Hi Lyra Zhang, On Wed, Jan 28, 2015 at 04:46:33PM +0800, Lyra Zhang wrote: > On Wed, Jan 28, 2015 at 2:12 PM, Baruch Siach <baruch@xxxxxxxxxx> wrote: > > On Wed, Jan 28, 2015 at 10:47:41AM +0800, Chunyan Zhang wrote: > >> + if (uart_handle_sysrq_char(port, ch)) > >> + continue; > > > > My comment[1] on a previous version of this patch still stands. > > uart_handle_sysrq_char is a NOP when SUPPORT_SYSRQ is not defined. > > yes, there are two definitions in serial_core.h, and it returns 0 when > SUPPORT_SYSRQ is not defined. > so, I think my code behavior does not hurt, right? Right. I just wanted to point out that you can easily define SUPPORT_SYSRQ as appropriate like many other serial drivers do to get sysrq support. baruch -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@xxxxxxxxxx - tel: +972.2.679.5364, http://www.tkos.co.il - -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html