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-rw-r--r--drivers/iio/adc/aspeed_adc.c7
-rw-r--r--drivers/iio/adc/stm32-adc.c7
-rw-r--r--drivers/iio/imu/adis_trigger.c7
-rw-r--r--drivers/iio/industrialio-buffer.c2
-rw-r--r--drivers/iio/proximity/Kconfig2
-rw-r--r--drivers/staging/android/ashmem.c19
-rw-r--r--drivers/staging/android/ion/ion_cma_heap.c17
-rw-r--r--drivers/staging/fsl-mc/bus/Kconfig2
-rw-r--r--drivers/staging/iio/adc/ad7192.c27
-rw-r--r--drivers/staging/iio/impedance-analyzer/ad5933.c4
10 files changed, 64 insertions, 30 deletions
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index 327a49ba1991..9515ca165dfd 100644
--- a/drivers/iio/adc/aspeed_adc.c
+++ b/drivers/iio/adc/aspeed_adc.c
@@ -243,7 +243,7 @@ static int aspeed_adc_probe(struct platform_device *pdev)
ASPEED_ADC_INIT_POLLING_TIME,
ASPEED_ADC_INIT_TIMEOUT);
if (ret)
- goto scaler_error;
+ goto poll_timeout_error;
}
/* Start all channels in normal mode. */
@@ -274,9 +274,10 @@ iio_register_error:
writel(ASPEED_OPERATION_MODE_POWER_DOWN,
data->base + ASPEED_REG_ENGINE_CONTROL);
clk_disable_unprepare(data->clk_scaler->clk);
-reset_error:
- reset_control_assert(data->rst);
clk_enable_error:
+poll_timeout_error:
+ reset_control_assert(data->rst);
+reset_error:
clk_hw_unregister_divider(data->clk_scaler);
scaler_error:
clk_hw_unregister_divider(data->clk_prescaler);
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 7f5def465340..9a2583caedaa 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -722,8 +722,6 @@ static int stm32h7_adc_enable(struct stm32_adc *adc)
int ret;
u32 val;
- /* Clear ADRDY by writing one, then enable ADC */
- stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY);
stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN);
/* Poll for ADRDY to be set (after adc startup time) */
@@ -731,8 +729,11 @@ static int stm32h7_adc_enable(struct stm32_adc *adc)
val & STM32H7_ADRDY,
100, STM32_ADC_TIMEOUT_US);
if (ret) {
- stm32_adc_clr_bits(adc, STM32H7_ADC_CR, STM32H7_ADEN);
+ stm32_adc_set_bits(adc, STM32H7_ADC_CR, STM32H7_ADDIS);
dev_err(&indio_dev->dev, "Failed to enable ADC\n");
+ } else {
+ /* Clear ADRDY by writing one */
+ stm32_adc_set_bits(adc, STM32H7_ADC_ISR, STM32H7_ADRDY);
}
return ret;
diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c
index 0dd5a381be64..457372f36791 100644
--- a/drivers/iio/imu/adis_trigger.c
+++ b/drivers/iio/imu/adis_trigger.c
@@ -46,6 +46,10 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev)
if (adis->trig == NULL)
return -ENOMEM;
+ adis->trig->dev.parent = &adis->spi->dev;
+ adis->trig->ops = &adis_trigger_ops;
+ iio_trigger_set_drvdata(adis->trig, adis);
+
ret = request_irq(adis->spi->irq,
&iio_trigger_generic_data_rdy_poll,
IRQF_TRIGGER_RISING,
@@ -54,9 +58,6 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev)
if (ret)
goto error_free_trig;
- adis->trig->dev.parent = &adis->spi->dev;
- adis->trig->ops = &adis_trigger_ops;
- iio_trigger_set_drvdata(adis->trig, adis);
ret = iio_trigger_register(adis->trig);
indio_dev->trig = iio_trigger_get(adis->trig);
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 79abf70a126d..cd5bfe39591b 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -175,7 +175,7 @@ __poll_t iio_buffer_poll(struct file *filp,
struct iio_dev *indio_dev = filp->private_data;
struct iio_buffer *rb = indio_dev->buffer;
- if (!indio_dev->info)
+ if (!indio_dev->info || rb == NULL)
return 0;
poll_wait(filp, &rb->pollq, wait);
diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig
index fcb1c4ba5e41..f726f9427602 100644
--- a/drivers/iio/proximity/Kconfig
+++ b/drivers/iio/proximity/Kconfig
@@ -68,6 +68,8 @@ config SX9500
config SRF08
tristate "Devantech SRF02/SRF08/SRF10 ultrasonic ranger sensor"
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
depends on I2C
help
Say Y here to build a driver for Devantech SRF02/SRF08/SRF10
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index bbdc53b686dd..6dbba5aff191 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -702,30 +702,32 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
size_t pgstart, pgend;
int ret = -EINVAL;
+ mutex_lock(&ashmem_mutex);
+
if (unlikely(!asma->file))
- return -EINVAL;
+ goto out_unlock;
- if (unlikely(copy_from_user(&pin, p, sizeof(pin))))
- return -EFAULT;
+ if (unlikely(copy_from_user(&pin, p, sizeof(pin)))) {
