[PATCH 4/4] clk: sifive: Refactor __prci_clock array by using macro

From: Zong Li
Date: Fri Oct 16 2020 - 05:18:50 EST

Refactor code by using DEFINE_PRCI_CLOCK to define each clock
and reduce duplicate code.

Signed-off-by: Zong Li <zong.li@xxxxxxxxxx>
---
drivers/clk/sifive/fu540-prci.c | 38 ++++++----------
drivers/clk/sifive/fu540-prci.h | 2 +-
drivers/clk/sifive/fu740-prci.c | 74 ++++++++++++--------------------
drivers/clk/sifive/fu740-prci.h | 2 +-
drivers/clk/sifive/sifive-prci.c | 2 +-
drivers/clk/sifive/sifive-prci.h | 10 ++++-
6 files changed, 53 insertions(+), 75 deletions(-)

diff --git a/drivers/clk/sifive/fu540-prci.c b/drivers/clk/sifive/fu540-prci.c
index 840b97bfff85..d43b9a9984f6 100644
--- a/drivers/clk/sifive/fu540-prci.c
+++ b/drivers/clk/sifive/fu540-prci.c
@@ -54,29 +54,19 @@ static const struct clk_ops sifive_fu540_prci_tlclksel_clk_ops = {
.recalc_rate = sifive_prci_tlclksel_recalc_rate,
};

+DEFINE_PRCI_CLOCK(fu540, corepll, hfclk,
+ &sifive_fu540_prci_wrpll_clk_ops, &__prci_corepll_data);
+DEFINE_PRCI_CLOCK(fu540, ddrpll, hfclk,
+ &sifive_fu540_prci_wrpll_ro_clk_ops, &__prci_ddrpll_data);
+DEFINE_PRCI_CLOCK(fu540, gemgxlpll, hfclk,
+ &sifive_fu540_prci_wrpll_clk_ops, &__prci_gemgxlpll_data);
+DEFINE_PRCI_CLOCK(fu540, tlclk, corepll,
+ &sifive_fu540_prci_tlclksel_clk_ops, NULL);
+
/* List of clock controls provided by the PRCI */
-struct __prci_clock __prci_init_clocks_fu540[] = {
- [PRCI_CLK_COREPLL] = {
- .name = "corepll",
- .parent_name = "hfclk",
- .ops = &sifive_fu540_prci_wrpll_clk_ops,
- .pwd = &__prci_corepll_data,
- },
- [PRCI_CLK_DDRPLL] = {
- .name = "ddrpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu540_prci_wrpll_ro_clk_ops,
- .pwd = &__prci_ddrpll_data,
- },
- [PRCI_CLK_GEMGXLPLL] = {
- .name = "gemgxlpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu540_prci_wrpll_clk_ops,
- .pwd = &__prci_gemgxlpll_data,
- },
- [PRCI_CLK_TLCLK] = {
- .name = "tlclk",
- .parent_name = "corepll",
- .ops = &sifive_fu540_prci_tlclksel_clk_ops,
- },
+struct __prci_clock *__prci_init_clocks_fu540[] = {
+ [PRCI_CLK_COREPLL] = &fu540_corepll,
+ [PRCI_CLK_DDRPLL] = &fu540_ddrpll,
+ [PRCI_CLK_GEMGXLPLL] = &fu540_gemgxlpll,
+ [PRCI_CLK_TLCLK] = &fu540_tlclk,
};
diff --git a/drivers/clk/sifive/fu540-prci.h b/drivers/clk/sifive/fu540-prci.h
index c8271efa7bdc..281200cd8848 100644
--- a/drivers/clk/sifive/fu540-prci.h
+++ b/drivers/clk/sifive/fu540-prci.h
@@ -11,7 +11,7 @@

#define NUM_CLOCK_FU540 4

-extern struct __prci_clock __prci_init_clocks_fu540[NUM_CLOCK_FU540];
+extern struct __prci_clock *__prci_init_clocks_fu540[NUM_CLOCK_FU540];

static const struct prci_clk_desc prci_clk_fu540 = {
.clks = __prci_init_clocks_fu540,
diff --git a/drivers/clk/sifive/fu740-prci.c b/drivers/clk/sifive/fu740-prci.c
index 3b87e273c3eb..676cad2c3886 100644
--- a/drivers/clk/sifive/fu740-prci.c
+++ b/drivers/clk/sifive/fu740-prci.c
@@ -71,52 +71,32 @@ static const struct clk_ops sifive_fu740_prci_hfpclkplldiv_clk_ops = {
.recalc_rate = sifive_prci_hfpclkplldiv_recalc_rate,
};

