *buffer = (s32 *)&adc->rx_buf[adc->bufi];
stm32_dfsdm_process_data(adc, buffer);
iio_push_to_buffers_with_timestamp(indio_dev, buffer,
pf->timestamp);
available -= indio_dev->scan_bytes;
adc->bufi += indio_dev->scan_bytes;
if (adc->bufi >= adc->buf_sz)
adc->bufi = 0;
}
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
}
static void stm32_dfsdm_dma_buffer_done(void *data)
{
struct iio_dev *indio_dev = data;
@ -874,11 +849,6 @@ static void stm32_dfsdm_dma_buffer_done(void *data)
int available = stm32_dfsdm_adc_dma_residue(adc);
size_t old_pos;
if (indio_dev->currentmode & INDIO_BUFFER_TRIGGERED) {
iio_trigger_poll_chained(indio_dev->trig);
return;
}
/*
* FIXME: In Kernel interface does not support cyclic DMA buffer,and
* offers only an interface to push data samples per samples.
@ -906,7 +876,15 @@ static void stm32_dfsdm_dma_buffer_done(void *data)
adc->bufi = 0;
old_pos = 0;
}
/* regular iio buffer without trigger */
/*
* In DMA mode the trigger services of IIO are not used
* (e.g. no call to iio_trigger_poll).
* Calling irq handler associated to the hardware trigger is not
* relevant as the conversions have already been done. Data
* transfers are performed directly in DMA callback instead.
* This implementation avoids to call trigger irq handler that
* may sleep, in an atomic context (DMA irq handler context).
*/
if (adc->dev_data->type == DFSDM_IIO)
iio_push_to_buffers(indio_dev, buffer);
}
@ -1536,8 +1514,7 @@ static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev)
}
ret = iio_triggered_buffer_setup(indio_dev,
&iio_pollfunc_store_time,
&stm32_dfsdm_adc_trigger_handler,
&iio_pollfunc_store_time, NULL,
&stm32_dfsdm_buffer_setup_ops);
if (ret) {
stm32_dfsdm_dma_release(indio_dev);

2
drivers/iio/chemical/Kconfig
View File

@ -91,6 +91,8 @@ config SPS30
tristate "SPS30 particulate matter sensor"
depends on I2C
select CRC8
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
Say Y here to build support for the Sensirion SPS30 particulate
matter sensor.

15
drivers/iio/light/vcnl4000.c
View File

@ -167,16 +167,17 @@ static int vcnl4200_init(struct vcnl4000_data *data)
data->vcnl4200_ps.reg = VCNL4200_PS_DATA;
switch (id) {
case VCNL4200_PROD_ID:
/* Integration time is 50ms, but the experiments */
/* show 54ms in total. */
data->vcnl4200_al.sampling_rate = ktime_set(0, 54000 * 1000);
data->vcnl4200_ps.sampling_rate = ktime_set(0, 4200 * 1000);
/* Default wait time is 50ms, add 20% tolerance. */
data->vcnl4200_al.sampling_rate = ktime_set(0, 60000 * 1000);
/* Default wait time is 4.8ms, add 20% tolerance. */
data->vcnl4200_ps.sampling_rate = ktime_set(0, 5760 * 1000);
data->al_scale = 24000;
break;
case VCNL4040_PROD_ID:
/* Integration time is 80ms, add 10ms. */
data->vcnl4200_al.sampling_rate = ktime_set(0, 100000 * 1000);
data->vcnl4200_ps.sampling_rate = ktime_set(0, 100000 * 1000);
/* Default wait time is 80ms, add 20% tolerance. */
data->vcnl4200_al.sampling_rate = ktime_set(0, 96000 * 1000);
/* Default wait time is 5ms, add 20% tolerance. */
data->vcnl4200_ps.sampling_rate = ktime_set(0, 6000 * 1000);
data->al_scale = 120000;
break;
}

2
drivers/iio/magnetometer/ak8974.c
View File

@ -564,7 +564,7 @@ static int ak8974_read_raw(struct iio_dev *indio_dev,
* We read all axes and discard all but one, for optimized
* reading, use the triggered buffer.
*/
*val = le16_to_cpu(hw_values[chan->address]);
*val = (s16)le16_to_cpu(hw_values[chan->address]);
ret = IIO_VAL_INT;
}

