[ARM] omap: provide a NULL clock operations structure
... and use it for clocks which are ALWAYS_ENABLED. These clocks use a non-NULL enable_reg pointer for other purposes (such as selecting clock rates.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
committed by
Russell King
Russell King
parent
548d849574
commit
897dcded6f
@@ -619,9 +619,10 @@ static struct prcm_config rate_table[] = {
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/* Base external input clocks */
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static struct clk func_32k_ck = {
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.name = "func_32k_ck",
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.ops = &clkops_null,
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.rate = 32000,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
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RATE_FIXED | RATE_PROPAGATES,
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.clkdm_name = "wkup_clkdm",
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.recalc = &propagate_rate,
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};
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@@ -639,18 +640,20 @@ static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */
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/* Without modem likely 12MHz, with modem likely 13MHz */
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static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */
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.name = "sys_ck", /* ~ ref_clk also */
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.ops = &clkops_null,
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.parent = &osc_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | RATE_PROPAGATES,
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RATE_PROPAGATES,
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.clkdm_name = "wkup_clkdm",
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.recalc = &omap2_sys_clk_recalc,
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};
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static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */
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.name = "alt_ck",
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.ops = &clkops_null,
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.rate = 54000000,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
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RATE_FIXED | RATE_PROPAGATES,
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.clkdm_name = "wkup_clkdm",
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.recalc = &propagate_rate,
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};
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@@ -679,10 +682,11 @@ static struct dpll_data dpll_dd = {
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*/
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static struct clk dpll_ck = {
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.name = "dpll_ck",
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.ops = &clkops_null,
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.parent = &sys_ck, /* Can be func_32k also */
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.dpll_data = &dpll_dd,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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RATE_PROPAGATES | ALWAYS_ENABLED,
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RATE_PROPAGATES,
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.clkdm_name = "wkup_clkdm",
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.recalc = &omap2_dpllcore_recalc,
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.set_rate = &omap2_reprogram_dpllcore,
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@@ -751,9 +755,10 @@ static struct clk func_54m_ck = {
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static struct clk core_ck = {
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.name = "core_ck",
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.ops = &clkops_null,
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.parent = &dpll_ck, /* can also be 32k */
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | RATE_PROPAGATES,
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RATE_PROPAGATES,
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.clkdm_name = "wkup_clkdm",
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.recalc = &followparent_recalc,
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};
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@@ -837,6 +842,7 @@ static struct clk func_12m_ck = {
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/* Secure timer, only available in secure mode */
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static struct clk wdt1_osc_ck = {
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.name = "ck_wdt1_osc",
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.ops = &clkops_null, /* RMK: missing? */
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.parent = &osc_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
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.recalc = &followparent_recalc,
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@@ -996,9 +1002,10 @@ static const struct clksel mpu_clksel[] = {
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static struct clk mpu_ck = { /* Control cpu */
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.name = "mpu_ck",
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.ops = &clkops_null,
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.parent = &core_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | DELAYED_APP |
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DELAYED_APP |
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CONFIG_PARTICIPANT | RATE_PROPAGATES,
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.clkdm_name = "mpu_clkdm",
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.init = &omap2_init_clksel_parent,
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@@ -1168,9 +1175,10 @@ static const struct clksel core_l3_clksel[] = {
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static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */
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.name = "core_l3_ck",
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.ops = &clkops_null,
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.parent = &core_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | DELAYED_APP |
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DELAYED_APP |
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CONFIG_PARTICIPANT | RATE_PROPAGATES,
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.clkdm_name = "core_l3_clkdm",
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.clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
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@@ -1231,9 +1239,10 @@ static const struct clksel l4_clksel[] = {
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static struct clk l4_ck = { /* used both as an ick and fck */
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.name = "l4_ck",
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.ops = &clkops_null,
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.parent = &core_l3_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES,
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DELAYED_APP | RATE_PROPAGATES,
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.clkdm_name = "core_l4_clkdm",
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.clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
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.clksel_mask = OMAP24XX_CLKSEL_L4_MASK,
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@@ -2359,6 +2368,7 @@ static struct clk i2chs1_fck = {
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static struct clk gpmc_fck = {
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.name = "gpmc_fck",
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.ops = &clkops_null, /* RMK: missing? */
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.parent = &core_l3_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ENABLE_ON_INIT,
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@@ -2368,6 +2378,7 @@ static struct clk gpmc_fck = {
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static struct clk sdma_fck = {
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.name = "sdma_fck",
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.ops = &clkops_null, /* RMK: missing? */
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.parent = &core_l3_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
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.clkdm_name = "core_l3_clkdm",
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@@ -2376,6 +2387,7 @@ static struct clk sdma_fck = {
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static struct clk sdma_ick = {
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.name = "sdma_ick",
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.ops = &clkops_null, /* RMK: missing? */
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.parent = &l4_ck,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
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.clkdm_name = "core_l3_clkdm",
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@@ -2621,8 +2633,9 @@ static struct clk mmchsdb2_fck = {
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*/
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static struct clk virt_prcm_set = {
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.name = "virt_prcm_set",
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.ops = &clkops_null,
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.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
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ALWAYS_ENABLED | DELAYED_APP,
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DELAYED_APP,
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.parent = &mpu_ck, /* Indexed by mpu speed, no parent */
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.recalc = &omap2_table_mpu_recalc, /* sets are keyed on mpu rate */
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.set_rate = &omap2_select_table_rate,
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