RE: [Regression 5.6-rc1][Bisected b6231ea2b3c6] Powerpc 8xx doesn't boot anymore

On 02/13/2020 14:17 PM, Christophe Leroy wrote:

-----Original Message-----
From: Christophe Leroy <redacted>
Sent: 2020年2月13日 14:17
To: Qiang Zhao <qiang.zhao@nxp.com>; Rasmus Villemoes
[off-list ref]; Leo Li [off-list ref]; Greg
Kroah-Hartman [off-list ref]
Cc: Scott Wood <oss@buserror.net>; linuxppc-dev@lists.ozlabs.org; LKML
[off-list ref]; linux-arm-kernel@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 :

quoted

On 02/12/2020 22:50 PM, Christophe Leroy wrote:

quoted

-----Original Message-----
From: Christophe Leroy <redacted>
Sent: 2020年2月12日 22:50
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>; Leo Li
[off-list ref]; Qiang Zhao [off-list ref]; Greg
Kroah-Hartman [off-list ref]
Cc: Scott Wood <oss@buserror.net>; linuxppc-dev@lists.ozlabs.org;
LKML [off-list ref];
linux-arm-kernel@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