Merge branch 'usbhost_runtime_pm_14_devel_3.3' of git://git.pwsan.com/linux-2.6 into ehci

arch/arm/mach-omap2/clock3xxx_data.c

@@ -3297,7 +3297,7 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"cpefuse_fck",	&cpefuse_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"ts_fck",	&ts_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"usbtll_fck",	&usbtll_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"usbtll_fck",	&usbtll_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
+	CLK("usbhs_omap",	"usbtll_fck",	&usbtll_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK("omap-mcbsp.1",	"prcm_fck",	&core_96m_fck,	CK_3XXX),
 	CLK("omap-mcbsp.5",	"prcm_fck",	&core_96m_fck,	CK_3XXX),
 	CLK(NULL,	"core_96m_fck",	&core_96m_fck,	CK_3XXX),
@@ -3333,7 +3333,7 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_34XX | CK_36XX),
 	CLK(NULL,	"core_l4_ick",	&core_l4_ick,	CK_3XXX),
 	CLK(NULL,	"usbtll_ick",	&usbtll_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"usbtll_ick",	&usbtll_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
+	CLK("usbhs_omap",	"usbtll_ick",	&usbtll_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK("omap_hsmmc.2",	"ick",	&mmchs3_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"icr_ick",	&icr_ick,	CK_34XX | CK_36XX),
 	CLK("omap-aes",	"ick",	&aes2_ick,	CK_34XX | CK_36XX),
@@ -3379,20 +3379,18 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"cam_ick",	&cam_ick,	CK_34XX | CK_36XX),
 	CLK(NULL,	"csi2_96m_fck",	&csi2_96m_fck,	CK_34XX | CK_36XX),
 	CLK(NULL,	"usbhost_120m_fck", &usbhost_120m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"hs_fck", &usbhost_120m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"usbhost_48m_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"fs_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"usbhost_ick",	&usbhost_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"usbhost_ick",	&usbhost_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("usbhs-omap.0",	"utmi_p1_gfclk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"utmi_p2_gfclk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"xclk60mhsp1_ck",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"xclk60mhsp2_ck",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"usb_host_hs_utmi_p1_clk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"usb_host_hs_utmi_p2_clk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"usb_tll_hs_usb_ch0_clk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"usb_tll_hs_usb_ch1_clk",	&dummy_ck,	CK_3XXX),
-	CLK("usbhs-omap.0",	"init_60m_fclk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"usbhost_ick",	&usbhost_ick,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
+	CLK("usbhs_omap",	"utmi_p1_gfclk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"utmi_p2_gfclk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"xclk60mhsp1_ck",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"xclk60mhsp2_ck",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"usb_host_hs_utmi_p1_clk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"usb_host_hs_utmi_p2_clk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"usb_tll_hs_usb_ch0_clk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"usb_tll_hs_usb_ch1_clk",	&dummy_ck,	CK_3XXX),
+	CLK("usbhs_omap",	"init_60m_fclk",	&dummy_ck,	CK_3XXX),
 	CLK(NULL,	"usim_fck",	&usim_fck,	CK_3430ES2PLUS | CK_36XX),
 	CLK(NULL,	"gpt1_fck",	&gpt1_fck,	CK_3XXX),
 	CLK(NULL,	"wkup_32k_fck",	&wkup_32k_fck,	CK_3XXX),

