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-rw-r--r--drivers/clk/renesas/clk-div6.c2
-rw-r--r--drivers/clk/renesas/clk-mstp.c4
-rw-r--r--drivers/clk/renesas/r7s9210-cpg-mssr.c9
-rw-r--r--drivers/clk/renesas/r8a774a1-cpg-mssr.c1
-rw-r--r--drivers/clk/renesas/r8a7795-cpg-mssr.c1
-rw-r--r--drivers/clk/renesas/r8a7796-cpg-mssr.c1
-rw-r--r--drivers/clk/renesas/r8a77965-cpg-mssr.c1
-rw-r--r--drivers/clk/renesas/r8a77970-cpg-mssr.c5
-rw-r--r--drivers/clk/renesas/r8a77990-cpg-mssr.c4
-rw-r--r--drivers/clk/renesas/r8a77995-cpg-mssr.c15
-rw-r--r--drivers/clk/renesas/r9a06g032-clocks.c8
-rw-r--r--drivers/clk/renesas/rcar-gen3-cpg.c57
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c2
13 files changed, 67 insertions, 43 deletions
diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c
index 57c934164306..e98a9f5b3c90 100644
--- a/drivers/clk/renesas/clk-div6.c
+++ b/drivers/clk/renesas/clk-div6.c
@@ -274,7 +274,7 @@ struct clk * __init cpg_div6_register(const char *name,
/* Register the clock. */
init.name = name;
init.ops = &cpg_div6_clock_ops;
- init.flags = CLK_IS_BASIC;
+ init.flags = 0;
init.parent_names = parent_names;
init.num_parents = valid_parents;
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index 1c1768c2cc82..92ece221b0d4 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -158,7 +158,7 @@ static struct clk * __init cpg_mstp_clock_register(const char *name,
init.name = name;
init.ops = &cpg_mstp_clock_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
/* INTC-SYS is the module clock of the GIC, and must not be disabled */
if (!strcmp(name, "intc-sys")) {
pr_debug("MSTP %s setting CLK_IS_CRITICAL\n", name);
@@ -280,7 +280,7 @@ int cpg_mstp_attach_dev(struct generic_pm_domain *unused, struct device *dev)
goto found;
/* BSC on r8a73a4/sh73a0 uses zb_clk instead of an mstp clock */
- if (!strcmp(clkspec.np->name, "zb_clk"))
+ if (of_node_name_eq(clkspec.np, "zb_clk"))
goto found;
of_node_put(clkspec.np);
diff --git a/drivers/clk/renesas/r7s9210-cpg-mssr.c b/drivers/clk/renesas/r7s9210-cpg-mssr.c
index 5135f13ec628..57c49fe88295 100644
--- a/drivers/clk/renesas/r7s9210-cpg-mssr.c
+++ b/drivers/clk/renesas/r7s9210-cpg-mssr.c
@@ -87,6 +87,8 @@ static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = {
DEF_MOD_STB("scif1", 46, R7S9210_CLK_P1C),
DEF_MOD_STB("scif0", 47, R7S9210_CLK_P1C),
+ DEF_MOD_STB("usb1", 60, R7S9210_CLK_B),
+ DEF_MOD_STB("usb0", 61, R7S9210_CLK_B),
DEF_MOD_STB("ether1", 64, R7S9210_CLK_B),
DEF_MOD_STB("ether0", 65, R7S9210_CLK_B),
@@ -98,6 +100,11 @@ static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = {
DEF_MOD_STB("spi2", 95, R7S9210_CLK_P1),
DEF_MOD_STB("spi1", 96, R7S9210_CLK_P1),
DEF_MOD_STB("spi0", 97, R7S9210_CLK_P1),
+
+ DEF_MOD_STB("sdhi11", 100, R7S9210_CLK_B),
+ DEF_MOD_STB("sdhi10", 101, R7S9210_CLK_B),
+ DEF_MOD_STB("sdhi01", 102, R7S9210_CLK_B),
+ DEF_MOD_STB("sdhi00", 103, R7S9210_CLK_B),
};
/* The clock dividers in the table vary based on DT and register settings */
@@ -148,7 +155,7 @@ static void __init r7s9210_update_clk_table(struct clk *extal_clk,
}
}
-struct clk * __init rza2_cpg_clk_register(struct device *dev,
+static struct clk * __init rza2_cpg_clk_register(struct device *dev,
const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
struct clk **clks, void __iomem *base,
struct raw_notifier_head *notifiers)
diff --git a/drivers/clk/renesas/r8a774a1-cpg-mssr.c b/drivers/clk/renesas/r8a774a1-cpg-mssr.c
index b0da34217bdf..10e852518870 100644
--- a/drivers/clk/renesas/r8a774a1-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a774a1-cpg-mssr.c
@@ -100,6 +100,7 @@ static const struct cpg_core_clk r8a774a1_core_clks[] __initconst = {
DEF_FIXED("cl", R8A774A1_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A774A1_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A774A1_CLK_CPEX, CLK_EXTAL, 2, 1),
