clk: tegra: Constify peripheral clock registers
The peripheral clock registers are defined in static tables. These
tables never need to be modified at runtime, so they can reside in
read-only memory.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/clk/tegra/clk-periph-gate.c b/drivers/clk/tegra/clk-periph-gate.c
index d28d6e9..8812782 100644
--- a/drivers/clk/tegra/clk-periph-gate.c
+++ b/drivers/clk/tegra/clk-periph-gate.c
@@ -134,7 +134,7 @@
struct tegra_clk_periph_gate *gate;
struct clk *clk;
struct clk_init_data init;
- struct tegra_clk_periph_regs *pregs;
+ const struct tegra_clk_periph_regs *pregs;
pregs = get_reg_bank(clk_num);
if (!pregs)
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c
index ec5b611..a17ca6d 100644
--- a/drivers/clk/tegra/clk-periph.c
+++ b/drivers/clk/tegra/clk-periph.c
@@ -145,7 +145,7 @@
{
struct clk *clk;
struct clk_init_data init;
- struct tegra_clk_periph_regs *bank;
+ const struct tegra_clk_periph_regs *bank;
bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV);
if (periph->gate.flags & TEGRA_PERIPH_NO_DIV) {
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index ea2b9cbf..b4e226a 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -877,7 +877,7 @@
struct clk **dt_clk;
for (i = 0; i < ARRAY_SIZE(periph_clks); i++) {
- struct tegra_clk_periph_regs *bank;
+ const struct tegra_clk_periph_regs *bank;
struct tegra_periph_init_data *data;
data = periph_clks + i;
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index 2a3a4fe..98e65ca 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -84,7 +84,7 @@
static int (*special_reset_deassert)(unsigned long);
static unsigned int num_special_reset;
-static struct tegra_clk_periph_regs periph_regs[] = {
+static const struct tegra_clk_periph_regs periph_regs[] = {
[0] = {
.enb_reg = CLK_OUT_ENB_L,
.enb_set_reg = CLK_OUT_ENB_SET_L,
@@ -182,7 +182,7 @@
return -EINVAL;
}
-struct tegra_clk_periph_regs *get_reg_bank(int clkid)
+const struct tegra_clk_periph_regs *get_reg_bank(int clkid)
{
int reg_bank = clkid / 32;
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 4dbcfae..3ef530a 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -496,7 +496,7 @@
u8 flags;
int clk_num;
int *enable_refcnt;
- struct tegra_clk_periph_regs *regs;
+ const struct tegra_clk_periph_regs *regs;
};
#define to_clk_periph_gate(_hw) \
@@ -716,7 +716,7 @@
void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list,
struct clk *clks[], int clk_max);
-struct tegra_clk_periph_regs *get_reg_bank(int clkid);
+const struct tegra_clk_periph_regs *get_reg_bank(int clkid);
struct clk **tegra_clk_init(void __iomem *clk_base, int num, int periph_banks);
struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk);