clk: stm32f7: remove clock_get()
authorPatrice Chotard <patrice.chotard@st.com>
Tue, 18 Jul 2017 07:29:10 +0000 (09:29 +0200)
committerTom Rini <trini@konsulko.com>
Wed, 26 Jul 2017 15:28:08 +0000 (11:28 -0400)
All drivers which was using clock_get() are now using
clk_get_rate() from clock framework, now it's safe to
remove clock_get().

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Vikas MANOCHA <vikas.manocha@st.com>
arch/arm/include/asm/arch-stm32f7/stm32.h
drivers/clk/clk_stm32f7.c

index 12efee5d4805f84dac52b1f064f71c782beb0852..87aee6057b283aca37d73ce342ba5530522feac4 100644 (file)
@@ -57,11 +57,6 @@ static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
        [5 ... 7] =     256 * 1024
 };
 
-enum clock {
-       CLOCK_AHB,
-       CLOCK_APB1,
-       CLOCK_APB2
-};
 #define STM32_BUS_MASK         GENMASK(31, 16)
 
 struct stm32_rcc_regs {
@@ -108,7 +103,6 @@ struct stm32_pwr_regs {
 };
 #define STM32_PWR              ((struct stm32_pwr_regs *)PWR_BASE)
 
-unsigned long clock_get(enum clock clck);
 void stm32_flash_latency_cfg(int latency);
 
 #endif /* _ASM_ARCH_HARDWARE_H */
index 5bc650a7dd6dc25d0d130fe397bf726cf0791fc4..255a583c954586805a961e69caf16f6648124299 100644 (file)
@@ -171,54 +171,6 @@ static int configure_clocks(struct udevice *dev)
        return 0;
 }
 
-unsigned long clock_get(enum clock clck)
-{
-       u32 sysclk = 0;
-       u32 shift = 0;
-       /* Prescaler table lookups for clock computation */
-       u8 ahb_psc_table[16] = {
-               0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9
-       };
-       u8 apb_psc_table[8] = {
-               0, 0, 0, 0, 1, 2, 3, 4
-       };
-
-       if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) ==
-                       RCC_CFGR_SWS_PLL) {
-               u16 pllm, plln, pllp;
-               pllm = (readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLM_MASK);
-               plln = ((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLN_MASK)
-                       >> RCC_PLLCFGR_PLLN_SHIFT);
-               pllp = ((((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLP_MASK)
-                       >> RCC_PLLCFGR_PLLP_SHIFT) + 1) << 1);
-               sysclk = ((CONFIG_STM32_HSE_HZ / pllm) * plln) / pllp;
-       }
-
-       switch (clck) {
-       case CLOCK_AHB:
-               shift = ahb_psc_table[(
-                       (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)
-                       >> RCC_CFGR_HPRE_SHIFT)];
-               return sysclk >>= shift;
-               break;
-       case CLOCK_APB1:
-               shift = apb_psc_table[(
-                       (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK)
-                       >> RCC_CFGR_PPRE1_SHIFT)];
-               return sysclk >>= shift;
-               break;
-       case CLOCK_APB2:
-               shift = apb_psc_table[(
-                       (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK)
-                       >> RCC_CFGR_PPRE2_SHIFT)];
-               return sysclk >>= shift;
-               break;
-       default:
-               return 0;
-               break;
-       }
-}
-
 static unsigned long stm32_clk_get_rate(struct clk *clk)
 {
        struct stm32_clk *priv = dev_get_priv(clk->dev);