thanks a lot Chris. Will try it out. On Fri, Jul 20, 2012 at 9:24 AM, Chris Ball <c...@laptop.org> wrote: > Hi Shashidhar, > > On Wed, Jul 18 2012, Shashidhar Hiremath wrote: >> I want to use printascii to debug my serial driver. How do I enable >> it and use the feature. >> Currently I have enabled in menuconfig and done an extern on the >> printascii api, this doesn't seem to work, So any hints for debugging >> serial drivers ? > > Sounds like you want this patch, against linux-next: > > diff --git a/kernel/printk.c b/kernel/printk.c > index 3991862..36abce8 100644 > --- a/kernel/printk.c > +++ b/kernel/printk.c > @@ -45,6 +45,8 @@ > > #include <asm/uaccess.h> > > +extern void printascii(char *); > + > #define CREATE_TRACE_POINTS > #include <trace/events/printk.h> > > @@ -1542,6 +1544,8 @@ asmlinkage int vprintk_emit(int facility, int level, > */ > text_len = vscnprintf(text, sizeof(textbuf), fmt, args); > > + printascii(text); > + > /* mark and strip a trailing newline */ > if (text_len && text[text_len-1] == '\n') { > text_len--; > > -- > Chris Ball <c...@laptop.org> <http://printf.net/> > One Laptop Per Child
-- regards, Shashidhar Hiremath -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/