2
drivers/iio/proximity/ping.c
View File

@ -269,7 +269,7 @@ static const struct iio_chan_spec ping_chan_spec[] = {
static const struct of_device_id of_ping_match[] = {
{ .compatible = "parallax,ping", .data = &pa_ping_cfg},
{ .compatible = "parallax,laserping", .data = &pa_ping_cfg},
{ .compatible = "parallax,laserping", .data = &pa_laser_ping_cfg},
{},
};

11
drivers/iio/trigger/stm32-timer-trigger.c
View File

@ -161,7 +161,8 @@ static int stm32_timer_start(struct stm32_timer_trigger *priv,
return 0;
}
static void stm32_timer_stop(struct stm32_timer_trigger *priv)
static void stm32_timer_stop(struct stm32_timer_trigger *priv,
struct iio_trigger *trig)
{
u32 ccer, cr1;
@ -179,6 +180,12 @@ static void stm32_timer_stop(struct stm32_timer_trigger *priv)
regmap_write(priv->regmap, TIM_PSC, 0);
regmap_write(priv->regmap, TIM_ARR, 0);
/* Force disable master mode */
if (stm32_timer_is_trgo2_name(trig->name))
regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS2, 0);
else
regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS, 0);
/* Make sure that registers are updated */
regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG);
}
@ -197,7 +204,7 @@ static ssize_t stm32_tt_store_frequency(struct device *dev,
return ret;
if (freq == 0) {
stm32_timer_stop(priv);
stm32_timer_stop(priv, trig);
} else {
ret = stm32_timer_start(priv, trig, freq);
if (ret)

21
drivers/staging/greybus/tools/loopback_test.c
View File

@ -19,6 +19,7 @@
#include <signal.h>
#define MAX_NUM_DEVICES 10
#define MAX_SYSFS_PREFIX 0x80
#define MAX_SYSFS_PATH 0x200
#define CSV_MAX_LINE 0x1000
#define SYSFS_MAX_INT 0x20
@ -67,7 +68,7 @@ struct loopback_results {
};
struct loopback_device {
char name[MAX_SYSFS_PATH];
char name[MAX_STR_LEN];
char sysfs_entry[MAX_SYSFS_PATH];
char debugfs_entry[MAX_SYSFS_PATH];
struct loopback_results results;
@ -93,8 +94,8 @@ struct loopback_test {
int stop_all;
int poll_count;
char test_name[MAX_STR_LEN];
char sysfs_prefix[MAX_SYSFS_PATH];
char debugfs_prefix[MAX_SYSFS_PATH];
char sysfs_prefix[MAX_SYSFS_PREFIX];
char debugfs_prefix[MAX_SYSFS_PREFIX];
struct timespec poll_timeout;
struct loopback_device devices[MAX_NUM_DEVICES];
struct loopback_results aggregate_results;
@ -637,7 +638,7 @@ baddir:
static int open_poll_files(struct loopback_test *t)
{
struct loopback_device *dev;
char buf[MAX_STR_LEN];
char buf[MAX_SYSFS_PATH + MAX_STR_LEN];
char dummy;
int fds_idx = 0;
int i;
@ -655,7 +656,7 @@ static int open_poll_files(struct loopback_test *t)
goto err;
}
read(t->fds[fds_idx].fd, &dummy, 1);
t->fds[fds_idx].events = EPOLLERR|EPOLLPRI;
t->fds[fds_idx].events = POLLERR | POLLPRI;
t->fds[fds_idx].revents = 0;
fds_idx++;
}
@ -748,7 +749,7 @@ static int wait_for_complete(struct loopback_test *t)
}
for (i = 0; i < t->poll_count; i++) {
if (t->fds[i].revents & EPOLLPRI) {
if (t->fds[i].revents & POLLPRI) {
/* Dummy read to clear the event */
read(t->fds[i].fd, &dummy, 1);
number_of_events++;
@ -907,10 +908,10 @@ int main(int argc, char *argv[])
t.iteration_max = atoi(optarg);
break;
case 'S':
snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
break;
case 'D':
snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
break;
case 'm':
t.mask = atol(optarg);
@ -961,10 +962,10 @@ int main(int argc, char *argv[])
}
if (!strcmp(t.sysfs_prefix, ""))
snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", sysfs_prefix);
snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", sysfs_prefix);
if (!strcmp(t.debugfs_prefix, ""))
snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", debugfs_prefix);
snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", debugfs_prefix);
ret = find_loopback_devices(&t);
if (ret)

