[PATCH 08/14] MIPS: ath79: Use the common clk API

[Alban Bedel]

Make the code simpler and open the way for device tree clocks.

Signed-off-by: Alban Bedel <al...@free.fr>
---
 arch/mips/Kconfig       |  1 +
 arch/mips/ath79/clock.c | 29 ++---------------------------
 2 files changed, 3 insertions(+), 27 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1fa7f2f..a7b8ef4 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -120,6 +120,7 @@ config ATH79
        select CSRC_R4K
        select DMA_NONCOHERENT
        select HAVE_CLK
+       select COMMON_CLK
        select CLKDEV_LOOKUP
        select IRQ_CPU
        select MIPS_MACHINE
diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c
index 226ddf0..1fcb691 100644
--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/clk-provider.h>
 
 #include <asm/div64.h>
 
@@ -28,21 +29,15 @@
 #define AR724X_BASE_FREQ       5000000
 #define AR913X_BASE_FREQ       5000000
 
-struct clk {
-       unsigned long rate;
-};
-
 static void __init ath79_add_sys_clkdev(const char *id, unsigned long rate)
 {
        struct clk *clk;
        int err;
 
-       clk = kzalloc(sizeof(*clk), GFP_KERNEL);
+       clk = clk_register_fixed_rate(NULL, id, NULL, CLK_IS_ROOT, rate);
        if (!clk)
                panic("failed to allocate %s clock structure", id);
 
-       clk->rate = rate;
-
        err = clk_register_clkdev(clk, id, NULL);
        if (err)
                panic("unable to register %s clock device", id);
@@ -468,23 +463,3 @@ ath79_get_sys_clk_rate(const char *id)
 
        return rate;
 }
-
-/*
- * Linux clock API
- */
-int clk_enable(struct clk *clk)
-{
-       return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-       return clk->rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-- 
2.0.0

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