Input: sa1111ps2 - remove special sa1111 mmio accessors
authorRussell King <rmk+kernel@armlinux.org.uk>
Tue, 26 Sep 2017 16:56:56 +0000 (09:56 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Tue, 26 Sep 2017 18:52:07 +0000 (11:52 -0700)
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>
drivers/input/serio/sa1111ps2.c

index 3b54050b9fc7902e8cf0794a82734e0e0f7f1999..f1c036260d2537eeb5e1a52fd9c6ceb6c191adcf 100644 (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.