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authorMark Brown <broonie@kernel.org>2026-08-21 13:56:06 +0100
committerMark Brown <broonie@kernel.org>2026-08-21 13:56:06 +0100
commit6601138b80711a308f8e6e656b54e297126ba04d (patch)
treedbfe3737a701a5bd5f89eb539952dde80e668d32
parente9502daedc4476ba5975451afcf4fa5f5adeca2b (diff)
parentacde40ba506aae78633e080b5704d33cf4bc13c6 (diff)
downloadlinux-next-6601138b80711a308f8e6e656b54e297126ba04d.tar.gz
linux-next-6601138b80711a308f8e6e656b54e297126ba04d.zip
Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
-rw-r--r--drivers/clk/samsung/clk-cpu.c34
-rw-r--r--drivers/clk/samsung/clk-exynos990.c24
-rw-r--r--drivers/clk/samsung/clk-pll.c56
-rw-r--r--drivers/clk/samsung/clk.c11
-rw-r--r--drivers/clk/samsung/clk.h4
-rw-r--r--include/dt-bindings/clock/samsung,exynos990.h1
6 files changed, 63 insertions, 67 deletions
diff --git a/drivers/clk/samsung/clk-cpu.c b/drivers/clk/samsung/clk-cpu.c
index ffc33e5decf5..37cf47533dc6 100644
--- a/drivers/clk/samsung/clk-cpu.c
+++ b/drivers/clk/samsung/clk-cpu.c
@@ -101,11 +101,11 @@ struct exynos_cpuclk {
const struct clk_hw *alt_parent;
void __iomem *base;
spinlock_t *lock;
- const struct exynos_cpuclk_cfg_data *cfg;
- const unsigned long num_cfgs;
+ unsigned long num_cfgs;
struct notifier_block clk_nb;
unsigned long flags;
const struct exynos_cpuclk_chip *chip;
+ struct exynos_cpuclk_cfg_data cfg[] __counted_by(num_cfgs);
};
/* ---- Common code --------------------------------------------------------- */
@@ -660,10 +660,6 @@ static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
return -EINVAL;
}
- cpuclk = kzalloc_obj(*cpuclk);
- if (!cpuclk)
- return -ENOMEM;
-
parent_name = clk_hw_get_name(parent);
init.name = clk_data->name;
@@ -672,6 +668,17 @@ static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
init.num_parents = 1;
init.ops = &exynos_cpuclk_clk_ops;
+ /* Find count of configuration rates in cfg */
+ for (num_cfgs = 0; clk_data->cfg[num_cfgs].prate != 0; )
+ num_cfgs++;
+
+ cpuclk = kzalloc_flex(*cpuclk, cfg, num_cfgs);
+ if (!cpuclk)
+ return -ENOMEM;
+
+ cpuclk->num_cfgs = num_cfgs;
+
+ memcpy(cpuclk->cfg, clk_data->cfg, num_cfgs * sizeof(*cpuclk->cfg));
cpuclk->alt_parent = alt_parent;
cpuclk->hw.init = &init;
cpuclk->base = ctx->reg_base + clk_data->offset;
@@ -687,29 +694,16 @@ static int __init exynos_register_cpu_clock(struct samsung_clk_provider *ctx,
goto free_cpuclk;
}
- /* Find count of configuration rates in cfg */
- for (num_cfgs = 0; clk_data->cfg[num_cfgs].prate != 0; )
- num_cfgs++;
-
- cpuclk->cfg = kmemdup_array(clk_data->cfg, num_cfgs, sizeof(*cpuclk->cfg),
- GFP_KERNEL);
- if (!cpuclk->cfg) {
- ret = -ENOMEM;
- goto unregister_clk_nb;
- }
-
ret = clk_hw_register(NULL, &cpuclk->hw);
if (ret) {
pr_err("%s: could not register cpuclk %s\n", __func__,
clk_data->name);
- goto free_cpuclk_data;
+ goto unregister_clk_nb;
}
samsung_clk_add_lookup(ctx, &cpuclk->hw, clk_data->id);
return 0;
-free_cpuclk_data:
- kfree(cpuclk->cfg);
unregister_clk_nb:
clk_notifier_unregister(parent->clk, &cpuclk->clk_nb);
free_cpuclk:
diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c
index 7a27557e6713..44c068bc1dc8 100644
--- a/drivers/clk/samsung/clk-exynos990.c
+++ b/drivers/clk/samsung/clk-exynos990.c
@@ -20,7 +20,7 @@
#define CLKS_NR_HSI0 (CLK_GOUT_HSI0_LHS_ACEL_D_HSI0_CLK + 1)
