diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos4.c | 47 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5250.c | 25 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 24 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5440.c | 18 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-pll.c | 14 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2410.c | 51 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2412.c | 29 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c2443.c | 46 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk-s3c64xx.c | 44 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk.c | 114 | ||||
| -rw-r--r-- | drivers/clk/samsung/clk.h | 72 |
11 files changed, 279 insertions, 205 deletions
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index b4f9672..57ed5a8 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1043,7 +1043,7 @@ static unsigned long exynos4_get_xom(void) return xom; } -static void __init exynos4_clk_register_finpll(void) +static void __init exynos4_clk_register_finpll(struct samsung_clk_provider *ctx) { struct samsung_fixed_rate_clock fclk; struct clk *clk; @@ -1066,7 +1066,7 @@ static void __init exynos4_clk_register_finpll(void) fclk.parent_name = NULL; fclk.flags = CLK_IS_ROOT; fclk.fixed_rate = finpll_f; - samsung_clk_register_fixed_rate(&fclk, 1); + samsung_clk_register_fixed_rate(ctx, &fclk, 1); } @@ -1176,22 +1176,25 @@ static struct samsung_pll_clock exynos4x12_plls[nr_plls] __initdata = { static void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc soc) { + struct samsung_clk_provider *ctx; exynos4_soc = soc; reg_base = of_iomap(np, 0); if (!reg_base) panic("%s: failed to map registers\n", __func__); - samsung_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); - samsung_clk_of_register_fixed_ext(exynos4_fixed_rate_ext_clks, + samsung_clk_of_register_fixed_ext(ctx, exynos4_fixed_rate_ext_clks, ARRAY_SIZE(exynos4_fixed_rate_ext_clks), ext_clk_match); - exynos4_clk_register_finpll(); + exynos4_clk_register_finpll(ctx); if (exynos4_soc == EXYNOS4210) { - samsung_clk_register_mux(exynos4210_mux_early, + samsung_clk_register_mux(ctx, exynos4210_mux_early, ARRAY_SIZE(exynos4210_mux_early)); if (_get_rate("fin_pll") == 24000000) { @@ -1205,7 +1208,7 @@ static void __init exynos4_clk_init(struct device_node *np, exynos4210_plls[vpll].rate_table = exynos4210_vpll_rates; - samsung_clk_register_pll(exynos4210_plls, + samsung_clk_register_pll(ctx, exynos4210_plls, ARRAY_SIZE(exynos4210_plls), reg_base); } else { if (_get_rate("fin_pll") == 24000000) { @@ -1217,42 +1220,42 @@ static void __init exynos4_clk_init(struct device_node *np, exynos4x12_vpll_rates; } - samsung_clk_register_pll(exynos4x12_plls, + samsung_clk_register_pll(ctx, exynos4x12_plls, ARRAY_SIZE(exynos4x12_plls), reg_base); } - samsung_clk_register_fixed_rate(exynos4_fixed_rate_clks, + samsung_clk_register_fixed_rate(ctx, exynos4_fixed_rate_clks, ARRAY_SIZE(exynos4_fixed_rate_clks)); - samsung_clk_register_mux(exynos4_mux_clks, + samsung_clk_register_mux(ctx, exynos4_mux_clks, ARRAY_SIZE(exynos4_mux_clks)); - samsung_clk_register_div(exynos4_div_clks, + samsung_clk_register_div(ctx, exynos4_div_clks, ARRAY_SIZE(exynos4_div_clks)); - samsung_clk_register_gate(exynos4_gate_clks, + samsung_clk_register_gate(ctx, exynos4_gate_clks, ARRAY_SIZE(exynos4_gate_clks)); if (exynos4_soc == EXYNOS4210) { - samsung_clk_register_fixed_rate(exynos4210_fixed_rate_clks, + samsung_clk_register_fixed_rate(ctx, exynos4210_fixed_rate_clks, ARRAY_SIZE(exynos4210_fixed_rate_clks)); - samsung_clk_register_mux(exynos4210_mux_clks, + samsung_clk_register_mux(ctx, exynos4210_mux_clks, ARRAY_SIZE(exynos4210_mux_clks)); - samsung_clk_register_div(exynos4210_div_clks, + samsung_clk_register_div(ctx, exynos4210_div_clks, ARRAY_SIZE(exynos4210_div_clks)); - samsung_clk_register_gate(exynos4210_gate_clks, + samsung_clk_register_gate(ctx, exynos4210_gate_clks, ARRAY_SIZE(exynos4210_gate_clks)); - samsung_clk_register_alias(exynos4210_aliases, + samsung_clk_register_alias(ctx, exynos4210_aliases, ARRAY_SIZE(exynos4210_aliases)); } else { - samsung_clk_register_mux(exynos4x12_mux_clks, + samsung_clk_register_mux(ctx, exynos4x12_mux_clks, ARRAY_SIZE(exynos4x12_mux_clks)); - samsung_clk_register_div(exynos4x12_div_clks, + samsung_clk_register_div(ctx, exynos4x12_div_clks, ARRAY_SIZE(exynos4x12_div_clks)); - samsung_clk_register_gate(exynos4x12_gate_clks, + samsung_clk_register_gate(ctx, exynos4x12_gate_clks, ARRAY_SIZE(exynos4x12_gate_clks)); - samsung_clk_register_alias(exynos4x12_aliases, + samsung_clk_register_alias(ctx, exynos4x12_aliases, ARRAY_SIZE(exynos4x12_aliases)); } - samsung_clk_register_alias(exynos4_aliases, + samsung_clk_register_alias(ctx, exynos4_aliases, ARRAY_SIZE(exynos4_aliases)); exynos4_clk_sleep_init(); diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index