+
+DEFINE_PRCI_CLOCK(fu740, corepll, hfclk,
+ &sifive_fu740_prci_wrpll_clk_ops, &__prci_corepll_data);
+DEFINE_PRCI_CLOCK(fu740, ddrpll, hfclk,
+ &sifive_fu740_prci_wrpll_ro_clk_ops, &__prci_ddrpll_data);
+DEFINE_PRCI_CLOCK(fu740, gemgxlpll, hfclk,
+ &sifive_fu740_prci_wrpll_clk_ops, &__prci_gemgxlpll_data);
+DEFINE_PRCI_CLOCK(fu740, dvfscorepll, hfclk,
+ &sifive_fu740_prci_wrpll_clk_ops, &__prci_dvfscorepll_data);
+DEFINE_PRCI_CLOCK(fu740, hfpclkpll, hfclk,
+ &sifive_fu740_prci_wrpll_clk_ops, &__prci_hfpclkpll_data);
+DEFINE_PRCI_CLOCK(fu740, cltxpll, hfclk,
+ &sifive_fu740_prci_wrpll_clk_ops, &__prci_cltxpll_data);
+DEFINE_PRCI_CLOCK(fu740, tlclk, corepll,
+ &sifive_fu740_prci_tlclksel_clk_ops, NULL);
+DEFINE_PRCI_CLOCK(fu740, pclk, hfpclkpll,
+ &sifive_fu740_prci_hfpclkplldiv_clk_ops, NULL);
+
/* List of clock controls provided by the PRCI */
-struct __prci_clock __prci_init_clocks_fu740[] = {
- [PRCI_CLK_COREPLL] = {
- .name = "corepll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_clk_ops,
- .pwd = &__prci_corepll_data,
- },
- [PRCI_CLK_DDRPLL] = {
- .name = "ddrpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_ro_clk_ops,
- .pwd = &__prci_ddrpll_data,
- },
- [PRCI_CLK_GEMGXLPLL] = {
- .name = "gemgxlpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_clk_ops,
- .pwd = &__prci_gemgxlpll_data,
- },
- [PRCI_CLK_DVFSCOREPLL] = {
- .name = "dvfscorepll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_clk_ops,
- .pwd = &__prci_dvfscorepll_data,
- },
- [PRCI_CLK_HFPCLKPLL] = {
- .name = "hfpclkpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_clk_ops,
- .pwd = &__prci_hfpclkpll_data,
- },
- [PRCI_CLK_CLTXPLL] = {
- .name = "cltxpll",
- .parent_name = "hfclk",
- .ops = &sifive_fu740_prci_wrpll_clk_ops,
- .pwd = &__prci_cltxpll_data,
- },
- [PRCI_CLK_TLCLK] = {
- .name = "tlclk",
- .parent_name = "corepll",
- .ops = &sifive_fu740_prci_tlclksel_clk_ops,
- },
- [PRCI_CLK_PCLK] = {
- .name = "pclk",
- .parent_name = "hfpclkpll",
- .ops = &sifive_fu740_prci_hfpclkplldiv_clk_ops,
- },
+struct __prci_clock *__prci_init_clocks_fu740[] = {
+ [PRCI_CLK_COREPLL] = &fu740_corepll,
+ [PRCI_CLK_DDRPLL] = &fu740_ddrpll,
+ [PRCI_CLK_GEMGXLPLL] = &fu740_gemgxlpll,
+ [PRCI_CLK_DVFSCOREPLL] = &fu740_dvfscorepll,
+ [PRCI_CLK_HFPCLKPLL] = &fu740_hfpclkpll,
+ [PRCI_CLK_CLTXPLL] = &fu740_cltxpll,
+ [PRCI_CLK_TLCLK] = &fu740_tlclk,
+ [PRCI_CLK_PCLK] = &fu740_pclk,
};
diff --git a/drivers/clk/sifive/fu740-prci.h b/drivers/clk/sifive/fu740-prci.h
index 13ef971f7764..3f03295f719a 100644
--- a/drivers/clk/sifive/fu740-prci.h
+++ b/drivers/clk/sifive/fu740-prci.h
@@ -11,7 +11,7 @@

#define NUM_CLOCK_FU740 8

-extern struct __prci_clock __prci_init_clocks_fu740[NUM_CLOCK_FU740];
+extern struct __prci_clock *__prci_init_clocks_fu740[NUM_CLOCK_FU740];

static const struct prci_clk_desc prci_clk_fu740 = {
.clks = __prci_init_clocks_fu740,
diff --git a/drivers/clk/sifive/sifive-prci.c b/drivers/clk/sifive/sifive-prci.c
index 4098dbc5881a..2ef3f9f91b33 100644
--- a/drivers/clk/sifive/sifive-prci.c
+++ b/drivers/clk/sifive/sifive-prci.c
@@ -431,7 +431,7 @@ static int __prci_register_clocks(struct device *dev, struct __prci_data *pd,

/* Register PLLs */
for (i = 0; i < desc->num_clks; ++i) {
- pic = &(desc->clks[i]);
+ pic = desc->clks[i];

init.name = pic->name;
init.parent_names = &pic->parent_name;
diff --git a/drivers/clk/sifive/sifive-prci.h b/drivers/clk/sifive/sifive-prci.h
index bc0646bc9c3e..e6c9f72e20de 100644
--- a/drivers/clk/sifive/sifive-prci.h
+++ b/drivers/clk/sifive/sifive-prci.h
@@ -253,6 +253,14 @@ struct __prci_clock {
struct __prci_data *pd;
};

+#define DEFINE_PRCI_CLOCK(_platform, _name, _parent, _ops, _pwd) \
+ static struct __prci_clock _platform##_##_name = { \
+ .name = #_name, \
+ .parent_name = #_parent, \
+ .ops = _ops, \
+ .pwd = _pwd, \
+ } \
+
#define clk_hw_to_prci_clock(pwd) container_of(pwd, struct __prci_clock, hw)

/*
@@ -261,7 +269,7 @@ struct __prci_clock {
* @num_clks: the number of element of clks
*/
struct prci_clk_desc {
- struct __prci_clock *clks;
+ struct __prci_clock **clks;
size_t num_clks;
};

--
2.28.0