#define CLKS_NR_PERIC0 (CLK_GOUT_PERIC0_SYSREG_PCLK + 1)
#define CLKS_NR_PERIC1 (CLK_GOUT_PERIC1_XIU_P_ACLK + 1)
-#define CLKS_NR_PERIS (CLK_GOUT_PERIS_OTP_CON_TOP_OSCCLK + 1)
+#define CLKS_NR_PERIS (CLK_GOUT_PERIS_TMU_SUB_PCLK + 1)
/* ---- CMU_TOP ------------------------------------------------------------- */
@@ -2550,7 +2550,7 @@ static const unsigned long peris_clk_regs[] __initconst = {
/* Parent clock list for CMU_PERIS muxes */
PNAME(mout_peris_bus_user_p) = { "oscclk", "mout_cmu_peris_bus" };
-PNAME(mout_peris_clk_peris_gic_p) = { "oscclk", "mout_peris_bus_user" };
+PNAME(mout_peris_clk_peris_gic_p) = { "mout_peris_bus_user", "oscclk" };
static const struct samsung_mux_clock peris_mux_clks[] __initconst = {
MUX(CLK_MOUT_PERIS_BUS_USER, "mout_peris_bus_user",
@@ -2583,15 +2583,15 @@ static const struct samsung_gate_clock peris_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_BLK_PERIS_UID_RSTNSYNC_CLK_PERIS_BUSP_IPCLKPORT_CLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_CLK_PERIS_OSCCLK_CLK,
- "gout_peris_clk_peris_oscclk_clk", "mout_peris_bus_user",
+ "gout_peris_clk_peris_oscclk_clk", "oscclk",
CLK_CON_GAT_CLK_BLK_PERIS_UID_RSTNSYNC_CLK_PERIS_OSCCLK_IPCLKPORT_CLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_CLK_PERIS_GIC_CLK,
- "gout_peris_clk_peris_gic_clk", "mout_peris_bus_user",
+ "gout_peris_clk_peris_gic_clk", "mout_peris_clk_peris_gic",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_RSTNSYNC_CLK_PERIS_GIC_IPCLKPORT_CLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_AD_AXI_P_PERIS_ACLKM,
- "gout_peris_ad_axi_p_peris_aclkm", "mout_peris_bus_user",
+ "gout_peris_ad_axi_p_peris_aclkm", "mout_peris_clk_peris_gic",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_AD_AXI_P_PERIS_IPCLKPORT_ACLKM,
21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_GOUT_PERIS_OTP_CON_BIRA_PCLK,
@@ -2599,27 +2599,31 @@ static const struct samsung_gate_clock peris_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_BLK_PERIS_UID_OTP_CON_BIRA_IPCLKPORT_PCLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_GIC_CLK,
- "gout_peris_gic_clk", "mout_peris_bus_user",
+ "gout_peris_gic_clk", "mout_peris_clk_peris_gic",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_GIC_IPCLKPORT_CLK,
21, CLK_IS_CRITICAL, 0),
GATE(CLK_GOUT_PERIS_LHM_AXI_P_PERIS_CLK,
- "gout_peris_lhm_axi_p_peris_clk", "oscclk",
+ "gout_peris_lhm_axi_p_peris_clk", "mout_peris_bus_user",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_LHM_AXI_P_PERIS_IPCLKPORT_I_CLK,
21, CLK_IGNORE_UNUSED, 0),
GATE(CLK_GOUT_PERIS_MCT_PCLK,
- "gout_peris_mct_pclk", "mout_peris_clk_peris_gic",
+ "gout_peris_mct_pclk", "mout_peris_bus_user",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_MCT_IPCLKPORT_PCLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_OTP_CON_TOP_PCLK,
- "gout_peris_otp_con_top_pclk", "mout_peris_clk_peris_gic",
+ "gout_peris_otp_con_top_pclk", "mout_peris_bus_user",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_OTP_CON_TOP_IPCLKPORT_PCLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_D_TZPC_PERIS_PCLK,
"gout_peris_d_tzpc_peris_pclk", "mout_peris_bus_user",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_D_TZPC_PERIS_IPCLKPORT_PCLK,
21, 0, 0),
+ GATE(CLK_GOUT_PERIS_TMU_SUB_PCLK,
+ "gout_peris_tmu_sub_pclk", "mout_peris_bus_user",
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_TMU_SUB_IPCLKPORT_PCLK,
+ 21, 0, 0),
