USB: ehci-tegra: add clk_prepare/clk_unprepare
Use clk_prepare/clk_unprepare as required by the generic clk framework.
Cc: stern@rowland.harvard.edu
Cc: gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 6854823..ab8a3bf 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -46,8 +46,8 @@
{
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
- clk_enable(tegra->emc_clk);
- clk_enable(tegra->clk);
+ clk_prepare_enable(tegra->emc_clk);
+ clk_prepare_enable(tegra->clk);
tegra_usb_phy_power_on(tegra->phy);
tegra->host_resumed = 1;
}
@@ -58,8 +58,8 @@
tegra->host_resumed = 0;
tegra_usb_phy_power_off(tegra->phy);
- clk_disable(tegra->clk);
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->clk);
+ clk_disable_unprepare(tegra->emc_clk);
}
static int tegra_ehci_internal_port_reset(
@@ -671,7 +671,7 @@
goto fail_clk;
}
- err = clk_enable(tegra->clk);
+ err = clk_prepare_enable(tegra->clk);
if (err)
goto fail_clken;
@@ -682,7 +682,7 @@
goto fail_emc_clk;
}
- clk_enable(tegra->emc_clk);
+ clk_prepare_enable(tegra->emc_clk);
clk_set_rate(tegra->emc_clk, 400000000);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -782,10 +782,10 @@
fail_phy:
iounmap(hcd->regs);
fail_io:
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->emc_clk);
clk_put(tegra->emc_clk);
fail_emc_clk:
- clk_disable(tegra->clk);
+ clk_disable_unprepare(tegra->clk);
fail_clken:
clk_put(tegra->clk);
fail_clk:
@@ -820,10 +820,10 @@
tegra_usb_phy_close(tegra->phy);
iounmap(hcd->regs);
- clk_disable(tegra->clk);
+ clk_disable_unprepare(tegra->clk);
clk_put(tegra->clk);
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->emc_clk);
clk_put(tegra->emc_clk);
kfree(tegra);