diff options
| -rw-r--r-- | drivers/usb/host/fsl-mph-dr-of.c | 8 | ||||
| -rw-r--r-- | include/linux/fsl_devices.h | 16 |
2 files changed, 14 insertions, 10 deletions
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 5e0d60035216..219595637cb1 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -119,9 +119,9 @@ error: static const struct of_device_id fsl_usb2_mph_dr_of_match[]; -static int usb_get_ver_info(struct device_node *np) +static enum fsl_usb2_controller_ver usb_get_ver_info(struct device_node *np) { - int ver = -1; + enum fsl_usb2_controller_ver ver = FSL_USB_VER_NONE; /* * returns 1 for usb controller version 1.6 @@ -142,7 +142,7 @@ static int usb_get_ver_info(struct device_node *np) else /* for previous controller versions */ ver = FSL_USB_VER_OLD; - if (ver > -1) + if (ver > FSL_USB_VER_NONE) return ver; } @@ -215,7 +215,7 @@ static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev) pdata->controller_ver = usb_get_ver_info(np); if (pdata->have_sysif_regs) { - if (pdata->controller_ver < 0) { + if (pdata->controller_ver == FSL_USB_VER_NONE) { dev_warn(&ofdev->dev, "Could not get controller version\n"); return -ENODEV; } diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h index 2a2f56b292c1..0d4855cd5330 100644 --- a/include/linux/fsl_devices.h +++ b/include/linux/fsl_devices.h @@ -20,11 +20,6 @@ #define FSL_UTMI_PHY_DLY 10 /*As per P1010RM, delay for UTMI PHY CLK to become stable - 10ms*/ #define FSL_USB_PHY_CLK_TIMEOUT 10000 /* uSec */ -#define FSL_USB_VER_OLD 0 -#define FSL_USB_VER_1_6 1 -#define FSL_USB_VER_2_2 2 -#define FSL_USB_VER_2_4 3 -#define FSL_USB_VER_2_5 4 #include <linux/types.h> @@ -52,6 +47,15 @@ * */ +enum fsl_usb2_controller_ver { + FSL_USB_VER_NONE = -1, + FSL_USB_VER_OLD = 0, + FSL_USB_VER_1_6 = 1, + FSL_USB_VER_2_2 = 2, + FSL_USB_VER_2_4 = 3, + FSL_USB_VER_2_5 = 4, +}; + enum fsl_usb2_operating_modes { FSL_USB2_MPH_HOST, FSL_USB2_DR_HOST, @@ -72,7 +76,7 @@ struct platform_device; struct fsl_usb2_platform_data { /* board specific information */ - int controller_ver; + enum fsl_usb2_controller_ver controller_ver; enum fsl_usb2_operating_modes operating_mode; enum fsl_usb2_phy_modes phy_mode; unsigned int port_enables; |