[ARM] Remove clk_use()/clk_unuse()

It seems that clk_use() and clk_unuse() are additional complexity
which isn't required anymore.  Remove them from the clock framework
to avoid the additional confusion which they cause, and update all
ARM machine types except for OMAP.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 0 insertions, 12 deletions

diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index d84476ee6592..531b0e4f25e5 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -761,10 +761,6 @@ static int pl011_probe(struct amba_device *dev, void *id)
                 goto unmap;
         }
 
-        ret = clk_use(uap->clk);
-        if (ret)
-                goto putclk;
-
         uap->port.dev = &dev->dev;
         uap->port.mapbase = dev->res.start;
         uap->port.membase = base;
@@ -782,8 +778,6 @@ static int pl011_probe(struct amba_device *dev, void *id)
         if (ret) {
                 amba_set_drvdata(dev, NULL);
                 amba_ports[i] = NULL;
-                clk_unuse(uap->clk);
- putclk:
                 clk_put(uap->clk);
  unmap:
                 iounmap(base);
@@ -808,7 +802,6 @@ static int pl011_remove(struct amba_device *dev)
                         amba_ports[i] = NULL;
 
         iounmap(uap->port.membase);
-        clk_unuse(uap->clk);
         clk_put(uap->clk);
         kfree(uap);
         return 0;
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 47681c4654e4..eb47f5b71aeb 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -782,11 +782,9 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
 
                 if (ourport->baudclk != NULL && !IS_ERR(ourport->baudclk)) {
                         clk_disable(ourport->baudclk);
-                        clk_unuse(ourport->baudclk);
                         ourport->baudclk  = NULL;
                 }
 
-                clk_use(clk);
                 clk_enable(clk);
 
                 ourport->clksrc = clksrc;
@@ -1077,9 +1075,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 
         ourport->clk    = clk_get(&platdev->dev, "uart");
 
-        if (ourport->clk != NULL && !IS_ERR(ourport->clk))
-                clk_use(ourport->clk);
-
         dbg("port: map=%08x, mem=%08x, irq=%d, clock=%ld\n",
             port->mapbase, port->membase, port->irq, port->uartclk);