DEF_DIV6P1("csi0", R8A774A1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
DEF_DIV6P1("mso", R8A774A1_CLK_MSO, CLK_PLL1_DIV4, 0x014),
diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index 119c02440726..86842c9fd314 100644
--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -104,6 +104,7 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = {
DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cr", R8A7795_CLK_CR, CLK_PLL1_DIV4, 2, 1),
DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A7795_CLK_CPEX, CLK_EXTAL, 2, 1),
DEF_DIV6P1("canfd", R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
DEF_DIV6P1("csi0", R8A7795_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c
index 10567386e6dd..12c455859f2c 100644
--- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
@@ -103,6 +103,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = {
DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A7796_CLK_CPEX, CLK_EXTAL, 2, 1),
DEF_DIV6P1("canfd", R8A7796_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
DEF_DIV6P1("csi0", R8A7796_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c
index 1fcc411502da..eb1cca58a1e1 100644
--- a/drivers/clk/renesas/r8a77965-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c
@@ -100,6 +100,7 @@ static const struct cpg_core_clk r8a77965_core_clks[] __initconst = {
DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A77965_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77965_CLK_CPEX, CLK_EXTAL, 2, 1),
DEF_DIV6P1("canfd", R8A77965_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
DEF_DIV6P1("csi0", R8A77965_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
diff --git a/drivers/clk/renesas/r8a77970-cpg-mssr.c b/drivers/clk/renesas/r8a77970-cpg-mssr.c
index 2015e45543e9..cbed3769a100 100644
--- a/drivers/clk/renesas/r8a77970-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77970-cpg-mssr.c
@@ -91,8 +91,12 @@ static const struct cpg_core_clk r8a77970_core_clks[] __initconst = {
CLK_PLL1_DIV2),
DEF_BASE("sd0", R8A77970_CLK_SD0, CLK_TYPE_R8A77970_SD0, CLK_PLL1_DIV2),
+ DEF_FIXED("rpc", R8A77970_CLK_RPC, CLK_PLL1_DIV2, 5, 1),
+ DEF_FIXED("rpcd2", R8A77970_CLK_RPCD2, CLK_PLL1_DIV2, 10, 1),
+
DEF_FIXED("cl", R8A77970_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A77970_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77970_CLK_CPEX, CLK_EXTAL, 2, 1),
DEF_DIV6P1("canfd", R8A77970_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
DEF_DIV6P1("mso", R8A77970_CLK_MSO, CLK_PLL1_DIV4, 0x014),
@@ -152,6 +156,7 @@ static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = {
DEF_MOD("gpio1", 911, R8A77970_CLK_CP),
DEF_MOD("gpio0", 912, R8A77970_CLK_CP),
DEF_MOD("can-fd", 914, R8A77970_CLK_S2D2),
+ DEF_MOD("rpc-if", 917, R8A77970_CLK_RPC),
DEF_MOD("i2c4", 927, R8A77970_CLK_S2D2),
DEF_MOD("i2c3", 928, R8A77970_CLK_S2D2),
DEF_MOD("i2c2", 929, R8A77970_CLK_S2D2),
diff --git a/drivers/clk/renesas/r8a77990-cpg-mssr.c b/drivers/clk/renesas/r8a77990-cpg-mssr.c
index 9eb80180eea0..9a278c75c918 100644
--- a/drivers/clk/renesas/r8a77990-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c
@@ -183,8 +183,8 @@ static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = {
DEF_MOD("ehci0", 703, R8A77990_CLK_S3D4),
DEF_MOD("hsusb", 704, R8A77990_CLK_S3D4),
DEF_MOD("csi40", 716, R8A77990_CLK_CSI0),
- DEF_MOD("du1", 723, R8A77990_CLK_S2D1),
- DEF_MOD("du0", 724, R8A77990_CLK_S2D1),
+ DEF_MOD("du1", 723, R8A77990_CLK_S1D1),
+ DEF_MOD("du0", 724, R8A77990_CLK_S1D1),
DEF_MOD("lvds", 727, R8A77990_CLK_S2D1),
DEF_MOD("vin5", 806, R8A77990_CLK_S1D2),
diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c
index 47e60e3dbe05..eee3874865a9 100644
--- a/drivers/clk/renesas/r8a77995-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c
@@ -22,7 +22,7 @@
enum clk_ids {
