summaryrefslogtreecommitdiff
path: root/drivers/spi/spi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 8f97a3eacdea..32c01e684af3 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -95,7 +95,7 @@ static ssize_t driver_override_show(struct device *dev,
}
static DEVICE_ATTR_RW(driver_override);
-static struct spi_statistics *spi_alloc_pcpu_stats(struct device *dev)
+static struct spi_statistics __percpu *spi_alloc_pcpu_stats(struct device *dev)
{
struct spi_statistics __percpu *pcpu_stats;
@@ -162,7 +162,7 @@ static struct device_attribute dev_attr_spi_device_##field = { \
}
#define SPI_STATISTICS_SHOW_NAME(name, file, field) \
-static ssize_t spi_statistics_##name##_show(struct spi_statistics *stat, \
+static ssize_t spi_statistics_##name##_show(struct spi_statistics __percpu *stat, \
char *buf) \
{ \
ssize_t len; \
@@ -309,7 +309,7 @@ static const struct attribute_group *spi_master_groups[] = {
NULL,
};
-static void spi_statistics_add_transfer_stats(struct spi_statistics *pcpu_stats,
+static void spi_statistics_add_transfer_stats(struct spi_statistics __percpu *pcpu_stats,
struct spi_transfer *xfer,
struct spi_controller *ctlr)
{
@@ -1275,8 +1275,8 @@ static int spi_transfer_wait(struct spi_controller *ctlr,
struct spi_message *msg,
struct spi_transfer *xfer)
{
- struct spi_statistics *statm = ctlr->pcpu_statistics;
- struct spi_statistics *stats = msg->spi->pcpu_statistics;
+ struct spi_statistics __percpu *statm = ctlr->pcpu_statistics;
+ struct spi_statistics __percpu *stats = msg->spi->pcpu_statistics;
u32 speed_hz = xfer->speed_hz;
unsigned long long ms;
@@ -1432,8 +1432,8 @@ static int spi_transfer_one_message(struct spi_controller *ctlr,
struct spi_transfer *xfer;
bool keep_cs = false;
int ret = 0;
- struct spi_statistics *statm = ctlr->pcpu_statistics;
- struct spi_statistics *stats = msg->spi->pcpu_statistics;
+ struct spi_statistics __percpu *statm = ctlr->pcpu_statistics;
+ struct spi_statistics __percpu *stats = msg->spi->pcpu_statistics;
spi_set_cs(msg->spi, true, false);
@@ -1727,8 +1727,7 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
spin_unlock_irqrestore(&ctlr->queue_lock, flags);
ret = __spi_pump_transfer_message(ctlr, msg, was_busy);
- if (!ret)
- kthread_queue_work(ctlr->kworker, &ctlr->pump_messages);
+ kthread_queue_work(ctlr->kworker, &ctlr->pump_messages);
ctlr->cur_msg = NULL;
ctlr->fallback = false;
@@ -4033,7 +4032,7 @@ static int __spi_sync(struct spi_device *spi, struct spi_message *message)
* guard against reentrancy from a different context. The io_mutex
* will catch those cases.
*/
- if (READ_ONCE(ctlr->queue_empty)) {
+ if (READ_ONCE(ctlr->queue_empty) && !ctlr->must_async) {
message->actual_length = 0;
message->status = -EINPROGRESS;