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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>
This commit is contained in:
Russell King 2017-09-26 09:56:56 -07:00 committed by Dmitry Torokhov
parent e6c4436876
commit a12ded48b3
1 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/input/serio/sa1111ps2.c
View File

@ -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.