USB mass storage device is not enumerated with 3.14.28 Kernel. With Kernel 3.10.17 its working fine.
[ 0.109409] usb_otg_vbus: 5000 mV
[ 0.109630] usb_h1_vbus: 5000 mV
[ 0.444209] usb_h1_vbus: disabling
[ 0.444219] usb_otg_vbus: disabling
>[ 3.061352] systemd[1]: Starting load USB net service...
[ 3.143030] usbcore: registered new interface driver usbfs
[ 3.143030] usbcore: registered new interface driver usbfs
[ 3.143099] usbcore: registered new interface driver hub
[ 3.173088] usbcore: registered new device driver usb
[ 3.173088] usbcore: registered new device driver usb
[ 3.218172] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 3.268408] 2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
[ 3.271412] imx_usb 2184000.usb: pinctrl_hsic_idle lookup failed, err=-19
[ 3.271412] imx_usb 2184000.usb: pinctrl_hsic_idle lookup failed, err=-19
[ 3.271429] imx_usb 2184000.usb: pinctrl_hsic_active lookup failed, err=-19
[ 3.271429] imx_usb 2184000.usb: pinctrl_hsic_active lookup failed, err=-19
[ 3.295496] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1
[ 3.314474] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
[ 3.315310] hub 1-0:1.0: USB hub found
[ 3.315996] imx_usb 2184200.usb: pinctrl_hsic_idle lookup failed, err=-19
[ 3.315996] imx_usb 2184200.usb: pinctrl_hsic_idle lookup failed, err=-19
[ 3.316011] imx_usb 2184200.usb: pinctrl_hsic_active lookup failed, err=-19
[ 3.316011] imx_usb 2184200.usb: pinctrl_hsic_active lookup failed, err=-19
[ 3.330860] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[ 3.344442] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 3.345869] hub 2-0:1.0: USB hub found
[ 3.357585] usbcore: registered new interface driver asix
[ 3.568308] systemd[1]: Started load USB net service.
With 3.10.17 Kernel I am seeing USB mass storage enumeration happening.
Line 77: [ 0.159931] usb_otg_vbus: 5000 mV
Line 78: [ 0.160131] usb_h1_vbus: 5000 mV
Line 195: [ 3.769989] systemd[1]: Starting load USB net service...
Line 196: Starting load USB net service...
Line 202: [ 3.838907] usbcore: registered new interface driver usbfs
Line 202: [ 3.838907] usbcore: registered new interface driver usbfs
Line 203: [ 3.851240] usbcore: registered new interface driver hub
Line 205: [ 3.858108] usbcore: registered new device driver usb
Line 205: [ 3.858108] usbcore: registered new device driver usb
Line 207: [ 3.871685] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
Line 213: [ 3.928977] imx_usb 2184000.usb: pinctrl_hsic_idle lookup failed, err=-19
Line 213: [ 3.928977] imx_usb 2184000.usb: pinctrl_hsic_idle lookup failed, err=-19
Line 214: [ 3.936126] imx_usb 2184000.usb: pinctrl_hsic_active lookup failed, err=-19
Line 214: [ 3.936126] imx_usb 2184000.usb: pinctrl_hsic_active lookup failed, err=-19
Line 222: [ 4.042497] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1
Line 225: [ 4.087551] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
Line 227: [ 4.101796] hub 1-0:1.0: USB hub found
Line 230: [ 4.118826] imx_usb 2184200.usb: pinctrl_hsic_idle lookup failed, err=-19
Line 230: [ 4.118826] imx_usb 2184200.usb: pinctrl_hsic_idle lookup failed, err=-19
Line 231: [ 4.125631] imx_usb 2184200.usb: pinctrl_hsic_active lookup failed, err=-19
Line 231: [ 4.125631] imx_usb 2184200.usb: pinctrl_hsic_active lookup failed, err=-19
Line 241: [ 4.186527] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
Line 245: [ 4.217814] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
Line 246: [ 4.224782] hub 2-0:1.0: USB hub found
Line 251: [ 4.260772] usbcore: registered new interface driver asix
Line 267: [ 4.437571] usb 1-1: new high-speed USB device number 2 using ci_hdrc
Line 267: [ 4.437571] usb 1-1: new high-speed USB device number 2 using ci_hdrc
Line 272: [ 4.482980] imx_usb 2184200.usb: at imx_controller_suspend
Line 272: [ 4.482980] imx_usb 2184200.usb: at imx_controller_suspend
Line 276: [ OK ] Started load USB net service.
Line 277: [ 4.533826] systemd[1]: Started load USB net service.
Line 300: [ 7.542883] imx_usb 2184200.usb: at imx_controller_resume
Line 300: [ 7.542883] imx_usb 2184200.usb: at imx_controller_resume
Line 308: [ 7.656329] imx_usb 2184200.usb: at imx_controller_suspend
Line 308: [ 7.656329] imx_usb 2184200.usb: at imx_controller_suspend
Line 311: [ 7.686569] usb-storage 1-1:1.0: USB Mass Storage device detected
Line 311: [ 7.686569] usb-storage 1-1:1.0: USB Mass Storage device detected
Can any one tell if i am missing out anything?