/* Core Clock Outputs exported to DT */
- LAST_DT_CORE_CLK = R8A77995_CLK_CP,
+ LAST_DT_CORE_CLK = R8A77995_CLK_CPEX,
/* External Input Clocks */
CLK_EXTAL,
@@ -42,7 +42,6 @@ enum clk_ids {
CLK_S2,
CLK_S3,
CLK_SDSRC,
- CLK_SSPSRC,
CLK_RINT,
CLK_OCO,
@@ -93,6 +92,7 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = {
DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1),
DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77995_CLK_CPEX, CLK_EXTAL, 4, 1),
DEF_DIV6_RO("osc", R8A77995_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8),
@@ -146,12 +146,9 @@ static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = {
DEF_MOD("vspbs", 627, R8A77995_CLK_S0D1),
DEF_MOD("ehci0", 703, R8A77995_CLK_S3D2),
DEF_MOD("hsusb", 704, R8A77995_CLK_S3D2),
- DEF_MOD("du1", 723, R8A77995_CLK_S2D1),
- DEF_MOD("du0", 724, R8A77995_CLK_S2D1),
+ DEF_MOD("du1", 723, R8A77995_CLK_S1D1),
+ DEF_MOD("du0", 724, R8A77995_CLK_S1D1),
DEF_MOD("lvds", 727, R8A77995_CLK_S2D1),
- DEF_MOD("vin7", 804, R8A77995_CLK_S1D2),
- DEF_MOD("vin6", 805, R8A77995_CLK_S1D2),
- DEF_MOD("vin5", 806, R8A77995_CLK_S1D2),
DEF_MOD("vin4", 807, R8A77995_CLK_S1D2),
DEF_MOD("etheravb", 812, R8A77995_CLK_S3D2),
DEF_MOD("imr0", 823, R8A77995_CLK_S1D2),
@@ -194,14 +191,14 @@ static const unsigned int r8a77995_crit_mod_clks[] __initconst = {
* MD19 EXTAL (MHz) PLL0 PLL1 PLL3
*--------------------------------------------------------------------
* 0 48 x 1 x250/4 x100/3 x100/3
- * 1 48 x 1 x250/4 x100/3 x116/6
+ * 1 48 x 1 x250/4 x100/3 x58/3
*/
#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19)
static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = {
/* EXTAL div PLL1 mult/div PLL3 mult/div */
{ 1, 100, 3, 100, 3, },
- { 1, 100, 3, 116, 6, },
+ { 1, 100, 3, 58, 3, },
};
static int __init r8a77995_cpg_mssr_init(struct device *dev)
diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c
index 6d2b56891559..658cb11b6f55 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -424,7 +424,7 @@ r9a06g032_register_gate(struct r9a06g032_priv *clocks,
init.name = desc->name;
init.ops = &r9a06g032_clk_gate_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
@@ -595,7 +595,7 @@ r9a06g032_register_div(struct r9a06g032_priv *clocks,
init.name = desc->name;
init.ops = &r9a06g032_clk_div_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
@@ -683,7 +683,7 @@ r9a06g032_register_bitsel(struct r9a06g032_priv *clocks,
init.name = desc->name;
init.ops = &clk_bitselect_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
init.parent_names = names;
init.num_parents = 2;
@@ -777,7 +777,7 @@ r9a06g032_register_dualgate(struct r9a06g032_priv *clocks,
init.name = desc->name;
init.ops = &r9a06g032_clk_dualgate_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
init.parent_names = &parent_name;
init.num_parents = 1;
g->hw.init = &init;
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c
index 4ba38f98cc7b..be2ccbd6d623 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.c
+++ b/drivers/clk/renesas/rcar-gen3-cpg.c
@@ -232,16 +232,20 @@ struct sd_clock {
* sd_srcfc sd_fc div
* stp_hck stp_ck (div) (div) = sd_srcfc x sd_fc
*-------------------------------------------------------------------
- * 0 0 0 (1) 1 (4) 4
- * 0 0 1 (2) 1 (4) 8
- * 1 0 2 (4) 1 (4) 16
- * 1 0 3 (8) 1 (4) 32
+ * 0 0 0 (1) 1 (4) 4 : SDR104 / HS200 / HS400 (8 TAP)
+ * 0 0 1 (2) 1 (4) 8 : SDR50
+ * 1 0 2 (4) 1 (4) 16 : HS / SDR25
+ * 1 0 3 (8) 1 (4) 32 : NS / SDR12
* 1 0 4 (16) 1 (4) 64
* 0 0 0 (1) 0 (2) 2
- * 0 0 1 (2) 0 (2) 4
+ * 0 0 1 (2) 0 (2) 4 : SDR104 / HS200 / HS400 (4 TAP)
* 1 0 2 (4) 0 (2) 8
* 1 0 3 (8) 0 (2) 16
* 1 0 4 (16) 0 (2) 32
+ *
+ * NOTE: There is a quirk option to ignore the first row of the dividers
+ * table when searching for suitable settings. This is because HS400 on
+ * early ES versions of H3 and M3-W requires a specific setting to work.