e7ee442..e549e86 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -686,6 +686,8 @@ static struct of_device_id ext_clk_match[] __initdata = { /* register exynox5250 clocks */ static void __init exynos5250_clk_init(struct device_node *np) { + struct samsung_clk_provider *ctx; + if (np) { reg_base = of_iomap(np, 0); if (!reg_base) @@ -694,11 +696,13 @@ static void __init exynos5250_clk_init(struct device_node *np) panic("%s: unable to determine soc\n", __func__); } - samsung_clk_init(np, reg_base, CLK_NR_CLKS); - samsung_clk_of_register_fixed_ext(exynos5250_fixed_rate_ext_clks, + ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); + samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks, ARRAY_SIZE(exynos5250_fixed_rate_ext_clks), ext_clk_match); - samsung_clk_register_mux(exynos5250_pll_pmux_clks, + samsung_clk_register_mux(ctx, exynos5250_pll_pmux_clks, ARRAY_SIZE(exynos5250_pll_pmux_clks)); if (_get_rate("fin_pll") == 24 * MHZ) { @@ -709,17 +713,18 @@ static void __init exynos5250_clk_init(struct device_node *np) if (_get_rate("mout_vpllsrc") == 24 * MHZ) exynos5250_plls[vpll].rate_table = vpll_24mhz_tbl; - samsung_clk_register_pll(exynos5250_plls, ARRAY_SIZE(exynos5250_plls), - reg_base); - samsung_clk_register_fixed_rate(exynos5250_fixed_rate_clks, + samsung_clk_register_pll(ctx, exynos5250_plls, + ARRAY_SIZE(exynos5250_plls), + reg_base); + samsung_clk_register_fixed_rate(ctx, exynos5250_fixed_rate_clks, ARRAY_SIZE(exynos5250_fixed_rate_clks)); - samsung_clk_register_fixed_factor(exynos5250_fixed_factor_clks, + samsung_clk_register_fixed_factor(ctx, exynos5250_fixed_factor_clks, ARRAY_SIZE(exynos5250_fixed_factor_clks)); - samsung_clk_register_mux(exynos5250_mux_clks, + samsung_clk_register_mux(ctx, exynos5250_mux_clks, ARRAY_SIZE(exynos5250_mux_clks)); - samsung_clk_register_div(exynos5250_div_clks, + samsung_clk_register_div(ctx, exynos5250_div_clks, ARRAY_SIZE(exynos5250_div_clks)); - samsung_clk_register_gate(exynos5250_gate_clks, + samsung_clk_register_gate(ctx, exynos5250_gate_clks, ARRAY_SIZE(exynos5250_gate_clks)); exynos5250_clk_sleep_init(); diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 60b2681..c3e0894 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -778,6 +778,8 @@ static struct of_device_id ext_clk_match[] __initdata = { /* register exynos5420 clocks */ static void __init exynos5420_clk_init(struct device_node *np) { + struct samsung_clk_provider *ctx; + if (np) { reg_base = of_iomap(np, 0); if (!reg_base) @@ -786,21 +788,25 @@ static void __init exynos5420_clk_init(struct device_node *np) panic("%s: unable to determine soc\n", __func__); } - samsung_clk_init(np, reg_base, CLK_NR_CLKS); - samsung_clk_of_register_fixed_ext(exynos5420_fixed_rate_ext_clks, + ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); + + samsung_clk_of_register_fixed_ext(ctx, exynos5420_fixed_rate_ext_clks, ARRAY_SIZE(exynos5420_fixed_rate_ext_clks), ext_clk_match); - samsung_clk_register_pll(exynos5420_plls, ARRAY_SIZE(exynos5420_plls), - reg_base); - samsung_clk_register_fixed_rate(exynos5420_fixed_rate_clks, + samsung_clk_register_pll(ctx, exynos5420_plls, + ARRAY_SIZE(exynos5420_plls), + reg_base); + samsung_clk_register_fixed_rate(ctx, exynos5420_fixed_rate_clks, ARRAY_SIZE(exynos5420_fixed_rate_clks)); - samsung_clk_register_fixed_factor(exynos5420_fixed_factor_clks, + samsung_clk_register_fixed_factor(ctx, exynos5420_fixed_factor_clks, ARRAY_SIZE(exynos5420_fixed_factor_clks)); - samsung_clk_register_mux(exynos5420_mux_clks, + samsung_clk_register_mux(ctx, exynos5420_mux_clks, ARRAY_SIZE(exynos5420_mux_clks)); - samsung_clk_register_div(exynos5420_div_clks, + samsung_clk_register_div(ctx, exynos5420_div_clks, ARRAY_SIZE(exynos5420_div_clks)); - samsung_clk_register_gate(exynos5420_gate_clks, + samsung_clk_register_gate(ctx, exynos5420_gate_clks, ARRAY_SIZE(exynos5420_gate_clks)); exynos5420_clk_sleep_init(); diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c index 2bfad5a..647f144 100644 --- a/drivers/clk/samsung/clk-exynos5440.c +++ b/drivers/clk/samsung/clk-exynos5440.c @@ -93,6 +93,7 @@ static struct of_device_id ext_clk_match[] __initdata = { static void __init exynos5440_clk_init(struct device_node *np) { void __iomem *reg_base; + struct samsung_clk_provider *ctx; reg_base = of_iomap(np, 0); if (!reg_base) { @@ -101,22 +102,25 @@ static void __init exynos5440_clk_init(struct device_node *np) return; } - samsung_clk_init(np, reg_base, CLK_NR_CLKS); - samsung_clk_of_register_fixed_ext(exynos5440_fixed_rate_ext_clks, + ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); + + samsung_clk_of_register_fixed_ext(ctx, exynos5440_fixed_rate_ext_clks, ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match); samsung_clk_register_pll2550x("cplla", "xtal", reg_base + 0x1c, 0x10); samsung_clk_register_pll2550x("cpllb", "xtal", reg_base + 0x20, 0x10); - samsung_clk_register_fixed_rate(exynos5440_fixed_rate_clks, + samsung_clk_register_fixed_rate(ctx, exynos5440_fixed_rate_clks, ARRAY_SIZE(exynos5440_fixed_rate_clks)); - samsung_clk_register_fixed_factor(exynos5440_fixed_factor_clks, + samsung_clk_register_fixed_factor(ctx, exynos5440_fixed_factor_clks, ARRAY_SIZE(exynos5440_fixed_factor_clks)); - samsung_clk_register_mux(exynos5440_mux_clks, + samsung_clk_register_mux(ctx, exynos5440_mux_clks, ARRAY_SIZE(exynos5440_mux_clks)); - samsung_clk_register_div(exynos5440_div_clks, + samsung_clk_register_div(ctx, exynos5440_div_clks, ARRAY_SIZE(exynos5440_div_clks)); - samsung_clk_register_gate(exynos5440_gate_clks, + samsung_clk_register_gate(ctx, exynos5440_gate_clks, ARRAY_SIZE(exynos5440_gate_clks)); pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("arm_clk")); diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 7fb0a28..1f310be 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -947,8 +947,9 @@ struct clk * __init samsung_clk_register_pll2550x(const char *name, return clk; } -static void __init _samsung_clk_register_pll(struct samsung_pll_clock *pll_clk, - void __iomem *base) +static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, + struct samsung_pll_clock *pll_clk, + void __iomem *base) { struct samsung_clk_pll *pll; struct clk *clk; @@ -1066,7 +1067,7 @@ static void __init _samsung_clk_register_pll(struct samsung_pll_clock *pll_clk, return; } - samsung_clk_add_lookup(clk, pll_clk->id); + samsung_clk_add_lookup(ctx, clk, pll_clk->id); if (!pll_clk->alias) return; @@ -1077,11 +1078,12 @@ static void __init _samsung_clk_register_pll(struct samsung_pll_clock *pll_clk, __func__, pll_clk->name, ret); } -void __init samsung_clk_register_pll(struct samsung_pll_clock *pll_list, - unsigned int nr_pll, void __iomem *base) +void __init samsung_clk_register_pll(struct samsung_clk_provider *ctx, + struct samsung_pll_clock *pll_list, + unsigned int nr_pll, void __iomem *base) { int cnt; for (cnt = 0; cnt < nr_pll; cnt++) - _samsung_clk_register_pll(&pll_list[cnt], base); + _samsung_clk_register_pll(ctx, &pll_list[cnt], base); } diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c index 7b41821..ba07168 100644 --- a/drivers/clk/samsung/clk-s3c2410.c +++ b/drivers/clk/samsung/clk-s3c2410.c @@ -344,21 +344,24 @@ struct samsung_fixed_rate_clock s3c2410_common_frate_clks[] __initdata = { FRATE(XTI, "xti", NULL, CLK_IS_ROOT, 0), }; -static void __init s3c2410_common_clk_register_fixed_ext(unsigned long xti_f) +static void __init s3c2410_common_clk_register_fixed_ext( + struct samsung_clk_provider *ctx, + unsigned long xti_f) { struct samsung_clock_alias xti_alias = ALIAS(XTI, NULL, "xtal"); s3c2410_common_frate_clks[0].fixed_rate = xti_f; - samsung_clk_register_fixed_rate(s3c2410_common_frate_clks, + samsung_clk_register_fixed_rate(ctx, s3c2410_common_frate_clks, ARRAY_SIZE(s3c2410_common_frate_clks)); - samsung_clk_register_alias(&xti_alias, 1); + samsung_clk_register_alias(ctx, &xti_alias, 1); } void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, int current_soc, void __iomem *base) { + struct samsung_clk_provider *ctx; reg_base = base; if (np) { @@ -367,11 +370,13 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, panic("%s: failed to map registers\n", __func__); } - samsung_clk_init(np, reg_base, NR_CLKS); + ctx = samsung_clk_init(np, reg_base, NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); /* Register external clocks only in non-dt cases */ if (!np) - s3c2410_common_clk_register_fixed_ext(xti_f); + s3c2410_common_clk_register_fixed_ext(ctx, xti_f); if (current_soc == 2410) { if (_get_rate("xti") == 12 * MHZ) { @@ -380,7 +385,7 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, } /* Register PLLs. */ - samsung_clk_register_pll(s3c2410_plls, + samsung_clk_register_pll(ctx, s3c2410_plls, ARRAY_SIZE(s3c2410_plls), reg_base); } else { /* S3C2440, S3C2442 */ @@ -396,49 +401,49 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, } /* Register PLLs. */ - samsung_clk_register_pll(s3c244x_common_plls, + samsung_clk_register_pll(ctx, s3c244x_common_plls, ARRAY_SIZE(s3c244x_common_plls), reg_base); } /* Register common internal clocks. */ - samsung_clk_register_mux(s3c2410_common_muxes, + samsung_clk_register_mux(ctx, s3c2410_common_muxes, ARRAY_SIZE(s3c2410_common_muxes)); - samsung_clk_register_div(s3c2410_common_dividers, + samsung_clk_register_div(ctx, s3c2410_common_dividers, ARRAY_SIZE(s3c2410_common_dividers)); - samsung_clk_register_gate(s3c2410_common_gates, + samsung_clk_register_gate(ctx, s3c2410_common_gates, ARRAY_SIZE(s3c2410_common_gates)); if (current_soc == S3C2440 || current_soc == S3C2442) { - samsung_clk_register_div(s3c244x_common_dividers, + samsung_clk_register_div(ctx, s3c244x_common_dividers, ARRAY_SIZE(s3c244x_common_dividers)); - samsung_clk_register_gate(s3c244x_common_gates, + samsung_clk_register_gate(ctx, s3c244x_common_gates, ARRAY_SIZE(s3c244x_common_gates)); - samsung_clk_register_mux(s3c244x_common_muxes, + samsung_clk_register_mux(ctx, s3c244x_common_muxes, ARRAY_SIZE(s3c244x_common_muxes)); - samsung_clk_register_fixed_factor(s3c244x_common_ffactor, + samsung_clk_register_fixed_factor(ctx, s3c244x_common_ffactor, ARRAY_SIZE(s3c244x_common_ffactor)); } /* Register SoC-specific clocks. */ switch (current_soc) { case S3C2410: - samsung_clk_register_div(s3c2410_dividers, + samsung_clk_register_div(ctx, s3c2410_dividers, ARRAY_SIZE(s3c2410_dividers)); - samsung_clk_register_fixed_factor(s3c2410_ffactor, + samsung_clk_register_fixed_factor(ctx, s3c2410_ffactor, ARRAY_SIZE(s3c2410_ffactor)); - samsung_clk_register_alias(s3c2410_aliases, + samsung_clk_register_alias(ctx, s3c2410_aliases, ARRAY_SIZE(s3c2410_common_aliases)); break; case S3C2440: - samsung_clk_register_mux(s3c2440_muxes, + samsung_clk_register_mux(ctx, s3c2440_muxes, ARRAY_SIZE(s3c2440_muxes)); - samsung_clk_register_gate(s3c2440_gates, + samsung_clk_register_gate(ctx, s3c2440_gates, ARRAY_SIZE(s3c2440_gates)); break; case S3C2442: - samsung_clk_register_mux(s3c2442_muxes, + samsung_clk_register_mux(ctx, s3c2442_muxes, ARRAY_SIZE(s3c2442_muxes)); - samsung_clk_register_fixed_factor(s3c2442_ffactor, + samsung_clk_register_fixed_factor(ctx, s3c2442_ffactor, ARRAY_SIZE(s3c2442_ffactor)); break; } @@ -447,11 +452,11 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, * Register common aliases at the end, as some of the aliased clocks * are SoC specific. */ - samsung_clk_register_alias(s3c2410_common_aliases, + samsung_clk_register_alias(ctx, s3c2410_common_aliases, ARRAY_SIZE(s3c2410_common_aliases)); if (current_soc == S3C2440 || current_soc == S3C2442) { - samsung_clk_register_alias(s3c244x_common_aliases, + samsung_clk_register_alias(ctx, s3c244x_common_aliases, ARRAY_SIZE(s3c244x_common_aliases)); } diff --git a/drivers/clk/samsung/clk-s3c2412.c b/drivers/clk/samsung/clk-s3c2412.c index 0f11a07..23e4313 100644 --- a/drivers/clk/samsung/clk-s3c2412.c +++ b/drivers/clk/samsung/clk-s3c2412.c @@ -214,23 +214,25 @@ struct samsung_fixed_rate_clock s3c2412_common_frate_clks[] __initdata = { FRATE(0, "ext", NULL, CLK_IS_ROOT, 0), }; -static void __init s3c2412_common_clk_register_fixed_ext(unsigned long xti_f, - unsigned long ext_f) +static void __init s3c2412_common_clk_register_fixed_ext( + struct samsung_clk_provider *ctx, + unsigned long xti_f, unsigned long ext_f) { /* xtal alias is necessary for the current cpufreq driver */ struct samsung_clock_alias xti_alias = ALIAS(XTI, NULL, "xtal"); s3c2412_common_frate_clks[0].fixed_rate = xti_f; s3c2412_common_frate_clks[1].fixed_rate = ext_f; - samsung_clk_register_fixed_rate(s3c2412_common_frate_clks, + samsung_clk_register_fixed_rate(ctx, s3c2412_common_frate_clks, ARRAY_SIZE(s3c2412_common_frate_clks)); - samsung_clk_register_alias(&xti_alias, 1); + samsung_clk_register_alias(ctx, &xti_alias, 1); } void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, unsigned long ext_f, void __iomem *base) { + struct samsung_clk_provider *ctx; reg_base = base; if (np) { @@ -239,24 +241,27 @@ void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, panic("%s: failed to map registers\n", __func__); } - samsung_clk_init(np, reg_base, NR_CLKS); + ctx = samsung_clk_init(np, reg_base, NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); /* Register external clocks only in non-dt cases */ if (!np) - s3c2412_common_clk_register_fixed_ext(xti_f, ext_f); + s3c2412_common_clk_register_fixed_ext(ctx, xti_f, ext_f); /* Register PLLs. */ - samsung_clk_register_pll(s3c2412_plls, ARRAY_SIZE(s3c2412_plls), + samsung_clk_register_pll(ctx, s3c2412_plls, ARRAY_SIZE(s3c2412_plls), reg_base); /* Register common internal clocks. */ - samsung_clk_register_mux(s3c2412_muxes, ARRAY_SIZE(s3c2412_muxes)); - samsung_clk_register_div(s3c2412_dividers, + samsung_clk_register_mux(ctx, s3c2412_muxes, ARRAY_SIZE(s3c2412_muxes)); + samsung_clk_register_div(ctx, s3c2412_dividers, ARRAY_SIZE(s3c2412_dividers)); - samsung_clk_register_gate(s3c2412_gates, ARRAY_SIZE(s3c2412_gates)); - samsung_clk_register_fixed_factor(s3c2412_ffactor, + samsung_clk_register_gate(ctx, s3c2412_gates, + ARRAY_SIZE(s3c2412_gates)); + samsung_clk_register_fixed_factor(ctx, s3c2412_ffactor, ARRAY_SIZE(s3c2412_ffactor)); - samsung_clk_register_alias(s3c2412_aliases, + samsung_clk_register_alias(ctx, s3c2412_aliases, ARRAY_SIZE(s3c2412_aliases)); s3c2412_clk_sleep_init(); diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c