Due to introducing the new PLLB clock handle functions,
use these functions to clean up the PLLB enable code.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
Tested-by: Heiko Schocher <hs@denx.de>
 
 void at91_udp_hw_init(void)
 {
-       at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-
        /* Enable PLLB */
-       writel(get_pllb_init(), &pmc->pllbr);
-       while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
-               ;
+       at91_pllb_clk_enable(get_pllb_init());
 
        /* Enable UDPCK clock, MCK is enabled in at91_clock_init() */
        at91_periph_clk_enable(ATMEL_ID_UDP);
 
 
 void at91_udp_hw_init(void)
 {
-       at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-
        /* Enable PLLB */
-       writel(get_pllb_init(), &pmc->pllbr);
-       while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
-               ;
+       at91_pllb_clk_enable(get_pllb_init());
 
        /* Enable UDPCK clock, MCK is enabled in at91_clock_init() */
        at91_periph_clk_enable(ATMEL_ID_UDP);