From: Bo Shen <voice.shen@atmel.com>
Date: Wed, 6 Aug 2014 09:24:56 +0000 (+0800)
Subject: USB: ohci-at91: use pcr to enable or disable clock
X-Git-Tag: v2014.10-rc3~71
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=01c8bf5a6faf3173f130ca58ecc8656bc71adc5a;p=platform%2Fkernel%2Fu-boot.git

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 c24505e..820e2e5 100644
--- 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. */
-#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