index 8e4f451..c4bbdab 100644 --- a/drivers/clk/samsung/clk-s3c2443.c +++ b/drivers/clk/samsung/clk-s3c2443.c @@ -365,10 +365,11 @@ struct samsung_fixed_rate_clock s3c2443_common_frate_clks[] __initdata = { FRATE(0, "ext_uart", NULL, CLK_IS_ROOT, 0), }; -static void __init s3c2443_common_clk_register_fixed_ext(unsigned long xti_f) +static void __init s3c2443_common_clk_register_fixed_ext( + struct samsung_clk_provider *ctx, unsigned long xti_f) { s3c2443_common_frate_clks[0].fixed_rate = xti_f; - samsung_clk_register_fixed_rate(s3c2443_common_frate_clks, + samsung_clk_register_fixed_rate(ctx, s3c2443_common_frate_clks, ARRAY_SIZE(s3c2443_common_frate_clks)); } @@ -376,6 +377,7 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, int current_soc, void __iomem *base) { + struct samsung_clk_provider *ctx; reg_base = base; if (np) { @@ -384,58 +386,60 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, panic("%s: failed to map registers\n", __func__); } - samsung_clk_init(np, reg_base, NR_CLKS); + ctx = samsung_clk_init(np, reg_base, NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); /* Register external clocks only in non-dt cases */ if (!np) - s3c2443_common_clk_register_fixed_ext(xti_f); + s3c2443_common_clk_register_fixed_ext(ctx, xti_f); /* Register PLLs. */ if (current_soc == S3C2416 || current_soc == S3C2450) - samsung_clk_register_pll(s3c2416_pll_clks, + samsung_clk_register_pll(ctx, s3c2416_pll_clks, ARRAY_SIZE(s3c2416_pll_clks), reg_base); else - samsung_clk_register_pll(s3c2443_pll_clks, + samsung_clk_register_pll(ctx, s3c2443_pll_clks, ARRAY_SIZE(s3c2443_pll_clks), reg_base); /* Register common internal clocks. */ - samsung_clk_register_mux(s3c2443_common_muxes, + samsung_clk_register_mux(ctx, s3c2443_common_muxes, ARRAY_SIZE(s3c2443_common_muxes)); - samsung_clk_register_div(s3c2443_common_dividers, + samsung_clk_register_div(ctx, s3c2443_common_dividers, ARRAY_SIZE(s3c2443_common_dividers)); - samsung_clk_register_gate(s3c2443_common_gates, + samsung_clk_register_gate(ctx, s3c2443_common_gates, ARRAY_SIZE(s3c2443_common_gates)); - samsung_clk_register_alias(s3c2443_common_aliases, + samsung_clk_register_alias(ctx, s3c2443_common_aliases, ARRAY_SIZE(s3c2443_common_aliases)); /* Register SoC-specific clocks. */ switch (current_soc) { case S3C2450: - samsung_clk_register_div(s3c2450_dividers, + samsung_clk_register_div(ctx, s3c2450_dividers, ARRAY_SIZE(s3c2450_dividers)); - samsung_clk_register_mux(s3c2450_muxes, + samsung_clk_register_mux(ctx, s3c2450_muxes, ARRAY_SIZE(s3c2450_muxes)); - samsung_clk_register_gate(s3c2450_gates, + samsung_clk_register_gate(ctx, s3c2450_gates, ARRAY_SIZE(s3c2450_gates)); - samsung_clk_register_alias(s3c2450_aliases, + samsung_clk_register_alias(ctx, s3c2450_aliases, ARRAY_SIZE(s3c2450_aliases)); /* fall through, as s3c2450 extends the s3c2416 clocks */ case S3C2416: - samsung_clk_register_div(s3c2416_dividers, + samsung_clk_register_div(ctx, s3c2416_dividers, ARRAY_SIZE(s3c2416_dividers)); - samsung_clk_register_mux(s3c2416_muxes, + samsung_clk_register_mux(ctx, s3c2416_muxes, ARRAY_SIZE(s3c2416_muxes)); - samsung_clk_register_gate(s3c2416_gates, + samsung_clk_register_gate(ctx, s3c2416_gates, ARRAY_SIZE(s3c2416_gates)); - samsung_clk_register_alias(s3c2416_aliases, + samsung_clk_register_alias(ctx, s3c2416_aliases, ARRAY_SIZE(s3c2416_aliases)); break; case S3C2443: - samsung_clk_register_div(s3c2443_dividers, + samsung_clk_register_div(ctx, s3c2443_dividers, ARRAY_SIZE(s3c2443_dividers)); - samsung_clk_register_gate(s3c2443_gates, + samsung_clk_register_gate(ctx, s3c2443_gates, ARRAY_SIZE(s3c2443_gates)); - samsung_clk_register_alias(s3c2443_aliases, + samsung_clk_register_alias(ctx, s3c2443_aliases, ARRAY_SIZE(s3c2443_aliases)); break; } diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c index 8bda658..efa16ee 100644 --- a/drivers/clk/samsung/clk-s3c64xx.c +++ b/drivers/clk/samsung/clk-s3c64xx.c @@ -442,12 +442,14 @@ static struct samsung_clock_alias s3c6410_clock_aliases[] = { ALIAS(MEM0_SROM, NULL, "srom"), }; -static void __init s3c64xx_clk_register_fixed_ext(unsigned long fin_pll_f, - unsigned long xusbxti_f) +static void __init s3c64xx_clk_register_fixed_ext( + struct samsung_clk_provider *ctx, + unsigned long fin_pll_f, + unsigned long xusbxti_f) { s3c64xx_fixed_rate_ext_clks[0].fixed_rate = fin_pll_f; s3c64xx_fixed_rate_ext_clks[1].fixed_rate = xusbxti_f; - samsung_clk_register_fixed_rate(s3c64xx_fixed_rate_ext_clks, + samsung_clk_register_fixed_rate(ctx, s3c64xx_fixed_rate_ext_clks, ARRAY_SIZE(s3c64xx_fixed_rate_ext_clks)); } @@ -456,6 +458,8 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, unsigned long xusbxti_f, bool s3c6400, void __iomem *base) { + struct samsung_clk_provider *ctx; + reg_base = base; is_s3c6400 = s3c6400; @@ -465,48 +469,50 @@ void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, panic("%s: failed to map registers\n", __func__); } - samsung_clk_init(np, reg_base, NR_CLKS); + ctx = samsung_clk_init(np, reg_base, NR_CLKS); + if (!ctx) + panic("%s: unable to allocate context.