+ ret = -EFAULT;
+ goto out_unlock;
+ }
/* per custom, you can pass zero for len to mean "everything onward" */
if (!pin.len)
pin.len = PAGE_ALIGN(asma->size) - pin.offset;
if (unlikely((pin.offset | pin.len) & ~PAGE_MASK))
- return -EINVAL;
+ goto out_unlock;
if (unlikely(((__u32)-1) - pin.offset < pin.len))
- return -EINVAL;
+ goto out_unlock;
if (unlikely(PAGE_ALIGN(asma->size) < pin.offset + pin.len))
- return -EINVAL;
+ goto out_unlock;
pgstart = pin.offset / PAGE_SIZE;
pgend = pgstart + (pin.len / PAGE_SIZE) - 1;
- mutex_lock(&ashmem_mutex);
-
switch (cmd) {
case ASHMEM_PIN:
ret = ashmem_pin(asma, pgstart, pgend);
@@ -738,6 +740,7 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
break;
}
+out_unlock:
mutex_unlock(&ashmem_mutex);
return ret;
diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/ion_cma_heap.c
index 94e06925c712..49718c96bf9e 100644
--- a/drivers/staging/android/ion/ion_cma_heap.c
+++ b/drivers/staging/android/ion/ion_cma_heap.c
@@ -12,6 +12,7 @@
#include <linux/err.h>
#include <linux/cma.h>
#include <linux/scatterlist.h>
+#include <linux/highmem.h>
#include "ion.h"
@@ -42,6 +43,22 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer,
if (!pages)
return -ENOMEM;
+ if (PageHighMem(pages)) {
+ unsigned long nr_clear_pages = nr_pages;
+ struct page *page = pages;
+
+ while (nr_clear_pages > 0) {
+ void *vaddr = kmap_atomic(page);
+
+ memset(vaddr, 0, PAGE_SIZE);
+ kunmap_atomic(vaddr);
+ page++;
+ nr_clear_pages--;
+ }
+ } else {
+ memset(page_address(pages), 0, size);
+ }
+
table = kmalloc(sizeof(*table), GFP_KERNEL);
if (!table)
goto err;
diff --git a/drivers/staging/fsl-mc/bus/Kconfig b/drivers/staging/fsl-mc/bus/Kconfig
index 1f9100049176..b35ef7ee6901 100644
--- a/drivers/staging/fsl-mc/bus/Kconfig
+++ b/drivers/staging/fsl-mc/bus/Kconfig
@@ -7,7 +7,7 @@
config FSL_MC_BUS
bool "QorIQ DPAA2 fsl-mc bus driver"
- depends on OF && (ARCH_LAYERSCAPE || (COMPILE_TEST && (ARM || ARM64 || X86 || PPC)))
+ depends on OF && (ARCH_LAYERSCAPE || (COMPILE_TEST && (ARM || ARM64 || X86_LOCAL_APIC || PPC)))
select GENERIC_MSI_IRQ_DOMAIN
help
Driver to enable the bus infrastructure for the QorIQ DPAA2
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index f01595593ce2..425e8b82533b 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -141,6 +141,8 @@
#define AD7192_GPOCON_P1DAT BIT(1) /* P1 state */
#define AD7192_GPOCON_P0DAT BIT(0) /* P0 state */
+#define AD7192_EXT_FREQ_MHZ_MIN 2457600
+#define AD7192_EXT_FREQ_MHZ_MAX 5120000
#define AD7192_INT_FREQ_MHZ 4915200
/* NOTE:
@@ -218,6 +220,12 @@ static int ad7192_calibrate_all(struct ad7192_state *st)
ARRAY_SIZE(ad7192_calib_arr));
}
+static inline bool ad7192_valid_external_frequency(u32 freq)
+{
+ return (freq >= AD7192_EXT_FREQ_MHZ_MIN &&
+ freq <= AD7192_EXT_FREQ_MHZ_MAX);
+}
+
static int ad7192_setup(struct ad7192_state *st,
const struct ad7192_platform_data *pdata)
{
@@ -243,17 +251,20 @@ static int ad7192_setup(struct ad7192_state *st,
id);
switch (pdata->clock_source_sel) {
- case AD7192_CLK_EXT_MCLK1_2:
- case AD7192_CLK_EXT_MCLK2:
- st->mclk = AD7192_INT_FREQ_MHZ;
- break;
case AD7192_CLK_INT:
case AD7192_CLK_INT_CO:
- if (pdata->ext_clk_hz)
- st->mclk = pdata->ext_clk_hz;
- else
- st->mclk = AD7192_INT_FREQ_MHZ;
+ st->mclk = AD7192_INT_FREQ_MHZ;
break;
+ case AD7192_CLK_EXT_MCLK1_2:
+ case AD7192_CLK_EXT_MCLK2:
+ if (ad7192_valid_external_frequency(pdata->ext_clk_hz)) {
+ st->mclk = pdata->ext_clk_hz;
+ break;
+ }
+ dev_err(&st->sd.spi->dev, "Invalid frequency setting %u\n",
+ pdata->ext_clk_hz);
+ ret = -EINVAL;
+ goto out;
default:
ret = -EINVAL;
goto out;
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 2b28fb9c0048..3bcf49466361 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -648,8 +648,6 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev)
/* Ring buffer functions - here trigger setup related */
indio_dev->setup_ops = &ad5933_ring_setup_ops;
- indio_dev->modes |= INDIO_BUFFER_HARDWARE;
-
return 0;
}
@@ -762,7 +760,7 @@ static int ad5933_probe(struct i2c_client *client,
indio_dev->dev.parent = &client->dev;
indio_dev->info = &ad5933_info;
indio_dev->name = id->name;
- indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->modes = (INDIO_BUFFER_SOFTWARE | INDIO_DIRECT_MODE);
indio_dev->channels = ad5933_channels;
indio_dev->num_channels = ARRAY_SIZE(ad5933_channels);