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Date: Thu, 22 Nov 2018 22:40:16 +0100
From: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To: linux-amlogic@...ts.infradead.org, narmstrong@...libre.com,
jbrunet@...libre.com
Cc: mturquette@...libre.com, sboyd@...nel.org,
linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v2 3/4] clk: meson: meson8b: rename cpu_div2/cpu_div3 to cpu_in_div2/cpu_in_div3
The "cpu_div2" and "cpu_div3" take "cpu_in" as input and divide that by
2 or 3. The clock controller can also generate various CPU clock
post-dividers (2, 3, 4, 5, 6, 7, 8) which are derived from "cpu_clk".
When adding support for these post-dividers our clock naming could be
misleading as we have "cpu_div2" as well as "cpu_clk_div2".
Rename the existing "cpu_in" dividers so the name of the divider's
parent is part of the divider clock's name.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Acked-by: Jerome Brunet <jbrunet@...libre.com>
---
drivers/clk/meson/meson8b.c | 20 ++++++++++----------
drivers/clk/meson/meson8b.h | 4 ++--
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index b3bdc7e05441..010dccc86b5d 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -560,11 +560,11 @@ static struct clk_regmap meson8b_cpu_in_sel = {
},
};
-static struct clk_fixed_factor meson8b_cpu_div2 = {
+static struct clk_fixed_factor meson8b_cpu_in_div2 = {
.mult = 1,
.div = 2,
.hw.init = &(struct clk_init_data){
- .name = "cpu_div2",
+ .name = "cpu_in_div2",
.ops = &clk_fixed_factor_ops,
.parent_names = (const char *[]){ "cpu_in_sel" },
.num_parents = 1,
@@ -572,11 +572,11 @@ static struct clk_fixed_factor meson8b_cpu_div2 = {
},
};
-static struct clk_fixed_factor meson8b_cpu_div3 = {
+static struct clk_fixed_factor meson8b_cpu_in_div3 = {
.mult = 1,
.div = 3,
.hw.init = &(struct clk_init_data){
- .name = "cpu_div3",
+ .name = "cpu_in_div3",
.ops = &clk_fixed_factor_ops,
.parent_names = (const char *[]){ "cpu_in_sel" },
.num_parents = 1,
@@ -626,12 +626,12 @@ static struct clk_regmap meson8b_cpu_scale_out_sel = {
.ops = &clk_regmap_mux_ops,
/*
* NOTE: We are skipping the parent with value 0x2 (which is
- * "cpu_div3") because it results in a duty cycle of 33% which
- * makes the system unstable and can result in a lockup of the
- * whole system.
+ * "cpu_in_div3") because it results in a duty cycle of 33%
+ * which makes the system unstable and can result in a lockup
+ * of the whole system.
*/
.parent_names = (const char *[]) { "cpu_in_sel",
- "cpu_div2",
+ "cpu_in_div2",
"cpu_scale_div" },
.num_parents = 3,
.flags = CLK_SET_RATE_PARENT,
@@ -889,8 +889,8 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
[CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw,
[CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw,
[CLKID_CPU_IN_SEL] = &meson8b_cpu_in_sel.hw,
- [CLKID_CPU_DIV2] = &meson8b_cpu_div2.hw,
- [CLKID_CPU_DIV3] = &meson8b_cpu_div3.hw,
+ [CLKID_CPU_IN_DIV2] = &meson8b_cpu_in_div2.hw,
+ [CLKID_CPU_IN_DIV3] = &meson8b_cpu_in_div3.hw,
[CLKID_CPU_SCALE_DIV] = &meson8b_cpu_scale_div.hw,
[CLKID_CPU_SCALE_OUT_SEL] = &meson8b_cpu_scale_out_sel.hw,
[CLKID_MPLL_PREDIV] = &meson8b_mpll_prediv.hw,
diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h
index 1c6fb180e6a2..9cba34c6cb92 100644
--- a/drivers/clk/meson/meson8b.h
+++ b/drivers/clk/meson/meson8b.h
@@ -63,8 +63,8 @@
#define CLKID_MPLL1_DIV 97
#define CLKID_MPLL2_DIV 98
#define CLKID_CPU_IN_SEL 99
-#define CLKID_CPU_DIV2 100
-#define CLKID_CPU_DIV3 101
+#define CLKID_CPU_IN_DIV2 100
+#define CLKID_CPU_IN_DIV3 101
#define CLKID_CPU_SCALE_DIV 102
#define CLKID_CPU_SCALE_OUT_SEL 103
#define CLKID_MPLL_PREDIV 104
--
2.19.1
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