GATE(CLK_GOUT_PERIS_TMU_TOP_PCLK,
- "gout_peris_tmu_top_pclk", "mout_peris_clk_peris_gic",
+ "gout_peris_tmu_top_pclk", "mout_peris_bus_user",
CLK_CON_GAT_GOUT_BLK_PERIS_UID_TMU_TOP_IPCLKPORT_PCLK,
21, 0, 0),
GATE(CLK_GOUT_PERIS_OTP_CON_BIRA_OSCCLK,
diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index fdb84bcec912..e74552846ba3 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -28,7 +28,7 @@ struct samsung_clk_pll {
unsigned short lock_offs;
enum samsung_pll_type type;
unsigned int rate_count;
- const struct samsung_pll_rate_table *rate_table;
+ struct samsung_pll_rate_table rate_table[] __counted_by(rate_count);
};
#define to_clk_pll(_hw) container_of(_hw, struct samsung_clk_pll, hw)
@@ -1593,35 +1593,32 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
{
struct samsung_clk_pll *pll;
struct clk_init_data init;
- int ret, len;
+ unsigned int len = 0;
+ int ret;
- pll = kzalloc_obj(*pll);
+ if (pll_clk->rate_table) {
+ /* find count of rates in rate_table */
+ while (pll_clk->rate_table[len].rate != 0)
+ len++;
+ }
+
+ pll = kzalloc_flex(*pll, rate_table, len);
if (!pll) {
pr_err("%s: could not allocate pll clk %s\n",
__func__, pll_clk->name);
return;
}
+ pll->rate_count = len;
+ if (len)
+ memcpy(pll->rate_table, pll_clk->rate_table,
+ len * sizeof(*pll->rate_table));
+
init.name = pll_clk->name;
init.flags = pll_clk->flags;
init.parent_names = &pll_clk->parent_name;
init.num_parents = 1;
- if (pll_clk->rate_table) {
- /* find count of rates in rate_table */
- for (len = 0; pll_clk->rate_table[len].rate != 0; )
- len++;
-
- pll->rate_count = len;
- pll->rate_table = kmemdup_array(pll_clk->rate_table,
- pll->rate_count,
- sizeof(*pll->rate_table),
- GFP_KERNEL);
- WARN(!pll->rate_table,
- "%s: could not allocate rate table for %s\n",
- __func__, pll_clk->name);
- }
-
switch (pll_clk->type) {
case pll_2126:
init.ops = &samsung_pll2126_clk_ops;
@@ -1640,7 +1637,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_a9fracm:
pll->enable_offs = PLL35XX_ENABLE_SHIFT;
pll->lock_offs = PLL35XX_LOCK_STAT_SHIFT;
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll35xx_clk_min_ops;
else
init.ops = &samsung_pll35xx_clk_ops;
@@ -1659,7 +1656,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_0732x:
pll->enable_offs = PLL0822X_ENABLE_SHIFT;
pll->lock_offs = PLL0822X_LOCK_STAT_SHIFT;
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll0822x_clk_min_ops;
else
init.ops = &samsung_pll0822x_clk_ops;
@@ -1669,7 +1666,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
break;
case pll_4502:
case pll_4508:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll45xx_clk_min_ops;
else
init.ops = &samsung_pll45xx_clk_ops;
@@ -1679,7 +1676,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_2650:
pll->enable_offs = PLL36XX_ENABLE_SHIFT;
pll->lock_offs = PLL36XX_LOCK_STAT_SHIFT;
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll36xx_clk_min_ops;
else
init.ops = &samsung_pll36xx_clk_ops;
@@ -1687,7 +1684,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_0831x:
pll->enable_offs = PLL0831X_ENABLE_SHIFT;
pll->lock_offs = PLL0831X_LOCK_STAT_SHIFT;
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll0831x_clk_min_ops;
else
init.ops = &samsung_pll0831x_clk_ops;
@@ -1703,7 +1700,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_4650:
case pll_4650c:
case pll_1460x:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll46xx_clk_min_ops;
