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authorGeert Uytterhoeven <geert+renesas@glider.be>2022-06-08 16:41:11 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2022-06-13 12:53:18 +0300
commita00d077aaa17c873ae1f465c5564d5d88e14d8f7 (patch)
tree8723a83891ae2be009ce5fee6e142700186c4722 /drivers/clk/renesas/clk-r8a7740.c
parent65d012e415bb3592cd1c492195ff19088166198b (diff)
downloadlinux-a00d077aaa17c873ae1f465c5564d5d88e14d8f7.tar.xz
clk: renesas: r8a7740: Remove r8a7740_cpg.reg
The register block base pointer as stored in the reg member of the r8a7740_cpg structure is only used during initialization. Hence move it to a local variable, and pass it as a parameter to r8a7740_cpg_register_clock(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/7ec676bcc36ef1eda02c2db328c527fc5fd44e99.1654694831.git.geert+renesas@glider.be
Diffstat (limited to 'drivers/clk/renesas/clk-r8a7740.c')
-rw-r--r--drivers/clk/renesas/clk-r8a7740.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c
index d8190f007a81..3ee3f57e4e9a 100644
--- a/drivers/clk/renesas/clk-r8a7740.c
+++ b/drivers/clk/renesas/clk-r8a7740.c
@@ -18,7 +18,6 @@
struct r8a7740_cpg {
struct clk_onecell_data data;
spinlock_t lock;
- void __iomem *reg;
};
#define CPG_FRQCRA 0x00
@@ -61,7 +60,7 @@ static u32 cpg_mode __initdata;
static struct clk * __init
r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg,
- const char *name)
+ void __iomem *base, const char *name)
{
const struct clk_div_table *table = NULL;
const char *parent_name;
@@ -96,20 +95,20 @@ r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg,
* clock implementation and we currently have no need to change
* the multiplier value.
*/
- u32 value = readl(cpg->reg + CPG_FRQCRC);
+ u32 value = readl(base + CPG_FRQCRC);
parent_name = "system";
mult = ((value >> 24) & 0x7f) + 1;
} else if (!strcmp(name, "pllc1")) {
- u32 value = readl(cpg->reg + CPG_FRQCRA);
+ u32 value = readl(base + CPG_FRQCRA);
parent_name = "system";
mult = ((value >> 24) & 0x7f) + 1;
div = 2;
} else if (!strcmp(name, "pllc2")) {
- u32 value = readl(cpg->reg + CPG_PLLC2CR);
+ u32 value = readl(base + CPG_PLLC2CR);
parent_name = "system";
mult = ((value >> 24) & 0x3f) + 1;
} else if (!strcmp(name, "usb24s")) {
- u32 value = readl(cpg->reg + CPG_USBCKCR);
+ u32 value = readl(base + CPG_USBCKCR);
if (value & BIT(7))
/* extal2 */
parent_name = of_clk_get_parent_name(np, 1);
@@ -137,7 +136,7 @@ r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg,
mult, div);
} else {
return clk_register_divider_table(NULL, name, parent_name, 0,
- cpg->reg + reg, shift, 4, 0,
+ base + reg, shift, 4, 0,
table, &cpg->lock);
}
}
@@ -145,6 +144,7 @@ r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg,
static void __init r8a7740_cpg_clocks_init(struct device_node *np)
{
struct r8a7740_cpg *cpg;
+ void __iomem *base;
struct clk **clks;
unsigned int i;
int num_clks;
@@ -172,8 +172,8 @@ static void __init r8a7740_cpg_clocks_init(struct device_node *np)
cpg->data.clks = clks;
cpg->data.clk_num = num_clks;
- cpg->reg = of_iomap(np, 0);
- if (WARN_ON(cpg->reg == NULL))
+ base = of_iomap(np, 0);
+ if (WARN_ON(base == NULL))
return;
for (i = 0; i < num_clks; ++i) {
@@ -183,7 +183,7 @@ static void __init r8a7740_cpg_clocks_init(struct device_node *np)
of_property_read_string_index(np, "clock-output-names", i,
&name);
- clk = r8a7740_cpg_register_clock(np, cpg, name);
+ clk = r8a7740_cpg_register_clock(np, cpg, base, name);
if (IS_ERR(clk))
pr_err("%s: failed to register %pOFn %s clock (%ld)\n",
__func__, np, name, PTR_ERR(clk));