summaryrefslogtreecommitdiff
path: root/drivers/input/serio
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@armlinux.org.uk>2017-09-26 09:56:56 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-09-26 11:52:07 -0700
commita12ded48b3e67f9d6180002b208de5b12e39e6f0 (patch)
tree9a3feb086cc78118b7d09384482ae3330244eaa4 /drivers/input/serio
parente6c44368761c069b3749c6a5591fe1aa6042f648 (diff)
Input: sa1111ps2 - remove special sa1111 mmio accessors
Remove the special SA1111 MMIO accessors from the SA1111 PS/2 driver as their definition will be removed shortly. The SA1111 accessors are barrierless, so use the _relaxed variants. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/sa1111ps2.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index 3b54050b9fc7..f1c036260d25 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -66,22 +66,22 @@ static irqreturn_t ps2_rxint(int irq, void *dev_id)
struct ps2if *ps2if = dev_id;
unsigned int scancode, flag, status;
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
while (status & PS2STAT_RXF) {
if (status & PS2STAT_STP)
- sa1111_writel(PS2STAT_STP, ps2if->base + PS2STAT);
+ writel_relaxed(PS2STAT_STP, ps2if->base + PS2STAT);
flag = (status & PS2STAT_STP ? SERIO_FRAME : 0) |
(status & PS2STAT_RXP ? 0 : SERIO_PARITY);
- scancode = sa1111_readl(ps2if->base + PS2DATA) & 0xff;
+ scancode = readl_relaxed(ps2if->base + PS2DATA) & 0xff;
if (hweight8(scancode) & 1)
flag ^= SERIO_PARITY;
serio_interrupt(ps2if->io, scancode, flag);
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
}
return IRQ_HANDLED;
@@ -96,12 +96,12 @@ static irqreturn_t ps2_txint(int irq, void *dev_id)
unsigned int status;
spin_lock(&ps2if->lock);
- status = sa1111_readl(ps2if->base + PS2STAT);
+ status = readl_relaxed(ps2if->base + PS2STAT);
if (ps2if->head == ps2if->tail) {
disable_irq_nosync(irq);
/* done */
} else if (status & PS2STAT_TXE) {
- sa1111_writel(ps2if->buf[ps2if->tail], ps2if->base + PS2DATA);
+ writel_relaxed(ps2if->buf[ps2if->tail], ps2if->base + PS2DATA);
ps2if->tail = (ps2if->tail + 1) & (sizeof(ps2if->buf) - 1);
}
spin_unlock(&ps2if->lock);
@@ -124,8 +124,8 @@ static int ps2_write(struct serio *io, unsigned char val)
/*
* If the TX register is empty, we can go straight out.
*/
- if (sa1111_readl(ps2if->base + PS2STAT) & PS2STAT_TXE) {
- sa1111_writel(val, ps2if->base + PS2DATA);
+ if (readl_relaxed(ps2if->base + PS2STAT) & PS2STAT_TXE) {
+ writel_relaxed(val, ps2if->base + PS2DATA);
} else {
if (ps2if->head == ps2if->tail)
enable_irq(ps2if->tx_irq);
@@ -172,7 +172,7 @@ static int ps2_open(struct serio *io)
enable_irq_wake(ps2if->rx_irq);
- sa1111_writel(PS2CR_ENA, ps2if->base + PS2CR);
+ writel_relaxed(PS2CR_ENA, ps2if->base + PS2CR);
return 0;
}
@@ -180,7 +180,7 @@ static void ps2_close(struct serio *io)
{
struct ps2if *ps2if = io->port_data;
- sa1111_writel(0, ps2if->base + PS2CR);
+ writel_relaxed(0, ps2if->base + PS2CR);
disable_irq_wake(ps2if->rx_irq);
@@ -200,7 +200,7 @@ static void ps2_clear_input(struct ps2if *ps2if)
int maxread = 100;
while (maxread--) {
- if ((sa1111_readl(ps2if->base + PS2DATA) & 0xff) == 0xff)
+ if ((readl_relaxed(ps2if->base + PS2DATA) & 0xff) == 0xff)
break;
}
}
@@ -210,11 +210,11 @@ static unsigned int ps2_test_one(struct ps2if *ps2if,
{
unsigned int val;
- sa1111_writel(PS2CR_ENA | mask, ps2if->base + PS2CR);
+ writel_relaxed(PS2CR_ENA | mask, ps2if->base + PS2CR);
udelay(2);
- val = sa1111_readl(ps2if->base + PS2STAT);
+ val = readl_relaxed(ps2if->base + PS2STAT);
return val & (PS2STAT_KBC | PS2STAT_KBD);
}
@@ -245,7 +245,7 @@ static int ps2_test(struct ps2if *ps2if)
ret = -ENODEV;
}
- sa1111_writel(0, ps2if->base + PS2CR);
+ writel_relaxed(0, ps2if->base + PS2CR);
return ret;
}
@@ -310,8 +310,8 @@ static int ps2_probe(struct sa1111_dev *dev)
sa1111_enable_device(ps2if->dev);
/* Incoming clock is 8MHz */
- sa1111_writel(0, ps2if->base + PS2CLKDIV);
- sa1111_writel(127, ps2if->base + PS2PRECNT);
+ writel_relaxed(0, ps2if->base + PS2CLKDIV);
+ writel_relaxed(127, ps2if->base + PS2PRECNT);
/*
* Flush any pending input.