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Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod_44xx_data.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 9e0576569e07..eaba9dc91a0d 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2714,16 +2714,22 @@ static struct omap_ocp2scp_dev ocp2scp_dev_attr[] = {
{ }
};
-static struct omap_hwmod_opt_clk ocp2scp_usb_phy_opt_clks[] = {
- { .role = "48mhz", .clk = "ocp2scp_usb_phy_phy_48m" },
-};
-
/* ocp2scp_usb_phy */
static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
.name = "ocp2scp_usb_phy",
.class = &omap44xx_ocp2scp_hwmod_class,
.clkdm_name = "l3_init_clkdm",
- .main_clk = "func_48m_fclk",
+ /*
+ * ocp2scp_usb_phy_phy_48m is provided by the OMAP4 PRCM IP
+ * block as an "optional clock," and normally should never be
+ * specified as the main_clk for an OMAP IP block. However it
+ * turns out that this clock is actually the main clock for
+ * the ocp2scp_usb_phy IP block:
+ * http://lists.infradead.org/pipermail/linux-arm-kernel/2012-September/119943.html
+ * So listing ocp2scp_usb_phy_phy_48m as a main_clk here seems
+ * to be the best workaround.
+ */
+ .main_clk = "ocp2scp_usb_phy_phy_48m",
.prcm = {
.omap4 = {
.clkctrl_offs = OMAP4_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL_OFFSET,
@@ -2732,8 +2738,6 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
},
},
.dev_attr = ocp2scp_dev_attr,
- .opt_clks = ocp2scp_usb_phy_opt_clks,
- .opt_clks_cnt = ARRAY_SIZE(ocp2scp_usb_phy_opt_clks),
};
/*