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author | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-06-08 15:41:11 +0200 |
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committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-06-13 11:53:18 +0200 |
commit | a00d077aaa17c873ae1f465c5564d5d88e14d8f7 (patch) | |
tree | 8723a83891ae2be009ce5fee6e142700186c4722 /drivers/clk | |
parent | 65d012e415bb3592cd1c492195ff19088166198b (diff) | |
download | linux-stable-a00d077aaa17c873ae1f465c5564d5d88e14d8f7.tar.gz linux-stable-a00d077aaa17c873ae1f465c5564d5d88e14d8f7.tar.bz2 linux-stable-a00d077aaa17c873ae1f465c5564d5d88e14d8f7.zip |
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')
-rw-r--r-- | drivers/clk/renesas/clk-r8a7740.c | 20 |
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)); |