arch/arm/mach-omap2/clock44xx_data.c

@@ -3295,7 +3295,7 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK(NULL,	"uart2_fck",			&uart2_fck,	CK_443X),
 	CLK(NULL,	"uart3_fck",			&uart3_fck,	CK_443X),
 	CLK(NULL,	"uart4_fck",			&uart4_fck,	CK_443X),
-	CLK("usbhs-omap.0",	"fs_fck",		&usb_host_fs_fck,	CK_443X),
+	CLK("usbhs_omap",	"fs_fck",		&usb_host_fs_fck,	CK_443X),
 	CLK(NULL,	"utmi_p1_gfclk",		&utmi_p1_gfclk,	CK_443X),
 	CLK(NULL,	"usb_host_hs_utmi_p1_clk",	&usb_host_hs_utmi_p1_clk,	CK_443X),
 	CLK(NULL,	"utmi_p2_gfclk",		&utmi_p2_gfclk,	CK_443X),
@@ -3306,7 +3306,7 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK(NULL,	"usb_host_hs_hsic60m_p2_clk",	&usb_host_hs_hsic60m_p2_clk,	CK_443X),
 	CLK(NULL,	"usb_host_hs_hsic480m_p2_clk",	&usb_host_hs_hsic480m_p2_clk,	CK_443X),
 	CLK(NULL,	"usb_host_hs_func48mclk",	&usb_host_hs_func48mclk,	CK_443X),
-	CLK("usbhs-omap.0",	"hs_fck",		&usb_host_hs_fck,	CK_443X),
+	CLK("usbhs_omap",	"hs_fck",		&usb_host_hs_fck,	CK_443X),
 	CLK(NULL,	"otg_60m_gfclk",		&otg_60m_gfclk,	CK_443X),
 	CLK(NULL,	"usb_otg_hs_xclk",		&usb_otg_hs_xclk,	CK_443X),
 	CLK("musb-omap2430",	"ick",				&usb_otg_hs_ick,	CK_443X),
@@ -3314,7 +3314,7 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK(NULL,	"usb_tll_hs_usb_ch2_clk",	&usb_tll_hs_usb_ch2_clk,	CK_443X),
 	CLK(NULL,	"usb_tll_hs_usb_ch0_clk",	&usb_tll_hs_usb_ch0_clk,	CK_443X),
 	CLK(NULL,	"usb_tll_hs_usb_ch1_clk",	&usb_tll_hs_usb_ch1_clk,	CK_443X),
-	CLK("usbhs-omap.0",	"usbtll_ick",		&usb_tll_hs_ick,	CK_443X),
+	CLK("usbhs_omap",	"usbtll_ick",		&usb_tll_hs_ick,	CK_443X),
 	CLK(NULL,	"usim_ck",			&usim_ck,	CK_443X),
 	CLK(NULL,	"usim_fclk",			&usim_fclk,	CK_443X),
 	CLK(NULL,	"usim_fck",			&usim_fck,	CK_443X),
@@ -3374,8 +3374,8 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK(NULL,	"uart2_ick",			&dummy_ck,	CK_443X),
 	CLK(NULL,	"uart3_ick",			&dummy_ck,	CK_443X),
 	CLK(NULL,	"uart4_ick",			&dummy_ck,	CK_443X),
-	CLK("usbhs-omap.0",	"usbhost_ick",		&dummy_ck,		CK_443X),
-	CLK("usbhs-omap.0",	"usbtll_fck",		&dummy_ck,	CK_443X),
+	CLK("usbhs_omap",	"usbhost_ick",		&dummy_ck,		CK_443X),
+	CLK("usbhs_omap",	"usbtll_fck",		&dummy_ck,	CK_443X),
 	CLK("omap_wdt",	"ick",				&dummy_ck,	CK_443X),
 	CLK("omap_timer.1",	"32k_ck",	&sys_32k_ck,	CK_443X),
 	CLK("omap_timer.2",	"32k_ck",	&sys_32k_ck,	CK_443X),

arch/arm/mach-omap2/usb-host.c

@@ -28,51 +28,28 @@
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <plat/usb.h>
+#include <plat/omap_device.h>
 
 #include "mux.h"
 
 #ifdef CONFIG_MFD_OMAP_USB_HOST
 
-#define OMAP_USBHS_DEVICE	"usbhs-omap"
-
-static struct resource usbhs_resources[] = {
-	{
-		.name	= "uhh",
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.name	= "tll",
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.name	= "ehci",
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.name	= "ehci-irq",
-		.flags	= IORESOURCE_IRQ,
-	},
-	{
-		.name	= "ohci",
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.name	= "ohci-irq",
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-static struct platform_device usbhs_device = {
-	.name		= OMAP_USBHS_DEVICE,
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(usbhs_resources),
-	.resource	= usbhs_resources,
-};
+#define OMAP_USBHS_DEVICE	"usbhs_omap"
+#define	USBHS_UHH_HWMODNAME	"usb_host_hs"
+#define USBHS_TLL_HWMODNAME	"usb_tll_hs"
 
 static struct usbhs_omap_platform_data		usbhs_data;
 static struct ehci_hcd_omap_platform_data	ehci_data;
 static struct ohci_hcd_omap_platform_data	ohci_data;
 