else
init.ops = &samsung_pll46xx_clk_ops;
@@ -1712,19 +1709,19 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
init.ops = &samsung_pll2550x_clk_ops;
break;
case pll_2550xx:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll2550xx_clk_min_ops;
else
init.ops = &samsung_pll2550xx_clk_ops;
break;
case pll_2650x:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll2650x_clk_min_ops;
else
init.ops = &samsung_pll2650x_clk_ops;
break;
case pll_2650xx:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll2650xx_clk_min_ops;
else
init.ops = &samsung_pll2650xx_clk_ops;
@@ -1734,7 +1731,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
init.ops = &samsung_pll531x_clk_ops;
break;
case pll_1031x:
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_pll1031x_clk_min_ops;
else
init.ops = &samsung_pll1031x_clk_ops;
@@ -1742,7 +1739,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
case pll_a9fraco:
pll->enable_offs = PLLA9FRACO_ENABLE_SHIFT;
pll->lock_offs = PLLA9FRACO_LOCK_STAT_SHIFT;
- if (!pll->rate_table)
+ if (!pll->rate_count)
init.ops = &samsung_a9fraco_clk_min_ops;
else
init.ops = &samsung_a9fraco_clk_ops;
@@ -1761,7 +1758,6 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
if (ret) {
pr_err("%s: failed to register pll clock %s : %d\n",
__func__, pll_clk->name, ret);
- kfree(pll->rate_table);
kfree(pll);
return;
}
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index 7f1bc3e31442..a3b251fb6fcb 100644
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c
@@ -429,21 +429,22 @@ void samsung_clk_extended_sleep_init(void __iomem *reg_base,
unsigned long nr_rsuspend)
{
struct samsung_clock_reg_cache *reg_cache;
+ int i;
- reg_cache = kzalloc_obj(struct samsung_clock_reg_cache);
+ reg_cache = kzalloc_flex(*reg_cache, rdump, nr_rdump);
if (!reg_cache)
panic("could not allocate register reg_cache.\n");
- reg_cache->rdump = samsung_clk_alloc_reg_dump(rdump, nr_rdump);
- if (!reg_cache->rdump)
- panic("could not allocate register dump storage.\n");
+ reg_cache->rd_num = nr_rdump;
+
+ for (i = 0; i < nr_rdump; ++i)
+ reg_cache->rdump[i].offset = rdump[i];
if (list_empty(&clock_reg_cache_list))
register_syscore(&samsung_clk_syscore);
reg_cache->reg_base = reg_base;
reg_cache->sysreg = sysreg;
- reg_cache->rd_num = nr_rdump;
reg_cache->rsuspend = rsuspend;
reg_cache->rsuspend_num = nr_rsuspend;
list_add_tail(&reg_cache->node, &clock_reg_cache_list);
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index b1192ca03db5..be733eba08a2 100644
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -324,10 +324,10 @@ struct samsung_clock_reg_cache {
struct list_head node;
void __iomem *reg_base;
struct regmap *sysreg;
- struct samsung_clk_reg_dump *rdump;
- unsigned int rd_num;
const struct samsung_clk_reg_dump *rsuspend;
unsigned int rsuspend_num;
+ unsigned int rd_num;
+ struct samsung_clk_reg_dump rdump[] __counted_by(rd_num);
};
/**
diff --git a/include/dt-bindings/clock/samsung,exynos990.h b/include/dt-bindings/clock/samsung,exynos990.h
index 47540307cb52..c06f591d9d90 100644
--- a/include/dt-bindings/clock/samsung,exynos990.h
+++ b/include/dt-bindings/clock/samsung,exynos990.h
@@ -434,5 +434,6 @@
#define CLK_GOUT_PERIS_TMU_TOP_PCLK 17
#define CLK_GOUT_PERIS_OTP_CON_BIRA_OSCCLK 18
#define CLK_GOUT_PERIS_OTP_CON_TOP_OSCCLK 19
+#define CLK_GOUT_PERIS_TMU_SUB_PCLK 20
#endif