[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>

1 files changed, 22 insertions, 9 deletions

diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index 2aa0b5e65608..d4869377307a 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -619,9 +619,10 @@ static struct prcm_config rate_table[] = {
 /* Base external input clocks */
 static struct clk func_32k_ck = {
         .name           = "func_32k_ck",
+        .ops            = &clkops_null,
         .rate           = 32000,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+                                RATE_FIXED | RATE_PROPAGATES,
         .clkdm_name     = "wkup_clkdm",
         .recalc         = &propagate_rate,
 };
@@ -639,18 +640,20 @@ static struct clk osc_ck = {		/* (*12, *13, 19.2, *26, 38.4)MHz */
 /* Without modem likely 12MHz, with modem likely 13MHz */
 static struct clk sys_ck = {            /* (*12, *13, 19.2, 26, 38.4)MHz */
         .name           = "sys_ck",             /* ~ ref_clk also */
+        .ops            = &clkops_null,
         .parent         = &osc_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | RATE_PROPAGATES,
+                                RATE_PROPAGATES,
         .clkdm_name     = "wkup_clkdm",
         .recalc         = &omap2_sys_clk_recalc,
 };
 
 static struct clk alt_ck = {            /* Typical 54M or 48M, may not exist */
         .name           = "alt_ck",
+        .ops            = &clkops_null,
         .rate           = 54000000,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+                                RATE_FIXED | RATE_PROPAGATES,
         .clkdm_name     = "wkup_clkdm",
         .recalc         = &propagate_rate,
 };
@@ -679,10 +682,11 @@ static struct dpll_data dpll_dd = {
  */
 static struct clk dpll_ck = {
         .name           = "dpll_ck",
+        .ops            = &clkops_null,
         .parent         = &sys_ck,              /* Can be func_32k also */
         .dpll_data      = &dpll_dd,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                RATE_PROPAGATES | ALWAYS_ENABLED,
+                                RATE_PROPAGATES,
         .clkdm_name     = "wkup_clkdm",
         .recalc         = &omap2_dpllcore_recalc,
         .set_rate       = &omap2_reprogram_dpllcore,
@@ -751,9 +755,10 @@ static struct clk func_54m_ck = {
 
 static struct clk core_ck = {
         .name           = "core_ck",
+        .ops            = &clkops_null,
         .parent         = &dpll_ck,             /* can also be 32k */
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | RATE_PROPAGATES,
+                                RATE_PROPAGATES,
         .clkdm_name     = "wkup_clkdm",
         .recalc         = &followparent_recalc,
 };
@@ -837,6 +842,7 @@ static struct clk func_12m_ck = {
 /* Secure timer, only available in secure mode */
 static struct clk wdt1_osc_ck = {
         .name           = "ck_wdt1_osc",
+        .ops            = &clkops_null, /* RMK: missing? */
         .parent         = &osc_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
         .recalc         = &followparent_recalc,
@@ -996,9 +1002,10 @@ static const struct clksel mpu_clksel[] = {
 
 static struct clk mpu_ck = {    /* Control cpu */
         .name           = "mpu_ck",
+        .ops            = &clkops_null,
         .parent         = &core_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | DELAYED_APP |
+                                DELAYED_APP |
                                 CONFIG_PARTICIPANT | RATE_PROPAGATES,
         .clkdm_name     = "mpu_clkdm",
         .init           = &omap2_init_clksel_parent,
@@ -1168,9 +1175,10 @@ static const struct clksel core_l3_clksel[] = {
 
 static struct clk core_l3_ck = {        /* Used for ick and fck, interconnect */
         .name           = "core_l3_ck",
+        .ops            = &clkops_null,
         .parent         = &core_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | DELAYED_APP |
+                                DELAYED_APP |
                                 CONFIG_PARTICIPANT | RATE_PROPAGATES,
         .clkdm_name     = "core_l3_clkdm",
         .clksel_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
@@ -1231,9 +1239,10 @@ static const struct clksel l4_clksel[] = {
 
 static struct clk l4_ck = {             /* used both as an ick and fck */
         .name           = "l4_ck",
+        .ops            = &clkops_null,
         .parent         = &core_l3_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES,
+                                DELAYED_APP | RATE_PROPAGATES,
         .clkdm_name     = "core_l4_clkdm",
         .clksel_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
         .clksel_mask    = OMAP24XX_CLKSEL_L4_MASK,
@@ -2359,6 +2368,7 @@ static struct clk i2chs1_fck = {
 
 static struct clk gpmc_fck = {
         .name           = "gpmc_fck",
+        .ops            = &clkops_null, /* RMK: missing? */
         .parent         = &core_l3_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
                                 ENABLE_ON_INIT,
@@ -2368,6 +2378,7 @@ static struct clk gpmc_fck = {
 
 static struct clk sdma_fck = {
         .name           = "sdma_fck",
+        .ops            = &clkops_null, /* RMK: missing? */
         .parent         = &core_l3_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
         .clkdm_name     = "core_l3_clkdm",
@@ -2376,6 +2387,7 @@ static struct clk sdma_fck = {
 
 static struct clk sdma_ick = {
         .name           = "sdma_ick",
+        .ops            = &clkops_null, /* RMK: missing? */
         .parent         = &l4_ck,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
         .clkdm_name     = "core_l3_clkdm",
@@ -2621,8 +2633,9 @@ static struct clk mmchsdb2_fck = {
  */
 static struct clk virt_prcm_set = {
         .name           = "virt_prcm_set",
+        .ops            = &clkops_null,
         .flags          = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-                                ALWAYS_ENABLED | DELAYED_APP,
+                                DELAYED_APP,
         .parent         = &mpu_ck,      /* Indexed by mpu speed, no parent */
         .recalc         = &omap2_table_mpu_recalc,      /* sets are keyed on mpu rate */
         .set_rate       = &omap2_select_table_rate,