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Subject[PATCH v2 5/5] MIPS: ath79: Use the common clk API
Date
Make the code simpler and open the way for device tree clocks.

Signed-off-by: Alban Bedel <albeu@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 9075147..874bbaf 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -123,6 +123,7 @@ 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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