+static struct omap_device_pm_latency omap_uhhtll_latency[] = {
+	  {
+		.deactivate_func = omap_device_idle_hwmods,
+		.activate_func	 = omap_device_enable_hwmods,
+		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+	  },
+};
+
 /* MUX settings for EHCI pins */
 /*
  * setup_ehci_io_mux - initialize IO pad mux for USBHOST
@@ -508,6 +485,9 @@ static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 
 void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
 {
+	struct omap_hwmod	*oh[2];
+	struct omap_device	*od;
+	int			bus_id = -1;
 	int			i;
 
 	for (i = 0; i < OMAP3_HS_USB_PORTS; i++) {
@@ -523,44 +503,34 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
 	usbhs_data.ohci_data = &ohci_data;
 
 	if (cpu_is_omap34xx()) {
-		usbhs_resources[0].start = OMAP34XX_UHH_CONFIG_BASE;
-		usbhs_resources[0].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
-		usbhs_resources[1].start = OMAP34XX_USBTLL_BASE;
-		usbhs_resources[1].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
-		usbhs_resources[2].start	= OMAP34XX_EHCI_BASE;
-		usbhs_resources[2].end	= OMAP34XX_EHCI_BASE + SZ_1K - 1;
-		usbhs_resources[3].start = INT_34XX_EHCI_IRQ;
-		usbhs_resources[4].start	= OMAP34XX_OHCI_BASE;
-		usbhs_resources[4].end	= OMAP34XX_OHCI_BASE + SZ_1K - 1;
-		usbhs_resources[5].start = INT_34XX_OHCI_IRQ;
 		setup_ehci_io_mux(pdata->port_mode);
 		setup_ohci_io_mux(pdata->port_mode);
 	} else if (cpu_is_omap44xx()) {
-		usbhs_resources[0].start = OMAP44XX_UHH_CONFIG_BASE;
-		usbhs_resources[0].end = OMAP44XX_UHH_CONFIG_BASE + SZ_1K - 1;
-		usbhs_resources[1].start = OMAP44XX_USBTLL_BASE;
-		usbhs_resources[1].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
-		usbhs_resources[2].start = OMAP44XX_HSUSB_EHCI_BASE;
-		usbhs_resources[2].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
-		usbhs_resources[3].start = OMAP44XX_IRQ_EHCI;
-		usbhs_resources[4].start = OMAP44XX_HSUSB_OHCI_BASE;
-		usbhs_resources[4].end = OMAP44XX_HSUSB_OHCI_BASE + SZ_1K - 1;
-		usbhs_resources[5].start = OMAP44XX_IRQ_OHCI;
 		setup_4430ehci_io_mux(pdata->port_mode);
 		setup_4430ohci_io_mux(pdata->port_mode);
 	}
 
-	if (platform_device_add_data(&usbhs_device,
-				&usbhs_data, sizeof(usbhs_data)) < 0) {
-		printk(KERN_ERR "USBHS platform_device_add_data failed\n");
-		goto init_end;
+	oh[0] = omap_hwmod_lookup(USBHS_UHH_HWMODNAME);
+	if (!oh[0]) {
+		pr_err("Could not look up %s\n", USBHS_UHH_HWMODNAME);
+		return;
 	}
 
-	if (platform_device_register(&usbhs_device) < 0)
-		printk(KERN_ERR "USBHS platform_device_register failed\n");
+	oh[1] = omap_hwmod_lookup(USBHS_TLL_HWMODNAME);
+	if (!oh[1]) {
+		pr_err("Could not look up %s\n", USBHS_TLL_HWMODNAME);
+		return;
+	}
 
