From mboxrd@z Thu Jan 1 00:00:00 1970 From: ray.jui@broadcom.com (Ray Jui) Date: Fri, 1 Jun 2018 10:54:32 -0700 Subject: [PATCH v2 1/2] ARM: debug: Add Iproc UART3 debug addresses In-Reply-To: <61a35071-4304-a25f-8c99-fe504b2c2346@gmail.com> References: <20180530131956.13972-1-peron.clem@gmail.com> <93c2d07a-9344-ed39-261e-11084067a3fa@broadcom.com> <41bbf801-f060-2056-4015-b4d05c6831bb@broadcom.com> <61a35071-4304-a25f-8c99-fe504b2c2346@gmail.com> Message-ID: <152f524b-49c5-2fc3-8f65-b71f0241b530@broadcom.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Sorry Florian, I had a couple issues with my email client yesterday and I'm not sure if you have received my reply. Please see my reply inline. On 5/31/2018 3:16 PM, Florian Fainelli wrote: > > > On 05/31/2018 10:24 AM, Ray Jui wrote: >> >> >> On 5/31/2018 1:22 AM, Cl?ment P?ron wrote: >>> Hi Rai, >>> >>> On Wed, 30 May 2018 at 19:25, Ray Jui wrote: >>>> >>>> Hi Cl?ment, >>>> >>>> Correct me if I'm wrong, but I thought the trend is to move to use >>>> earlycon that can be activated from kernel command line for early print >>>> before the serial driver is loaded. >>>> >>>> Have you tried earlcon? >>> No, only tested this method. >>> >>> Thanks, >>> Clement >>> >> >> If I remember it correctly, I think the trend is to use earlycon. There >> are obvious shortcomings by making this configuration compile time based. > > This is true, though on ARM 32-bit kernels DEBUG_LL gets used by the > kernel self-decompressor and also before earlycon has a chance to run, > this is useful to debugging memory issues where your memory > configuration is incorrect typically. > This is true. > Either way is fine with me (accepting or dropping) the patch, though > there is probably minimal impact in just accepting such a change. > Will leave the decision to you then. Thanks, Ray