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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 1/2] ARM: cpuinfo: print CPU mainid if unknown
Date: Fri,  3 Jun 2022 09:24:35 +0200	[thread overview]
Message-ID: <20220603072436.1579545-1-a.fatoum@pengutronix.de> (raw)

Instead of e.g.

  core: unknown r0p3

We now get

  core: unknown (0x410fd083) r0p3

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 arch/arm/cpu/cpuinfo.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/arm/cpu/cpuinfo.c b/arch/arm/cpu/cpuinfo.c
index a08fc253efbb..5dce34536efc 100644
--- a/arch/arm/cpu/cpuinfo.c
+++ b/arch/arm/cpu/cpuinfo.c
@@ -191,7 +191,7 @@ static int do_cpuinfo(int argc, char *argv[])
 
 	if (cpu_arch >= CPU_ARCH_ARMv7) {
 		unsigned int major, minor;
-		char *part;
+		const char *part = NULL;
 		major = (mainid >> 20) & 0xf;
 		minor = mainid & 0xf;
 		switch (mainid & 0xfff0) {
@@ -217,9 +217,13 @@ static int do_cpuinfo(int argc, char *argv[])
 			part = "Cortex-A57";
 			break;
 		default:
-			part = "unknown";
+			printf("core: unknown (0x%08lx) r%up%u\n",
+			       mainid, major, minor);
+			break;
 		}
-		printf("core: %s r%up%u\n", part, major, minor);
+
+		if (part)
+			printf("core: %s r%up%u\n", part, major, minor);
 	}
 
 	if (cache & (1 << 24)) {
-- 
2.30.2


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             reply	other threads:[~2022-06-03  7:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-03  7:24 Ahmad Fatoum [this message]
2022-06-03  7:24 ` [PATCH 2/2] ARM: cpuinfo: detect Cortex-A72 Ahmad Fatoum
2022-06-07  7:07 ` [PATCH 1/2] ARM: cpuinfo: print CPU mainid if unknown Sascha Hauer

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