On 3/17/2016 5:26 AM, David Lechner wrote:
Including mach/* is frowned upon in device drivers, so get rid of it.
This replaces usb20_clk and code that pokes CFGCHIP2 with a proper phy
driver.
Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
v2 changes: Uses the new phy driver instead of using a second clock.
drivers/usb/host/ohci-da8xx.c | 90 +++++++++++++++++++++----------------------
1 file changed, 44 insertions(+), 46 deletions(-)
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index e5c33bc..c648674 100644
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -15,58 +15,40 @@
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
-
-#include <mach/da8xx.h>
+#include <linux/phy/phy.h>
#include <linux/platform_data/usb-davinci.h>
#ifndef CONFIG_ARCH_DAVINCI_DA8XX
#error "This file is DA8xx bus glue. Define CONFIG_ARCH_DAVINCI_DA8XX."
#endif
-#define CFGCHIP2 DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)
-
static struct clk *usb11_clk;
-static struct clk *usb20_clk;
+static struct phy *usb11_phy;
/* Over-current indicator change bitmask */
static volatile u16 ocic_mask;
-static void ohci_da8xx_clock(int on)
+static int ohci_da8xx_enable(void)
{
[...]
+ ret = clk_prepare_enable(usb11_clk);
+ if (ret)
+ return ret;
- /* Disable USB 1.1 PHY */
- cfgchip2 &= ~CFGCHIP2_USB1SUSPENDM;
+ ret = phy_power_on(usb11_phy);
Aren't you supposed to call phy_init() first?
+ if (ret) {
+ clk_disable_unprepare(usb11_clk);
+ return ret;
}
- __raw_writel(cfgchip2, CFGCHIP2);
+
+ return 0;
+}
+
+static void ohci_da8xx_disable(void)
+{
+ phy_power_off(usb11_phy);
... and phy_exit() after that?
+ clk_disable_unprepare(usb11_clk);
}
/*
[...]
MBR, Sergei
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