From 765786e0aead7faf6c333176d22948c6f155fff1 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 31 Oct 2008 20:22:38 +0900 Subject: sh: sh_mobile usb clock framework support Add clock framework support to the usb/r8a66597 driver and adjust the cpu specific code accordingly. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/usb/host/r8a66597-hcd.c | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) (limited to 'drivers/usb/host/r8a66597-hcd.c') diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 2376f24f3c83..d99b9c7098b5 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -114,6 +114,9 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597) int i = 0; #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_HAVE_CLK) + clk_enable(r8a66597->clk); +#endif do { r8a66597_write(r8a66597, SCKE, SYSCFG0); tmp = r8a66597_read(r8a66597, SYSCFG0); @@ -154,7 +157,11 @@ static void r8a66597_clock_disable(struct r8a66597 *r8a66597) { r8a66597_bclr(r8a66597, SCKE, SYSCFG0); udelay(1); -#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) +#if defined(CONFIG_HAVE_CLK) + clk_disable(r8a66597->clk); +#endif +#else r8a66597_bclr(r8a66597, PLLC, SYSCFG0); r8a66597_bclr(r8a66597, XCKE, SYSCFG0); r8a66597_bclr(r8a66597, USBE, SYSCFG0); @@ -2261,6 +2268,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev) del_timer_sync(&r8a66597->rh_timer); usb_remove_hcd(hcd); iounmap((void *)r8a66597->reg); +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + clk_put(r8a66597->clk); +#endif usb_put_hcd(hcd); return 0; } @@ -2268,6 +2278,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev) #define resource_len(r) (((r)->end - (r)->start) + 1) static int __init r8a66597_probe(struct platform_device *pdev) { +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + char clk_name[8]; +#endif struct resource *res = NULL, *ires; int irq = -1; void __iomem *reg = NULL; @@ -2320,6 +2333,16 @@ static int __init r8a66597_probe(struct platform_device *pdev) memset(r8a66597, 0, sizeof(struct r8a66597)); dev_set_drvdata(&pdev->dev, r8a66597); +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id); + r8a66597->clk = clk_get(&pdev->dev, clk_name); + if (IS_ERR(r8a66597->clk)) { + dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); + ret = PTR_ERR(r8a66597->clk); + goto clean_up2; + } +#endif + spin_lock_init(&r8a66597->lock); init_timer(&r8a66597->rh_timer); r8a66597->rh_timer.function = r8a66597_timer; @@ -2365,11 +2388,19 @@ static int __init r8a66597_probe(struct platform_device *pdev) ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger); if (ret != 0) { dev_err(&pdev->dev, "Failed to add hcd\n"); - goto clean_up; + goto clean_up3; } return 0; +clean_up3: +#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) + clk_put(r8a66597->clk); +#endif + +clean_up2: + usb_put_hcd(hcd); + clean_up: if (reg) iounmap(reg); -- cgit v1.2.3 From d6435102d4ca3b5655c0105abe924abec17ffeb8 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 18 Nov 2008 12:40:39 +0900 Subject: usb: Fix up sh_mobile usbf clock framework warnings. drivers/usb/gadget/m66592-udc.c: In function 'm66592_probe': drivers/usb/gadget/m66592-udc.c:1672: warning: label 'clean_up2' defined but not used drivers/usb/host/r8a66597-hcd.c: In function 'r8a66597_probe': drivers/usb/host/r8a66597-hcd.c:2401: warning: label 'clean_up2' defined but not used Added by commit 985fc7c81c7852f2e104c71cbe913ace683c9e6a ("sh: sh_mobile usbf clock framework support"). Reported-by: Stephen Rothwell Signed-off-by: Paul Mundt --- drivers/usb/gadget/m66592-udc.c | 2 +- drivers/usb/host/r8a66597-hcd.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/usb/host/r8a66597-hcd.c') diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c index 201c67b625cc..3a8879ec2061 100644 --- a/drivers/usb/gadget/m66592-udc.c +++ b/drivers/usb/gadget/m66592-udc.c @@ -1668,8 +1668,8 @@ clean_up3: #if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK) clk_disable(m66592->clk); clk_put(m66592->clk); -#endif clean_up2: +#endif free_irq(irq, m66592); clean_up: if (m66592) { diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index d99b9c7098b5..c21f14e0666a 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -2396,9 +2396,8 @@ static int __init r8a66597_probe(struct platform_device *pdev) clean_up3: #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK) clk_put(r8a66597->clk); -#endif - clean_up2: +#endif usb_put_hcd(hcd); clean_up: -- cgit v1.2.3