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

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>

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index c24505e78eaa29eb60ab63c14b671b0d60bb5cd9..820e2e56ef426678177412bd1b798741c599e68a 100644 (file)
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -38,8 +38,8 @@ int usb_cpu_init(void)
 #endif
 
        /* Enable USB host clock. */
 #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
 #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. */
        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
 #else
        writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
 #endif