ARM64: zynqmp: Remove get_uart_clk()

ZynqMP will use reading clock freq directly from DT.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/cpu/armv8/zynqmp/clk.c

@@ -12,22 +12,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-unsigned long get_uart_clk(int dev_id)
-{
-	u32 ver = zynqmp_get_silicon_version();
-
-	switch (ver) {
-	case ZYNQMP_CSU_VERSION_VELOCE:
-		return 48000;
-	case ZYNQMP_CSU_VERSION_EP108:
-		return 25000000;
-	case ZYNQMP_CSU_VERSION_QEMU:
-		return 133000000;
-	}
-
-	return 100000000;
-}
-
 unsigned long zynqmp_get_system_timer_freq(void)
 {
 	u32 ver = zynqmp_get_silicon_version();

arch/arm/include/asm/arch-zynqmp/clk.h

@@ -8,7 +8,6 @@
 #ifndef _ASM_ARCH_CLK_H_
 #define _ASM_ARCH_CLK_H_
 
-unsigned long get_uart_clk(int dev_id);
 unsigned long zynqmp_get_system_timer_freq(void);
 
 #endif /* _ASM_ARCH_CLK_H_ */