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Sun, 20 Sep 2026 07:16:32 -0700 (PDT) Received: from [127.0.1.1] ([151.51.151.34]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fc57547easm184107005e9.3.2026.09.20.07.16.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 07:16:32 -0700 (PDT) Sender: Massimo Pegorer From: Massimo Pegorer Date: Sun, 20 Sep 2026 16:15:52 +0200 Subject: [PATCH RFC 08/11] arm: rockchip: print reset cause only when available MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260920-reset-v1-8-42820216369f@gmail.com> References: <20260920-reset-v1-0-42820216369f@gmail.com> In-Reply-To: <20260920-reset-v1-0-42820216369f@gmail.com> To: Simon Glass , Quentin Schulz , u-boot@lists.u-boot-project.org Cc: Tom Rini , Ilias Apalodimas , Kever Yang , Lukasz Majewski , Anatolij Gustschin , Heiko Schocher , Marek Vasut , Svyatoslav Ryhel , Peter Robinson , Levin Du , Suniel Mahesh , Alexey Charkov , Fabio Estevam , Jonas Karlman , Chris Morgan , Coia Prant , Frank Wunderlich , Andy Yan , Liangbin Lian , Joseph Chen , Tianling Shen , Klaus Goger , Heiko Stuebner , Jacobe Zang , Jiehui He , John Clark , Sebastian Kropatsch , Jagan Teki , Ilya Katsnelson , Niu Zhihong , Nicolas Frattaroli , Tom Fitzhenry , Akash Gajjar , Maxim Moskalets , FUKAUMI Naoki , Eugen Hristev , Jianfeng Liu , Elon Zhang , Joshua Riek , Martin Herren , Torsten Duwe , Massimo Pegorer X-Mailer: b4 0.15.2 X-Mailman-Approved-At: Sun, 20 Sep 2026 15:49:13 +0000 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org Do not print the useless "Reset cause: " line when reset cause is unavailable due to missing overriding implementation or error. On the other hand, I always feel uncomfortable for providing - knowingly - a NULL pointer as printf() argument for a '%s' conversion specifier. Signed-off-by: Massimo Pegorer --- arch/arm/mach-rockchip/cpu-info.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-rockchip/cpu-info.c b/arch/arm/mach-rockchip/cpu-info.c index 823a2c6b89d..79ea3e17185 100644 --- a/arch/arm/mach-rockchip/cpu-info.c +++ b/arch/arm/mach-rockchip/cpu-info.c @@ -55,7 +55,8 @@ int print_cpuinfo(void) if (rockchip_print_soc()) printf("SoC: Rockchip %s\n", CONFIG_SYS_SOC); - printf("Reset cause: %s\n", cause); + if (cause) + printf("Reset cause: %s\n", cause); /** * reset_reason env is used by rk3288, due to special use case -- 2.34.1