]> git.sur5r.net Git - u-boot/commitdiff
usb: ehci-mx5: Remove unneeded write to cscmr1 register
authorFabio Estevam <fabio.estevam@freescale.com>
Fri, 26 Jul 2013 16:54:27 +0000 (13:54 -0300)
committerMarek Vasut <marex@denx.de>
Mon, 26 Aug 2013 19:56:34 +0000 (21:56 +0200)
Currently we have the following behavior in ehci_hcd_init()

- Read csmr1 register, clear bit 26 and then set bit 26.

However a little bit later we call set_usb_phy_clk() which clears bit 26, so
let's get rid of the unnecessary code.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
drivers/usb/host/ehci-mx5.c

index 3548620ecafc4d1c027aaeb6076945ae96a31ea5..a397d2409fd91816dc85db01ad47ccb8fc5263e6 100644 (file)
@@ -221,15 +221,6 @@ void __weak board_ehci_hcd_postinit(struct usb_ehci *ehci, int port)
 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
        struct usb_ehci *ehci;
-#ifdef CONFIG_MX53
-       struct clkctl *sc_regs = (struct clkctl *)CCM_BASE_ADDR;
-       u32 reg;
-
-       reg = __raw_readl(&sc_regs->cscmr1) & ~(1 << 26);
-       /* derive USB PHY clock multiplexer from PLL3 */
-       reg |= 1 << 26;
-       __raw_writel(reg, &sc_regs->cscmr1);
-#endif
 
        set_usboh3_clk();
        enable_usboh3_clk(1);