1
drivers/staging/rtl8188eu/os_dep/usb_intf.c
View File

@ -38,6 +38,7 @@ static const struct usb_device_id rtw_usb_id_tbl[] = {
{USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
{USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
{USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
{} /* Terminating entry */

2
drivers/staging/speakup/main.c
View File

@ -561,7 +561,7 @@ static u_long get_word(struct vc_data *vc)
return 0;
} else if (tmpx < vc->vc_cols - 2 &&
(ch == SPACE || ch == 0 || (ch < 0x100 && IS_WDLM(ch))) &&
get_char(vc, (u_short *)&tmp_pos + 1, &temp) > SPACE) {
get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE) {
tmp_pos += 2;
tmpx++;
} else {

15
drivers/staging/wfx/hif_tx.c
View File

@ -140,6 +140,7 @@ int hif_shutdown(struct wfx_dev *wdev)
else
control_reg_write(wdev, 0);
mutex_unlock(&wdev->hif_cmd.lock);
mutex_unlock(&wdev->hif_cmd.key_renew_lock);
kfree(hif);
return ret;
}
@ -289,7 +290,7 @@ int hif_stop_scan(struct wfx_vif *wvif)
}
int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
const struct ieee80211_channel *channel, const u8 *ssidie)
struct ieee80211_channel *channel, const u8 *ssid, int ssidlen)
{
int ret;
struct hif_msg *hif;
@ -307,9 +308,9 @@ int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
body->basic_rate_set =
cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));
memcpy(body->bssid, conf->bssid, sizeof(body->bssid));
if (!conf->ibss_joined && ssidie) {
body->ssid_length = cpu_to_le32(ssidie[1]);
memcpy(body->ssid, &ssidie[2], ssidie[1]);
if (!conf->ibss_joined && ssid) {
body->ssid_length = cpu_to_le32(ssidlen);
memcpy(body->ssid, ssid, ssidlen);
}
wfx_fill_header(hif, wvif->id, HIF_REQ_ID_JOIN, sizeof(*body));
ret = wfx_cmd_send(wvif->wdev, hif, NULL, 0, false);
@ -427,9 +428,9 @@ int hif_start(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
struct hif_msg *hif;
struct hif_req_start *body = wfx_alloc_hif(sizeof(*body), &hif);
body->dtim_period = conf->dtim_period,
body->short_preamble = conf->use_short_preamble,
body->channel_number = cpu_to_le16(channel->hw_value),
body->dtim_period = conf->dtim_period;
body->short_preamble = conf->use_short_preamble;
body->channel_number = cpu_to_le16(channel->hw_value);
body->beacon_interval = cpu_to_le32(conf->beacon_int);
body->basic_rate_set =
cpu_to_le32(wfx_rate_mask_to_hw(wvif->wdev, conf->basic_rates));

2
drivers/staging/wfx/hif_tx.h
View File

@ -46,7 +46,7 @@ int hif_scan(struct wfx_vif *wvif, struct cfg80211_scan_request *req80211,
int chan_start, int chan_num);
int hif_stop_scan(struct wfx_vif *wvif);
int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf,
const struct ieee80211_channel *channel, const u8 *ssidie);
struct ieee80211_channel *channel, const u8 *ssid, int ssidlen);
int hif_set_pm(struct wfx_vif *wvif, bool ps, int dynamic_ps_timeout);
int hif_set_bss_params(struct wfx_vif *wvif,
const struct hif_req_set_bss_params *arg);