-init_end:
+	od = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 2,
+				(void *)&usbhs_data, sizeof(usbhs_data),
+				omap_uhhtll_latency,
+				ARRAY_SIZE(omap_uhhtll_latency), false);
+	if (IS_ERR(od)) {
+		pr_err("Could not build hwmod devices %s,%s\n",
+			USBHS_UHH_HWMODNAME, USBHS_TLL_HWMODNAME);
 		return;
+	}
 }
 
 #else
@@ -570,5 +540,3 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
 }
 
 #endif
-
-

arch/arm/plat-omap/include/plat/usb.h

@@ -100,9 +100,6 @@ extern void usb_musb_init(struct omap_musb_board_data *board_data);
 
 extern void usbhs_init(const struct usbhs_omap_board_data *pdata);
 
-extern int omap_usbhs_enable(struct device *dev);
-extern void omap_usbhs_disable(struct device *dev);
-
 extern int omap4430_phy_power(struct device *dev, int ID, int on);
 extern int omap4430_phy_set_clk(struct device *dev, int on);
 extern int omap4430_phy_init(struct device *dev);

drivers/usb/host/ehci-omap.c

@@ -41,6 +41,7 @@
 #include <linux/usb/ulpi.h>
 #include <plat/usb.h>
 #include <linux/regulator/consumer.h>
+#include <linux/pm_runtime.h>
 
 /* EHCI Register Set */
 #define EHCI_INSNREG04					(0xA0)
@@ -190,11 +191,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 		}
 	}
 
-	ret = omap_usbhs_enable(dev);
-	if (ret) {
-		dev_err(dev, "failed to start usbhs with err %d\n", ret);
-		goto err_enable;
-	}
+	pm_runtime_enable(dev);
+	pm_runtime_get_sync(dev);
 
 	/*
 	 * An undocumented "feature" in the OMAP3 EHCI controller,
@@ -240,11 +238,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 	return 0;
 
 err_add_hcd:
-	omap_usbhs_disable(dev);
-
-err_enable:
 	disable_put_regulator(pdata);
-	usb_put_hcd(hcd);
+	pm_runtime_put_sync(dev);
 
 err_io:
 	iounmap(regs);
@@ -266,10 +261,12 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
 	struct usb_hcd *hcd	= dev_get_drvdata(dev);
 
 	usb_remove_hcd(hcd);
-	omap_usbhs_disable(dev);
 	disable_put_regulator(dev->platform_data);
 	iounmap(hcd->regs);
 	usb_put_hcd(hcd);
+	pm_runtime_put_sync(dev);
+	pm_runtime_disable(dev);
+
 	return 0;
 }
 

drivers/usb/host/ohci-omap3.c

@@ -31,6 +31,7 @@
 
 #include <linux/platform_device.h>
 #include <plat/usb.h>
+#include <linux/pm_runtime.h>
 
 /*-------------------------------------------------------------------------*/
 
@@ -134,7 +135,7 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev)
 	int			irq;
 
 	if (usb_disabled())
-		goto err_end;
+		return -ENODEV;
 
 	if (!dev->parent) {
 		dev_err(dev, "Missing parent device\n");
@@ -172,11 +173,8 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev)
 	hcd->rsrc_len = resource_size(res);
 	hcd->regs =  regs;
 
-	ret = omap_usbhs_enable(dev);
-	if (ret) {
-		dev_dbg(dev, "failed to start ohci\n");
-		goto err_end;
-	}
+	pm_runtime_enable(dev);
+	pm_runtime_get_sync(dev);
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
@@ -189,9 +187,7 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev)
 	return 0;
 
 err_add_hcd:
-	omap_usbhs_disable(dev);
-
-err_end:
+	pm_runtime_put_sync(dev);
 	usb_put_hcd(hcd);
 
 err_io:
@@ -220,9 +216,9 @@ static int __devexit ohci_hcd_omap3_remove(struct platform_device *pdev)
 
 	iounmap(hcd->regs);
 	usb_remove_hcd(hcd);
-	omap_usbhs_disable(dev);
+	pm_runtime_put_sync(dev);
+	pm_runtime_disable(dev);
 	usb_put_hcd(hcd);
-
 	return 0;
 }