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USB: ohci-at91: use pcr to enable or disable clock

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If the SoC has pcr, we use pcr (peripheral control register)
to enable or disable clock.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
This commit is contained in:
Bo Shen 2014-08-06 17:24:56 +08:00 committed by Andreas Bießmann
parent abe307ddb8
commit 01c8bf5a6f
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/host/ohci-at91.c
View file

@ -38,8 +38,8 @@ int usb_cpu_init(void)
#endif
/* Enable USB host clock. */
#ifdef CONFIG_SAMA5D3
writel(1 << (ATMEL_ID_UHP - 32), &pmc->pcer1);
#ifdef CPU_HAS_PCR
at91_periph_clk_enable(ATMEL_ID_UHP);
#else
writel(1 << ATMEL_ID_UHP, &pmc->pcer);
#endif
@ -58,8 +58,8 @@ int usb_cpu_stop(void)
at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
/* Disable USB host clock. */
#ifdef CONFIG_SAMA5D3
writel(1 << (ATMEL_ID_UHP - 32), &pmc->pcdr1);
#ifdef CPU_HAS_PCR
at91_periph_clk_disable(ATMEL_ID_UHP);
#else
writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
#endif