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path: root/drivers/i2c/muxes/i2c-mux-pca954x.c
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Diffstat (limited to 'drivers/i2c/muxes/i2c-mux-pca954x.c')
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca954x.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index ad31d21da316..f1751c290af6 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -84,7 +84,7 @@ struct pca954x {
struct irq_domain *irq;
unsigned int irq_mask;
- spinlock_t lock;
+ raw_spinlock_t lock;
};
/* Provide specs for the PCA954x types we know about */
@@ -252,13 +252,13 @@ static void pca954x_irq_mask(struct irq_data *idata)
unsigned int pos = idata->hwirq;
unsigned long flags;
- spin_lock_irqsave(&data->lock, flags);
+ raw_spin_lock_irqsave(&data->lock, flags);
data->irq_mask &= ~BIT(pos);
if (!data->irq_mask)
disable_irq(data->client->irq);
- spin_unlock_irqrestore(&data->lock, flags);
+ raw_spin_unlock_irqrestore(&data->lock, flags);
}
static void pca954x_irq_unmask(struct irq_data *idata)
@@ -267,13 +267,13 @@ static void pca954x_irq_unmask(struct irq_data *idata)
unsigned int pos = idata->hwirq;
unsigned long flags;
- spin_lock_irqsave(&data->lock, flags);
+ raw_spin_lock_irqsave(&data->lock, flags);
if (!data->irq_mask)
enable_irq(data->client->irq);
data->irq_mask |= BIT(pos);
- spin_unlock_irqrestore(&data->lock, flags);
+ raw_spin_unlock_irqrestore(&data->lock, flags);
}
static int pca954x_irq_set_type(struct irq_data *idata, unsigned int type)
@@ -299,7 +299,7 @@ static int pca954x_irq_setup(struct i2c_mux_core *muxc)
if (!data->chip->has_irq || client->irq <= 0)
return 0;
- spin_lock_init(&data->lock);
+ raw_spin_lock_init(&data->lock);
data->irq = irq_domain_add_linear(client->dev.of_node,
data->chip->nchans,
@@ -413,13 +413,8 @@ static int pca954x_probe(struct i2c_client *client,
idle_disconnect_dt) << num;
ret = i2c_mux_add_adapter(muxc, force, num, class);
-
- if (ret) {
- dev_err(&client->dev,
- "failed to register multiplexed adapter"
- " %d as bus %d\n", num, force);
+ if (ret)
goto fail_del_adapters;
- }
}
dev_info(&client->dev,