\n", __func__); /* Register external clocks. */ if (!np) - s3c64xx_clk_register_fixed_ext(xtal_f, xusbxti_f); + s3c64xx_clk_register_fixed_ext(ctx, xtal_f, xusbxti_f); /* Register PLLs. */ - samsung_clk_register_pll(s3c64xx_pll_clks, + samsung_clk_register_pll(ctx, s3c64xx_pll_clks, ARRAY_SIZE(s3c64xx_pll_clks), reg_base); /* Register common internal clocks. */ - samsung_clk_register_fixed_rate(s3c64xx_fixed_rate_clks, + samsung_clk_register_fixed_rate(ctx, s3c64xx_fixed_rate_clks, ARRAY_SIZE(s3c64xx_fixed_rate_clks)); - samsung_clk_register_mux(s3c64xx_mux_clks, + samsung_clk_register_mux(ctx, s3c64xx_mux_clks, ARRAY_SIZE(s3c64xx_mux_clks)); - samsung_clk_register_div(s3c64xx_div_clks, + samsung_clk_register_div(ctx, s3c64xx_div_clks, ARRAY_SIZE(s3c64xx_div_clks)); - samsung_clk_register_gate(s3c64xx_gate_clks, + samsung_clk_register_gate(ctx, s3c64xx_gate_clks, ARRAY_SIZE(s3c64xx_gate_clks)); /* Register SoC-specific clocks. */ if (is_s3c6400) { - samsung_clk_register_mux(s3c6400_mux_clks, + samsung_clk_register_mux(ctx, s3c6400_mux_clks, ARRAY_SIZE(s3c6400_mux_clks)); - samsung_clk_register_div(s3c6400_div_clks, + samsung_clk_register_div(ctx, s3c6400_div_clks, ARRAY_SIZE(s3c6400_div_clks)); - samsung_clk_register_gate(s3c6400_gate_clks, + samsung_clk_register_gate(ctx, s3c6400_gate_clks, ARRAY_SIZE(s3c6400_gate_clks)); - samsung_clk_register_alias(s3c6400_clock_aliases, + samsung_clk_register_alias(ctx, s3c6400_clock_aliases, ARRAY_SIZE(s3c6400_clock_aliases)); } else { - samsung_clk_register_mux(s3c6410_mux_clks, + samsung_clk_register_mux(ctx, s3c6410_mux_clks, ARRAY_SIZE(s3c6410_mux_clks)); - samsung_clk_register_div(s3c6410_div_clks, + samsung_clk_register_div(ctx, s3c6410_div_clks, ARRAY_SIZE(s3c6410_div_clks)); - samsung_clk_register_gate(s3c6410_gate_clks, + samsung_clk_register_gate(ctx, s3c6410_gate_clks, ARRAY_SIZE(s3c6410_gate_clks)); - samsung_clk_register_alias(s3c6410_clock_aliases, + samsung_clk_register_alias(ctx, s3c6410_clock_aliases, ARRAY_SIZE(s3c6410_clock_aliases)); } - samsung_clk_register_alias(s3c64xx_clock_aliases, + samsung_clk_register_alias(ctx, s3c64xx_clock_aliases, ARRAY_SIZE(s3c64xx_clock_aliases)); s3c64xx_clk_sleep_init(); diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c index 91bec3e..41c1461 100644 --- a/drivers/clk/samsung/clk.c +++ b/drivers/clk/samsung/clk.c @@ -14,13 +14,6 @@ #include <linux/syscore_ops.h> #include "clk.h" -static DEFINE_SPINLOCK(lock); -static struct clk **clk_table; -static void __iomem *reg_base; -#ifdef CONFIG_OF -static struct clk_onecell_data clk_data; -#endif - void samsung_clk_save(void __iomem *base, struct samsung_clk_reg_dump *rd, unsigned int num_regs) @@ -55,40 +48,53 @@ struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump( } /* setup the essentials required to support clock lookup using ccf */ -void __init samsung_clk_init(struct device_node *np, void __iomem *base, - unsigned long nr_clks) +struct samsung_clk_provider *__init samsung_clk_init(struct device_node *np, + void __iomem *base, unsigned long nr_clks) { - reg_base = base; + struct samsung_clk_provider *ctx; + struct clk **clk_table; + int ret; + ctx = kzalloc(sizeof(struct samsung_clk_provider), GFP_KERNEL); + if (!ctx) + panic("could not allocate clock provider context.\n"); clk_table = kzalloc(sizeof(struct clk *) * nr_clks, GFP_KERNEL); if (!clk_table) panic("could not allocate clock lookup table\n"); + ctx->reg_base = base; + ctx->clk_data.clks = clk_table; + ctx->clk_data.clk_num = nr_clks; + spin_lock_init(&ctx->lock); + if (!np) - return; + return ctx; -#ifdef CONFIG_OF - clk_data.clks = clk_table; - clk_data.clk_num = nr_clks; - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); -#endif + ret = of_clk_add_provider(np, of_clk_src_onecell_get, + &ctx->clk_data); + if (ret) + panic("could not register clock provide\n"); + + return ctx; } /* add a clock instance to the clock lookup table used for dt based lookup */ -void samsung_clk_add_lookup(struct clk *clk, unsigned int id) +void samsung_clk_add_lookup(struct samsung_clk_provider *ctx, struct clk *clk, + unsigned int id) { - if (clk_table && id) - clk_table[id] = clk; + if (ctx->clk_data.clks && id) + ctx->clk_data.clks[id] = clk; } /* register a list of aliases */ -void __init samsung_clk_register_alias(struct samsung_clock_alias *list, - unsigned int nr_clk) +void __init samsung_clk_register_alias(struct samsung_clk_provider *ctx, + struct samsung_clock_alias *list, + unsigned int