*/
static const struct sd_div_table cpg_sd_div_table[] = {
/* CPG_SD_DIV_TABLE_DATA(stp_hck, stp_ck, sd_srcfc, sd_fc, sd_div) */
@@ -352,6 +356,12 @@ static const struct clk_ops cpg_sd_clock_ops = {
.set_rate = cpg_sd_clock_set_rate,
};
+static u32 cpg_quirks __initdata;
+
+#define PLL_ERRATA BIT(0) /* Missing PLL0/2/4 post-divider */
+#define RCKCR_CKSEL BIT(1) /* Manual RCLK parent selection */
+#define SD_SKIP_FIRST BIT(2) /* Skip first clock in SD table */
+
static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
void __iomem *base, const char *parent_name,
struct raw_notifier_head *notifiers)
@@ -360,7 +370,7 @@ static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
struct sd_clock *clock;
struct clk *clk;
unsigned int i;
- u32 sd_fc;
+ u32 val;
clock = kzalloc(sizeof(*clock), GFP_KERNEL);
if (!clock)
@@ -368,7 +378,7 @@ static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
init.name = core->name;
init.ops = &cpg_sd_clock_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
init.parent_names = &parent_name;
init.num_parents = 1;
@@ -377,17 +387,14 @@ static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
clock->div_table = cpg_sd_div_table;
clock->div_num = ARRAY_SIZE(cpg_sd_div_table);
- sd_fc = readl(clock->csn.reg) & CPG_SD_FC_MASK;
- for (i = 0; i < clock->div_num; i++)
- if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
- break;
-
- if (WARN_ON(i >= clock->div_num)) {
- kfree(clock);
- return ERR_PTR(-EINVAL);
+ if (cpg_quirks & SD_SKIP_FIRST) {
+ clock->div_table++;
+ clock->div_num--;
}
- clock->cur_div_idx = i;
+ val = readl(clock->csn.reg) & ~CPG_SD_FC_MASK;
+ val |= CPG_SD_STP_MASK | (clock->div_table[0].val & CPG_SD_FC_MASK);
+ writel(val, clock->csn.reg);
clock->div_max = clock->div_table[0].div;
clock->div_min = clock->div_max;
@@ -412,23 +419,27 @@ free_clock:
static const struct rcar_gen3_cpg_pll_config *cpg_pll_config __initdata;
static unsigned int cpg_clk_extalr __initdata;
static u32 cpg_mode __initdata;
-static u32 cpg_quirks __initdata;
-
-#define PLL_ERRATA BIT(0) /* Missing PLL0/2/4 post-divider */
-#define RCKCR_CKSEL BIT(1) /* Manual RCLK parent selection */
static const struct soc_device_attribute cpg_quirks_match[] __initconst = {
{
.soc_id = "r8a7795", .revision = "ES1.0",
- .data = (void *)(PLL_ERRATA | RCKCR_CKSEL),
+ .data = (void *)(PLL_ERRATA | RCKCR_CKSEL | SD_SKIP_FIRST),
},
{
.soc_id = "r8a7795", .revision = "ES1.*",
- .data = (void *)RCKCR_CKSEL,
+ .data = (void *)(RCKCR_CKSEL | SD_SKIP_FIRST),
+ },
+ {
+ .soc_id = "r8a7795", .revision = "ES2.0",
+ .data = (void *)SD_SKIP_FIRST,
},
{
.soc_id = "r8a7796", .revision = "ES1.0",
- .data = (void *)RCKCR_CKSEL,
+ .data = (void *)(RCKCR_CKSEL | SD_SKIP_FIRST),
+ },
+ {
+ .soc_id = "r8a7796", .revision = "ES1.1",
+ .data = (void *)SD_SKIP_FIRST,
},
{ /* sentinel */ }
};
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index f7bb817420b4..30df0dc853f0 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -412,7 +412,7 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod,
init.name = mod->name;
init.ops = &cpg_mstp_clock_ops;
- init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_PARENT;
for (i = 0; i < info->num_crit_mod_clks; i++)
if (id == info->crit_mod_clks[i]) {
dev_dbg(dev, "MSTP %s setting CLK_IS_CRITICAL\n",
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