ARM: PNX4008: convert to clkdev

Acked-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

4 files changed, 43 insertions, 33 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4c33ca82f9b1..fb2a51b0ec15 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -554,6 +554,7 @@ config ARCH_PNX4008
         bool "Philips Nexperia PNX4008 Mobile"
         select CPU_ARM926T
         select HAVE_CLK
+        select COMMON_CLKDEV
         help
           This enables support for Philips PNX4008 mobile platform.
 
diff --git a/arch/arm/mach-pnx4008/clock.c b/arch/arm/mach-pnx4008/clock.c
index 898c0e88acbc..6f5d2e502654 100644
--- a/arch/arm/mach-pnx4008/clock.c
+++ b/arch/arm/mach-pnx4008/clock.c
@@ -22,8 +22,9 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 
-#include <mach/hardware.h>
+#include <asm/clkdev.h>
 
+#include <mach/hardware.h>
 #include <mach/clock.h>
 #include "clock.h"
 
@@ -747,7 +748,7 @@ static struct clk wdt_ck = {
 /* These clocks are visible outside this module
  * and can be initialized
  */
-static struct clk *onchip_clks[] = {
+static struct clk *onchip_clks[] __initdata = {
         &ck_13MHz,
         &ck_pll1,
         &ck_pll4,
@@ -777,6 +778,36 @@ static struct clk *onchip_clks[] = {
         &wdt_ck,
 };
 
+static struct clk_lookup onchip_clkreg[] = {
+        { .clk = &ck_13MHz,     .con_id = "ck_13MHz"    },
+        { .clk = &ck_pll1,      .con_id = "ck_pll1"     },
+        { .clk = &ck_pll4,      .con_id = "ck_pll4"     },
+        { .clk = &ck_pll5,      .con_id = "ck_pll5"     },
+        { .clk = &ck_pll3,      .con_id = "ck_pll3"     },
+        { .clk = &vfp9_ck,      .con_id = "vfp9_ck"     },
+        { .clk = &m2hclk_ck,    .con_id = "m2hclk_ck"   },
+        { .clk = &hclk_ck,      .con_id = "hclk_ck"     },
+        { .clk = &dma_ck,       .con_id = "dma_ck"      },
+        { .clk = &flash_ck,     .con_id = "flash_ck"    },
+        { .clk = &dum_ck,       .con_id = "dum_ck"      },
+        { .clk = &keyscan_ck,   .con_id = "keyscan_ck"  },
+        { .clk = &pwm1_ck,      .con_id = "pwm1_ck"     },
+        { .clk = &pwm2_ck,      .con_id = "pwm2_ck"     },
+        { .clk = &jpeg_ck,      .con_id = "jpeg_ck"     },
+        { .clk = &ms_ck,        .con_id = "ms_ck"       },
+        { .clk = &touch_ck,     .con_id = "touch_ck"    },
+        { .clk = &i2c0_ck,      .con_id = "i2c0_ck"     },
+        { .clk = &i2c1_ck,      .con_id = "i2c1_ck"     },
+        { .clk = &i2c2_ck,      .con_id = "i2c2_ck"     },
+        { .clk = &spi0_ck,      .con_id = "spi0_ck"     },
+        { .clk = &spi1_ck,      .con_id = "spi1_ck"     },
+        { .clk = &uart3_ck,     .con_id = "uart3_ck"    },
+        { .clk = &uart4_ck,     .con_id = "uart4_ck"    },
+        { .clk = &uart5_ck,     .con_id = "uart5_ck"    },
+        { .clk = &uart6_ck,     .con_id = "uart6_ck"    },
+        { .clk = &wdt_ck,       .con_id = "wdt_ck"      },
+};
+
 static int local_clk_enable(struct clk *clk)
 {
         int ret = 0;
@@ -866,35 +897,6 @@ out:
 
 EXPORT_SYMBOL(clk_set_rate);
 
-struct clk *clk_get(struct device *dev, const char *id)
-{
-        struct clk *clk = ERR_PTR(-ENOENT);
-        struct clk **clkp;
-
-        clock_lock();
-        for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks);
-             clkp++) {
-                if (strcmp(id, (*clkp)->name) == 0
-                    && try_module_get((*clkp)->owner)) {
-                        clk = (*clkp);
-                        break;
-                }
-        }
-        clock_unlock();
-
-        return clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-        clock_lock();
-        if (clk && !IS_ERR(clk))
-                module_put(clk->owner);
-        clock_unlock();
-}
-EXPORT_SYMBOL(clk_put);
-
 unsigned long clk_get_rate(struct clk *clk)
 {
         unsigned long ret;
@@ -987,6 +989,8 @@ static int __init clk_init(void)
         /* Disable autoclocking */
         __raw_writeb(0xff, AUTOCLK_CTRL);
 
+        clkdev_add_table(onchip_clkreg, ARRAY_SIZE(onchip_clkreg));
+
         return 0;
 }
 
diff --git a/arch/arm/mach-pnx4008/clock.h b/arch/arm/mach-pnx4008/clock.h
index cd58f372cfd0..933e18133b96 100644
--- a/arch/arm/mach-pnx4008/clock.h
+++ b/arch/arm/mach-pnx4008/clock.h
@@ -14,8 +14,6 @@
 #define __ARCH_ARM_PNX4008_CLOCK_H__
 
 struct clk {
-        struct list_head node;
-        struct module *owner;
         const char *name;
         struct clk *parent;
         struct clk *propagate_next;
diff --git a/arch/arm/mach-pnx4008/include/mach/clkdev.h b/arch/arm/mach-pnx4008/include/mach/clkdev.h
new file mode 100644
index 000000000000..04b37a89801c
--- /dev/null
+++ b/arch/arm/mach-pnx4008/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_CLKDEV_H
+#define __ASM_MACH_CLKDEV_H
+
+#define __clk_get(clk) ({ 1; })
+#define __clk_put(clk) do { } while (0)
+
+#endif