Cannot use USB device after compiling new kernel.

2014-04-09 Thread HABI S RAVI
I am using 3.14.0 kernel version. I compiled using localmodconfig. I am using Ubuntu in my Lenovo U410 Ultrabook. I can use USB mouse, keyboard, pendrives with the distro kernel 3.11.0-18-generic. I can use USB mouse in distro kernel, but cannot use the same in compiled kernel. I can plug in new

USB device not mounting

2014-04-08 Thread HABI S RAVI
Hi, I compiled Linux kernel from the source tree and booted from it. I used the config from my distribution. After booting, I can mount only those USB devices that i have mounted with the distribution kernel. I cannot mount new USB devices. ___ Kernelnewb

Code Style issue

2014-04-04 Thread HABI S RAVI
Hi, I am trying to fix a coding issue . I get the following warning when my module is checked with checkpatch.pl. How can i remove the warning. I see a lot of drivers using printk() function. $ perl ~/linux-stable/scripts/checkpatch.pl -f hello.c WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg