clk: imx: clk-busy: Switch to clk_hw based API

Switch all the clk_busy clock registering functions to clk_hw based API.
Keep around some clk based wrappers to be used by older imx platforms.
This allows us to move closer to a clear split of consumer and provider
clk APIs.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c
index e695622c5aa56e2407959f25e6e3d191c0086f56..51f75500ab85244d662cd45fba54b3db61119714 100644 (file)
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@@ -78,13 +78,14 @@ static const struct clk_ops clk_busy_divider_ops = {
        .set_rate = clk_busy_divider_set_rate,
 };
 
-struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
+struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
                                 void __iomem *reg, u8 shift, u8 width,
                                 void __iomem *busy_reg, u8 busy_shift)
 {
        struct clk_busy_divider *busy;
-       struct clk *clk;
+       struct clk_hw *hw;
        struct clk_init_data init;
+       int ret;
 
        busy = kzalloc(sizeof(*busy), GFP_KERNEL);
        if (!busy)
@@ -107,11 +108,15 @@ struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
 
        busy->div.hw.init = &init;
 
-       clk = clk_register(NULL, &busy->div.hw);
-       if (IS_ERR(clk))
+       hw = &busy->div.hw;
+
+       ret = clk_hw_register(NULL, hw);
+       if (ret) {
                kfree(busy);
+               return ERR_PTR(ret);
+       }
 
-       return clk;
+       return hw;
 }
 
 struct clk_busy_mux {
@@ -152,13 +157,14 @@ static const struct clk_ops clk_busy_mux_ops = {
        .set_parent = clk_busy_mux_set_parent,
 };
 
-struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
+struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
                             u8 width, void __iomem *busy_reg, u8 busy_shift,
                             const char * const *parent_names, int num_parents)
 {
        struct clk_busy_mux *busy;
-       struct clk *clk;
+       struct clk_hw *hw;
        struct clk_init_data init;
+       int ret;
 
        busy = kzalloc(sizeof(*busy), GFP_KERNEL);
        if (!busy)
@@ -181,9 +187,13 @@ struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
 
        busy->mux.hw.init = &init;
 
-       clk = clk_register(NULL, &busy->mux.hw);
-       if (IS_ERR(clk))
+       hw = &busy->mux.hw;
+
+       ret = clk_hw_register(NULL, hw);
+       if (ret) {
                kfree(busy);
+               return ERR_PTR(ret);
+       }
 
-       return clk;
+       return hw;
 }

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 77c2ce8f41f71a01bd03ce4519c0afa74445eff0..f13770cb5cd309d7748f652aa278167ee788072b 100644 (file)
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -10,6 +10,7 @@ extern spinlock_t imx_ccm_lock;
 void imx_check_clocks(struct clk *clks[], unsigned int count);
 void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count);
 void imx_register_uart_clocks(struct clk ** const clks[]);
+void imx_register_uart_clocks_hws(struct clk_hw ** const hws[]);
 void imx_mmdc_mask_handshake(void __iomem *ccm_base, unsigned int chn);
 
 extern void imx_cscmr1_fixup(u32 *val);
@@ -49,6 +50,12 @@ struct imx_pll14xx_clk {
        int flags;
 };
 
+#define imx_clk_busy_divider(name, parent_name, reg, shift, width, busy_reg, busy_shift) \
+       imx_clk_hw_busy_divider(name, parent_name, reg, shift, width, busy_reg, busy_shift)->clk
+
+#define imx_clk_busy_mux(name, reg, shift, width, busy_reg, busy_shift, parent_names, num_parents) \
+       imx_clk_hw_busy_mux(name, reg, shift, width, busy_reg, busy_shift, parent_names, num_parents)->clk
+
 struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
                 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
 
@@ -111,11 +118,11 @@ struct clk *imx_clk_pfd(const char *name, const char *parent_name,
 struct clk_hw *imx_clk_pfdv2(const char *name, const char *parent_name,
                             void __iomem *reg, u8 idx);
 
-struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,
+struct clk_hw *imx_clk_hw_busy_divider(const char *name, const char *parent_name,
                                 void __iomem *reg, u8 shift, u8 width,
                                 void __iomem *busy_reg, u8 busy_shift);
 
-struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
+struct clk_hw *imx_clk_hw_busy_mux(const char *name, void __iomem *reg, u8 shift,
                             u8 width, void __iomem *busy_reg, u8 busy_shift,
                             const char * const *parent_names, int num_parents);