diff options
Diffstat (limited to 'drivers/input/serio/sun4i-ps2.c')
| -rw-r--r-- | drivers/input/serio/sun4i-ps2.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c index eb262640192e..524929ce1cae 100644 --- a/drivers/input/serio/sun4i-ps2.c +++ b/drivers/input/serio/sun4i-ps2.c @@ -101,7 +101,7 @@ static irqreturn_t sun4i_ps2_interrupt(int irq, void *dev_id) unsigned int rxflags = 0; u32 rval; - spin_lock(&drvdata->lock); + guard(spinlock)(&drvdata->lock); /* Get the PS/2 interrupts and clear them */ intr_status = readl(drvdata->reg_base + PS2_REG_LSTS); @@ -134,8 +134,6 @@ static irqreturn_t sun4i_ps2_interrupt(int irq, void *dev_id) writel(intr_status, drvdata->reg_base + PS2_REG_LSTS); writel(fifo_status, drvdata->reg_base + PS2_REG_FSTS); - spin_unlock(&drvdata->lock); - return IRQ_HANDLED; } @@ -146,7 +144,6 @@ static int sun4i_ps2_open(struct serio *serio) u32 clk_scdf; u32 clk_pcdf; u32 rval; - unsigned long flags; /* Set line control and enable interrupt */ rval = PS2_LCTL_STOPERREN | PS2_LCTL_ACKERREN @@ -171,9 +168,8 @@ static int sun4i_ps2_open(struct serio *serio) rval = PS2_GCTL_RESET | PS2_GCTL_INTEN | PS2_GCTL_MASTER | PS2_GCTL_BUSEN; - spin_lock_irqsave(&drvdata->lock, flags); + guard(spinlock_irqsave)(&drvdata->lock); writel(rval, drvdata->reg_base + PS2_REG_GCTL); - spin_unlock_irqrestore(&drvdata->lock, flags); return 0; } @@ -213,8 +209,8 @@ static int sun4i_ps2_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int error; - drvdata = kzalloc(sizeof(struct sun4i_ps2data), GFP_KERNEL); - serio = kzalloc(sizeof(struct serio), GFP_KERNEL); + drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); + serio = kzalloc(sizeof(*serio), GFP_KERNEL); if (!drvdata || !serio) { error = -ENOMEM; goto err_free_mem; @@ -297,7 +293,7 @@ err_free_mem: return error; } -static int sun4i_ps2_remove(struct platform_device *pdev) +static void sun4i_ps2_remove(struct platform_device *pdev) { struct sun4i_ps2data *drvdata = platform_get_drvdata(pdev); @@ -311,8 +307,6 @@ static int sun4i_ps2_remove(struct platform_device *pdev) iounmap(drvdata->reg_base); kfree(drvdata); - - return 0; } static const struct of_device_id sun4i_ps2_match[] = { |