On 02/13/2020 14:17 PM, Christophe Leroy wrote: > -----Original Message----- > From: Christophe Leroy <christophe.le...@c-s.fr> > Sent: 2020年2月13日 14:17 > To: Qiang Zhao <qiang.z...@nxp.com>; Rasmus Villemoes > <li...@rasmusvillemoes.dk>; Leo Li <leoyang...@nxp.com>; Greg > Kroah-Hartman <gre...@linuxfoundation.org> > Cc: Scott Wood <o...@buserror.net>; linuxppc-dev@lists.ozlabs.org; LKML > <linux-ker...@vger.kernel.org>; linux-arm-ker...@lists.infradead.org > Subject: Re: [Regression 5.6-rc1][Bisected b6231ea2b3c6] Powerpc 8xx doesn't > boot anymore > > > > Le 13/02/2020 à 04:35, Qiang Zhao a écrit : > > On 02/12/2020 22:50 PM, Christophe Leroy wrote: > >> -----Original Message----- > >> From: Christophe Leroy <christophe.le...@c-s.fr> > >> Sent: 2020年2月12日 22:50 > >> To: Rasmus Villemoes <li...@rasmusvillemoes.dk>; Leo Li > >> <leoyang...@nxp.com>; Qiang Zhao <qiang.z...@nxp.com>; Greg > >> Kroah-Hartman <gre...@linuxfoundation.org> > >> Cc: Scott Wood <o...@buserror.net>; linuxppc-dev@lists.ozlabs.org; > >> LKML <linux-ker...@vger.kernel.org>; > >> linux-arm-ker...@lists.infradead.org > >> Subject: Re: [Regression 5.6-rc1][Bisected b6231ea2b3c6] Powerpc 8xx > >> doesn't boot anymore > >> > >> --- > >> diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c > >> b/drivers/tty/serial/cpm_uart/cpm_uart_core.c > >> index 4cabded8390b..341d682ec6eb 100644 > >> --- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c > >> +++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c > >> @@ -1351,6 +1351,7 @@ static int __init cpm_uart_console_setup(struct > >> console *co, char *options) > >> clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | > >> SCC_GSMRL_ENT); > >> } > >> > >> + cpm_muram_init(); > >> ret = cpm_uart_allocbuf(pinfo, 1); > >> > >> if (ret) > >> > > How about the patch like below? Just a draft. > > Yes, I see the idea. I think we could go for something like that. > But in the powerpc 8xx case, we are talking about cpm_init(), not qe_init().
Yes, cpm_init. Best Regards Qiang Zhao
