diff options
Diffstat (limited to 'drivers/usb/gadget/fsl_mx3_udc.c')
-rw-r--r-- | drivers/usb/gadget/fsl_mx3_udc.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/usb/gadget/fsl_mx3_udc.c b/drivers/usb/gadget/fsl_mx3_udc.c index 4bc2bf3d602e..20a802ecaa15 100644 --- a/drivers/usb/gadget/fsl_mx3_udc.c +++ b/drivers/usb/gadget/fsl_mx3_udc.c | |||
@@ -17,6 +17,8 @@ | |||
17 | #include <linux/fsl_devices.h> | 17 | #include <linux/fsl_devices.h> |
18 | #include <linux/platform_device.h> | 18 | #include <linux/platform_device.h> |
19 | 19 | ||
20 | #include <mach/hardware.h> | ||
21 | |||
20 | static struct clk *mxc_ahb_clk; | 22 | static struct clk *mxc_ahb_clk; |
21 | static struct clk *mxc_usb_clk; | 23 | static struct clk *mxc_usb_clk; |
22 | 24 | ||
@@ -28,14 +30,16 @@ int fsl_udc_clk_init(struct platform_device *pdev) | |||
28 | 30 | ||
29 | pdata = pdev->dev.platform_data; | 31 | pdata = pdev->dev.platform_data; |
30 | 32 | ||
31 | mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb"); | 33 | if (!cpu_is_mx35()) { |
32 | if (IS_ERR(mxc_ahb_clk)) | 34 | mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb"); |
33 | return PTR_ERR(mxc_ahb_clk); | 35 | if (IS_ERR(mxc_ahb_clk)) |
36 | return PTR_ERR(mxc_ahb_clk); | ||
34 | 37 | ||
35 | ret = clk_enable(mxc_ahb_clk); | 38 | ret = clk_enable(mxc_ahb_clk); |
36 | if (ret < 0) { | 39 | if (ret < 0) { |
37 | dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n"); | 40 | dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n"); |
38 | goto eenahb; | 41 | goto eenahb; |
42 | } | ||
39 | } | 43 | } |
40 | 44 | ||
41 | /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ | 45 | /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ |
@@ -50,6 +54,7 @@ int fsl_udc_clk_init(struct platform_device *pdev) | |||
50 | if (pdata->phy_mode != FSL_USB2_PHY_ULPI && | 54 | if (pdata->phy_mode != FSL_USB2_PHY_ULPI && |
51 | (freq < 59999000 || freq > 60001000)) { | 55 | (freq < 59999000 || freq > 60001000)) { |
52 | dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq); | 56 | dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq); |
57 | ret = -EINVAL; | ||
53 | goto eclkrate; | 58 | goto eclkrate; |
54 | } | 59 | } |
55 | 60 | ||
@@ -66,9 +71,11 @@ eclkrate: | |||
66 | clk_put(mxc_usb_clk); | 71 | clk_put(mxc_usb_clk); |
67 | mxc_usb_clk = NULL; | 72 | mxc_usb_clk = NULL; |
68 | egusb: | 73 | egusb: |
69 | clk_disable(mxc_ahb_clk); | 74 | if (!cpu_is_mx35()) |
75 | clk_disable(mxc_ahb_clk); | ||
70 | eenahb: | 76 | eenahb: |
71 | clk_put(mxc_ahb_clk); | 77 | if (!cpu_is_mx35()) |
78 | clk_put(mxc_ahb_clk); | ||
72 | return ret; | 79 | return ret; |
73 | } | 80 | } |
74 | 81 | ||
@@ -90,6 +97,8 @@ void fsl_udc_clk_release(void) | |||
90 | clk_disable(mxc_usb_clk); | 97 | clk_disable(mxc_usb_clk); |
91 | clk_put(mxc_usb_clk); | 98 | clk_put(mxc_usb_clk); |
92 | } | 99 | } |
93 | clk_disable(mxc_ahb_clk); | 100 | if (!cpu_is_mx35()) { |
94 | clk_put(mxc_ahb_clk); | 101 | clk_disable(mxc_ahb_clk); |
102 | clk_put(mxc_ahb_clk); | ||
103 | } | ||
95 | } | 104 | } |