bcma: unify naming schema for clock functions

Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 29 insertions, 26 deletions

diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
index bcb830ec4bb4..537ae53231cd 100644
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -48,8 +48,8 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
 #endif /* CONFIG_BCMA_DRIVER_MIPS */
 
 /* driver_chipcommon_pmu.c */
-u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc);
-u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc);
+u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
+u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
 
 #ifdef CONFIG_BCMA_SFLASH
 /* driver_chipcommon_sflash.c */
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
index d017f2512275..dc96dd8ebff2 100644
--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -25,10 +25,10 @@ static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
         return value;
 }
 
-static u32 bcma_chipco_alp_clock(struct bcma_drv_cc *cc)
+static u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc)
 {
         if (cc->capabilities & BCMA_CC_CAP_PMU)
-                return bcma_pmu_alp_clock(cc);
+                return bcma_pmu_get_alp_clock(cc);
 
         return 20000000;
 }
@@ -79,12 +79,12 @@ static int bcma_chipco_watchdog_ticks_per_ms(struct bcma_drv_cc *cc)
         if (cc->capabilities & BCMA_CC_CAP_PMU) {
                 if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
                         /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP clock */
-                        return bcma_chipco_alp_clock(cc) / 4000;
+                        return bcma_chipco_get_alp_clock(cc) / 4000;
                 else
                         /* based on 32KHz ILP clock */
                         return 32;
         } else {
-                return bcma_chipco_alp_clock(cc) / 1000;
+                return bcma_chipco_get_alp_clock(cc) / 1000;
         }
 }
 
@@ -236,7 +236,7 @@ void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
         struct bcma_serial_port *ports = cc->serial_ports;
 
         if (ccrev >= 11 && ccrev != 15) {
-                baud_base = bcma_chipco_alp_clock(cc);
+                baud_base = bcma_chipco_get_alp_clock(cc);
                 if (ccrev >= 21) {
                         /* Turn off UART clock before switching clocksource. */
                         bcma_cc_write32(cc, BCMA_CC_CORECTL,
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index a63ddd9c70eb..e162999bf916 100644
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -168,7 +168,7 @@ void bcma_pmu_init(struct bcma_drv_cc *cc)
         bcma_pmu_workarounds(cc);
 }
 
-u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc)
+u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
 {
         struct bcma_bus *bus = cc->core->bus;
 
@@ -196,7 +196,7 @@ u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc)
 /* Find the output of the "m" pll divider given pll controls that start with
  * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
  */
-static u32 bcma_pmu_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
+static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
 {
         u32 tmp, div, ndiv, p1, p2, fc;
         struct bcma_bus *bus = cc->core->bus;
@@ -225,14 +225,14 @@ static u32 bcma_pmu_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
         ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
 
         /* Do calculation in Mhz */
-        fc = bcma_pmu_alp_clock(cc) / 1000000;
+        fc = bcma_pmu_get_alp_clock(cc) / 1000000;
         fc = (p1 * ndiv * fc) / p2;
 
         /* Return clock in Hertz */
         return (fc / div) * 1000000;
 }
 
-static u32 bcma_pmu_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
+static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
 {
         u32 tmp, ndiv, p1div, p2div;
         u32 clock;
@@ -263,7 +263,7 @@ static u32 bcma_pmu_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
 }
 
 /* query bus clock frequency for PMU-enabled chipcommon */
-static u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
+static u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
 {
         struct bcma_bus *bus = cc->core->bus;
 
@@ -271,40 +271,42 @@ static u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
         case BCMA_CHIP_ID_BCM4716:
         case BCMA_CHIP_ID_BCM4748:
         case BCMA_CHIP_ID_BCM47162:
-                return bcma_pmu_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
-                                      BCMA_CC_PMU5_MAINPLL_SSB);
+                return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
+                                          BCMA_CC_PMU5_MAINPLL_SSB);
         case BCMA_CHIP_ID_BCM5356:
-                return bcma_pmu_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
-                                      BCMA_CC_PMU5_MAINPLL_SSB);
+                return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
+                                          BCMA_CC_PMU5_MAINPLL_SSB);
         case BCMA_CHIP_ID_BCM5357:
         case BCMA_CHIP_ID_BCM4749:
-                return bcma_pmu_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
-                                      BCMA_CC_PMU5_MAINPLL_SSB);
+                return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
+                                          BCMA_CC_PMU5_MAINPLL_SSB);
         case BCMA_CHIP_ID_BCM4706:
-                return bcma_pmu_clock_bcm4706(cc, BCMA_CC_PMU4706_MAINPLL_PLL0,
-                                              BCMA_CC_PMU5_MAINPLL_SSB);
+                return bcma_pmu_pll_clock_bcm4706(cc,
+                                                  BCMA_CC_PMU4706_MAINPLL_PLL0,
+                                                  BCMA_CC_PMU5_MAINPLL_SSB);
         case BCMA_CHIP_ID_BCM53572:
                 return 75000000;
         default:
-                bcma_warn(bus, "No backplane clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
+                bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
                           bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
         }
         return BCMA_CC_PMU_HT_CLOCK;
 }
 
 /* query cpu clock frequency for PMU-enabled chipcommon */
-u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc)
+u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
 {
         struct bcma_bus *bus = cc->core->bus;
 
         if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
                 return 300000000;
 
+        /* New PMUs can have different clock for bus and CPU */
         if (cc->pmu.rev >= 5) {
                 u32 pll;
                 switch (bus->chipinfo.id) {
                 case BCMA_CHIP_ID_BCM4706:
-                        return bcma_pmu_clock_bcm4706(cc,
+                        return bcma_pmu_pll_clock_bcm4706(cc,
                                                 BCMA_CC_PMU4706_MAINPLL_PLL0,
                                                 BCMA_CC_PMU5_MAINPLL_CPU);
                 case BCMA_CHIP_ID_BCM5356:
@@ -319,10 +321,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc)
                         break;
                 }
 
-                return bcma_pmu_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
+                return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
         }
 
-        return bcma_pmu_get_clockcontrol(cc);
+        /* On old PMUs CPU has the same clock as the bus */
+        return bcma_pmu_get_bus_clock(cc);
 }
 
 static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
index 170822ea51c7..c45ded8a6963 100644
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -171,7 +171,7 @@ u32 bcma_cpu_clock(struct bcma_drv_mips *mcore)
         struct bcma_bus *bus = mcore->core->bus;
 
         if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU)
-                return bcma_pmu_get_clockcpu(&bus->drv_cc);
+                return bcma_pmu_get_cpu_clock(&bus->drv_cc);
 
         bcma_err(bus, "No PMU available, need this to get the cpu clock\n");
         return 0;