15
drivers/staging/wfx/hif_tx_mib.h
View File

@ -191,10 +191,10 @@ static inline int hif_set_block_ack_policy(struct wfx_vif *wvif,
}
static inline int hif_set_association_mode(struct wfx_vif *wvif,
struct ieee80211_bss_conf *info,
struct ieee80211_sta_ht_cap *ht_cap)
struct ieee80211_bss_conf *info)
{
int basic_rates = wfx_rate_mask_to_hw(wvif->wdev, info->basic_rates);
struct ieee80211_sta *sta = NULL;
struct hif_mib_set_association_mode val = {
.preambtype_use = 1,
.mode = 1,
@ -204,12 +204,17 @@ static inline int hif_set_association_mode(struct wfx_vif *wvif,
.basic_rate_set = cpu_to_le32(basic_rates)
};
rcu_read_lock(); // protect sta
if (info->bssid && !info->ibss_joined)
sta = ieee80211_find_sta(wvif->vif, info->bssid);
// FIXME: it is strange to not retrieve all information from bss_info
if (ht_cap && ht_cap->ht_supported) {
val.mpdu_start_spacing = ht_cap->ampdu_density;
if (sta && sta->ht_cap.ht_supported) {
val.mpdu_start_spacing = sta->ht_cap.ampdu_density;
if (!(info->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
val.greenfield = !!(ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD);
val.greenfield = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
}
rcu_read_unlock();
return hif_write_mib(wvif->wdev, wvif->id,
HIF_MIB_ID_SET_ASSOCIATION_MODE, &val, sizeof(val));

25
drivers/staging/wfx/sta.c
View File

@ -491,9 +491,11 @@ static void wfx_set_mfp(struct wfx_vif *wvif,
static void wfx_do_join(struct wfx_vif *wvif)
{
int ret;
const u8 *ssidie;
struct ieee80211_bss_conf *conf = &wvif->vif->bss_conf;
struct cfg80211_bss *bss = NULL;
u8 ssid[IEEE80211_MAX_SSID_LEN];
const u8 *ssidie = NULL;
int ssidlen = 0;
wfx_tx_lock_flush(wvif->wdev);
@ -514,11 +516,14 @@ static void wfx_do_join(struct wfx_vif *wvif)
if (!wvif->beacon_int)
wvif->beacon_int = 1;
rcu_read_lock();
rcu_read_lock(); // protect ssidie
if (!conf->ibss_joined)
ssidie = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
else
ssidie = NULL;
if (ssidie) {
ssidlen = ssidie[1];
memcpy(ssid, &ssidie[2], ssidie[1]);
}
rcu_read_unlock();
wfx_tx_flush(wvif->wdev);
@ -527,10 +532,8 @@ static void wfx_do_join(struct wfx_vif *wvif)
wfx_set_mfp(wvif, bss);
/* Perform actual join */
wvif->wdev->tx_burst_idx = -1;
ret = hif_join(wvif, conf, wvif->channel, ssidie);
rcu_read_unlock();
ret = hif_join(wvif, conf, wvif->channel, ssid, ssidlen);
if (ret) {
ieee80211_connection_loss(wvif->vif);
wvif->join_complete_status = -1;
@ -605,7 +608,9 @@ int wfx_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int i;
for (i = 0; i < ARRAY_SIZE(sta_priv->buffered); i++)
WARN(sta_priv->buffered[i], "release station while Tx is in progress");
if (sta_priv->buffered[i])
dev_warn(wvif->wdev->dev, "release station while %d pending frame on queue %d",
sta_priv->buffered[i], i);
// FIXME: see note in wfx_sta_add()
if (vif->type == NL80211_IFTYPE_STATION)
return 0;
@ -689,6 +694,7 @@ static void wfx_join_finalize(struct wfx_vif *wvif,
wfx_rate_mask_to_hw(wvif->wdev, sta->supp_rates[wvif->channel->band]);
else
wvif->bss_params.operational_rate_set = -1;
rcu_read_unlock();
if (sta &&
info->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
hif_dual_cts_protection(wvif, true);
@ -701,8 +707,7 @@ static void wfx_join_finalize(struct wfx_vif *wvif,
wvif->bss_params.beacon_lost_count = 20;
wvif->bss_params.aid = info->aid;
hif_set_association_mode(wvif, info, sta ? &sta->ht_cap : NULL);
rcu_read_unlock();
hif_set_association_mode(wvif, info);
if (!info->ibss_joined) {
hif_keep_alive_period(wvif, 30 /* sec */);