nr_clk) { struct clk *clk; unsigned int idx, ret; - if (!clk_table) { + if (!ctx->clk_data.clks) { pr_err("%s: clock table missing\n", __func__); return; } @@ -100,7 +106,7 @@ void __init samsung_clk_register_alias(struct samsung_clock_alias *list, continue; } - clk = clk_table[list->id]; + clk = ctx->clk_data.clks[list->id]; if (!clk) { pr_err("%s: failed to find clock %d\n", __func__, list->id); @@ -115,7 +121,7 @@ void __init samsung_clk_register_alias(struct samsung_clock_alias *list, } /* register a list of fixed clocks */ -void __init samsung_clk_register_fixed_rate( +void __init samsung_clk_register_fixed_rate(struct samsung_clk_provider *ctx, struct samsung_fixed_rate_clock *list, unsigned int nr_clk) { struct clk *clk; @@ -130,7 +136,7 @@ void __init samsung_clk_register_fixed_rate( continue; } - samsung_clk_add_lookup(clk, list->id); + samsung_clk_add_lookup(ctx, clk, list->id); /* * Unconditionally add a clock lookup for the fixed rate clocks. @@ -144,7 +150,7 @@ void __init samsung_clk_register_fixed_rate( } /* register a list of fixed factor clocks */ -void __init samsung_clk_register_fixed_factor( +void __init samsung_clk_register_fixed_factor(struct samsung_clk_provider *ctx, struct samsung_fixed_factor_clock *list, unsigned int nr_clk) { struct clk *clk; @@ -159,28 +165,30 @@ void __init samsung_clk_register_fixed_factor( continue; } - samsung_clk_add_lookup(clk, list->id); + samsung_clk_add_lookup(ctx, clk, list->id); } } /* register a list of mux clocks */ -void __init samsung_clk_register_mux(struct samsung_mux_clock *list, - unsigned int nr_clk) +void __init samsung_clk_register_mux(struct samsung_clk_provider *ctx, + struct samsung_mux_clock *list, + unsigned int nr_clk) { struct clk *clk; unsigned int idx, ret; for (idx = 0; idx < nr_clk; idx++, list++) { clk = clk_register_mux(NULL, list->name, list->parent_names, - list->num_parents, list->flags, reg_base + list->offset, - list->shift, list->width, list->mux_flags, &lock); + list->num_parents, list->flags, + ctx->reg_base + list->offset, + list->shift, list->width, list->mux_flags, &ctx->lock); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, list->name); continue; } - samsung_clk_add_lookup(clk, list->id); + samsung_clk_add_lookup(ctx, clk, list->id); /* register a clock lookup only if a clock alias is specified */ if (list->alias) { @@ -194,8 +202,9 @@ void __init samsung_clk_register_mux(struct samsung_mux_clock *list, } /* register a list of div clocks */ -void __init samsung_clk_register_div(struct samsung_div_clock *list, - unsigned int nr_clk) +void __init samsung_clk_register_div(struct samsung_clk_provider *ctx, + struct samsung_div_clock *list, + unsigned int nr_clk) { struct clk *clk; unsigned int idx, ret; @@ -203,22 +212,22 @@ void __init samsung_clk_register_div(struct samsung_div_clock *list, for (idx = 0; idx < nr_clk; idx++, list++) { if (list->table) clk = clk_register_divider_table(NULL, list->name, - list->parent_name, list->flags, - reg_base + list->offset, list->shift, - list->width, list->div_flags, - list->table, &lock); + list->parent_name, list->flags, + ctx->reg_base + list->offset, + list->shift, list->width, list->div_flags, + list->table, &ctx->lock); else clk = clk_register_divider(NULL, list->name, - list->parent_name, list->flags, - reg_base + list->offset, list->shift, - list->width, list->div_flags, &lock); + list->parent_name, list->flags, + ctx->reg_base + list->offset, list->shift, + list->width, list->div_flags, &ctx->lock); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, list->name); continue; } - samsung_clk_add_lookup(clk, list->id); + samsung_clk_add_lookup(ctx, clk, list->id); /* register a clock lookup only if a clock alias is specified */ if (list->alias) { @@ -232,16 +241,17 @@ void __init samsung_clk_register_div(struct samsung_div_clock *list, } /* register a list of gate clocks */ -void __init samsung_clk_register_gate(struct samsung_gate_clock *list, - unsigned int nr_clk) +void __init samsung_clk_register_gate(struct samsung_clk_provider *ctx, + struct samsung_gate_clock *list, + unsigned int nr_clk) { struct clk *clk; unsigned int idx, ret; for (idx = 0; idx < nr_clk; idx++, list++) { clk = clk_register_gate(NULL, list->name, list->parent_name, - list->flags, reg_base + list->offset, - list->bit_idx, list->gate_flags, &lock); + list->flags, ctx->reg_base + list->offset, + list->bit_idx, list->gate_flags, &ctx->lock); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, list->name); @@ -257,7 +267,7 @@ void __init samsung_clk_register_gate(struct samsung_gate_clock *list, __func__, list->alias); } - samsung_clk_add_lookup(clk, list->id); + samsung_clk_add_lookup(ctx, clk, list->id); } } @@ -266,21 +276,21 @@ void __init samsung_clk_register_gate(struct samsung_gate_clock *list, * tree and register it */ #ifdef CONFIG_OF -void __init samsung_clk_of_register_fixed_ext( +void __init samsung_clk_of_register_fixed_ext(struct samsung_clk_provider *ctx, struct samsung_fixed_rate_clock *fixed_rate_clk, unsigned int nr_fixed_rate_clk, struct of_device_id *clk_matches) { const struct of_device_id *match; - struct device_node *np; + struct device_node *clk_np; u32 freq; - for_each_matching_node_and_match(np, clk_matches, &match) { - if (of_property_read_u32(np, "clock-frequency", &freq)) + for_each_matching_node_and_match(clk_np, clk_matches, &match) { + if (of_property_read_u32(clk_np, "clock-frequency", &freq)) continue; fixed_rate_clk[(u32)match->data].fixed_rate = freq; } - samsung_clk_register_fixed_rate(fixed_rate_clk, nr_fixed_rate_clk); + samsung_clk_register_fixed_rate(ctx, fixed_rate_clk, nr_fixed_rate_clk); } #endif diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h index c7141ba..9693b80 100644 --- a/drivers/clk/samsung/clk.h +++ b/drivers/clk/samsung/clk.h @@ -22,6 +22,18 @@ #include "clk-pll.h" /** + * struct samsung_clk_provider: information about clock provider + * @reg_base: virtual address for the register base. + * @clk_data: holds clock related data like clk* and number of clocks. + * @lock: maintains exclusion bwtween callbacks for a given clock-provider. + */ +struct samsung_clk_provider { + void __iomem *reg_base; + struct clk_onecell_data clk_data; + spinlock_t lock; +}; + +/** * struct samsung_clock_alias: information about mux clock * @id: platform specific id of the clock. * @dev_name: name of the device to which this clock belongs. @@ -312,40 +324,52 @@ struct samsung_pll_clock { __PLL(_typ, _id, NULL, _name, _pname, CLK_GET_RATE_NOCACHE, \ _lock, _con, _rtable, _alias) -extern void __init samsung_clk_init(struct device_node *np, void __iomem *base, - unsigned long nr_clks); +extern struct samsung_clk_provider *__init samsung_clk_init( + struct device_node *np, void __iomem *base, + unsigned long nr_clks); extern void __init samsung_clk_of_register_fixed_ext( - struct samsung_fixed_rate_clock *fixed_rate_clk, - unsigned int nr_fixed_rate_clk, - struct of_device_id *clk_matches); + struct samsung_clk_provider *ctx, + struct samsung_fixed_rate_clock *fixed_rate_clk, + unsigned int nr_fixed_rate_clk, + struct of_device_id *clk_matches); -extern void samsung_clk_add_lookup(struct clk *clk, unsigned int id); +extern void samsung_clk_add_lookup(struct samsung_clk_provider *ctx, + struct clk *clk, unsigned int id); -extern void samsung_clk_register_alias(struct samsung_clock_alias *list, - unsigned int nr_clk); +extern void samsung_clk_register_alias(struct samsung_clk_provider *ctx, + struct samsung_clock_alias *list, + unsigned int nr_clk); extern void __init samsung_clk_register_fixed_rate( - struct samsung_fixed_rate_clock *clk_list, unsigned int nr_clk); + struct samsung_clk_provider *ctx, + struct samsung_fixed_rate_clock *clk_list, + unsigned int nr_clk); extern void __init samsung_clk_register_fixed_factor( - struct samsung_fixed_factor_clock *list, unsigned int nr_clk); -extern void __init samsung_clk_register_mux(struct samsung_mux_clock *clk_list, - unsigned int nr_clk); -extern void __init samsung_clk_register_div(struct samsung_div_clock *clk_list, - unsigned int nr_clk); -extern void __init samsung_clk_register_gate( - struct samsung_gate_clock *clk_list, unsigned int nr_clk); -extern void __init samsung_clk_register_pll(struct samsung_pll_clock *pll_list, - unsigned int nr_clk, void __iomem *base); + struct samsung_clk_provider *ctx, + struct samsung_fixed_factor_clock *list, + unsigned int nr_clk); +extern void __init samsung_clk_register_mux(struct samsung_clk_provider *ctx, + struct samsung_mux_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_div(struct samsung_clk_provider *ctx, + struct samsung_div_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_gate(struct samsung_clk_provider *ctx, + struct samsung_gate_clock *clk_list, + unsigned int nr_clk); +extern void __init samsung_clk_register_pll(struct samsung_clk_provider *ctx, + struct samsung_pll_clock *pll_list, + unsigned int nr_clk, void __iomem *base); extern unsigned long _get_rate(const char *clk_name); extern void samsung_clk_save(void __iomem *base, - struct samsung_clk_reg_dump *rd, - unsigned int num_regs); + struct samsung_clk_reg_dump *rd, + unsigned int num_regs); extern void samsung_clk_restore(void __iomem *base, - const struct samsung_clk_reg_dump *rd, - unsigned int num_regs); + const struct samsung_clk_reg_dump *rd, + unsigned int num_regs); extern struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump( - const unsigned long *rdump, - unsigned long nr_rdump); + const unsigned long *rdump, + unsigned long nr_rdump); #endif /* __SAMSUNG_CLK_H */ |
