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Wed, 26 Feb 2025 07:20:56 +0200 (IST) To: Sergey Kuzminov Cc: buildroot@buildroot.org In-Reply-To: <20250225174304.1810-1-kuzminov.sergey81@gmail.com> (Sergey Kuzminov's message of "Tue, 25 Feb 2025 20:43:04 +0300") References: <20250225174304.1810-1-kuzminov.sergey81@gmail.com> User-Agent: mu4e 1.12.8; emacs 29.4 Date: Wed, 26 Feb 2025 07:26:32 +0200 Message-ID: <87zfi9e0on.fsf@tarshish> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tkos.co.il; s=default; t=1740547256; bh=349yO2N2txuA3tw2gn6gFKOXGgxDppKxi9NgS8gDV/Q=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=FA+T437Htw6UUYIaQMkIcoKtZaMfS2o6+4BSACRFsNWxSFMsIIarIIqE0RWZWH1fw xQgwc7Lysf6I8AD0SUIbHXkGRtXEPRoXvK98UBUyp/LogwOR7VWUEOABC7xSlSpoCo NXH/NkqH596BKBVIJ8jAUXIc0I+huqLGNRBrKBmQFAo4ER33Cr4TDr/Z76+Qx2DJKf TluHgQtihSNpaSnq8dc7XGRh6iADlzXhcPLemmxHlB45pWTMTSd7UpTVHmKxXli68Q J9Fysh6QXr0bZEeewc/H+OQ1SKVmZPfIhGmwYPnT8KuBNs7scLGorZ8UqXOnisaDl3 FPWVvXWDfZbUQ== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=tkos.co.il X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=tkos.co.il header.i=@tkos.co.il header.a=rsa-sha256 header.s=default header.b=FA+T437H Subject: Re: [Buildroot] [PATCH] board/friendlyarm/nanopi-r3s: rk3566-nanopi-r3s.dts: enable hw random X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Baruch Siach via buildroot Reply-To: Baruch Siach Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Hi Sergey, On Tue, Feb 25 2025, Sergey Kuzminov wrote: > This patch enables the hardware random number generator in the device tree. > Without it, the entropy level in the Linux kernel increases very slowly. > To check the entropy level: cat /proc/sys/kernel/random/entropy_avail > > Signed-off-by: Sergey Kuzminov > --- > ...001-rk3566-nanopi-r3s.dts-enable-rng.patch | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 board/friendlyarm/nanopi-r3s/patches/linux/0001-rk3566-nanopi-r3s.dts-enable-rng.patch > > diff --git > a/board/friendlyarm/nanopi-r3s/patches/linux/0001-rk3566-nanopi-r3s.dts-enable-rng.patch > b/board/friendlyarm/nanopi-r3s/patches/linux/0001-rk3566-nanopi-r3s.dts-enable-rng.patch > new file mode 100644 > index 0000000000..b376004377 > --- /dev/null > +++ b/board/friendlyarm/nanopi-r3s/patches/linux/0001-rk3566-nanopi-r3s.dts-enable-rng.patch > @@ -0,0 +1,30 @@ > +From 284e6683b4a0ee6b1fd22ccd34785e1f2d58c115 Mon Sep 17 00:00:00 2001 > +From: Sergey Kuzminov > +Date: Tue, 25 Feb 2025 19:49:00 +0300 > +Subject: [PATCH] rk3566-nanopi-r3s.dts: enable rng > + > +This patch enables the hardware random number generator in the device tree. > +Without it, the entropy level in the Linux kernel increases very slowly. > +To check the entropy level: cat /proc/sys/kernel/random/entropy_avail > + > +Signed-off-by: Sergey Kuzminov > +Upstream: Not applicable, Buildroot specific. What makes this patch Buildroot specific? baruch > +--- > + arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts | 4 ++++ > + 1 file changed, 4 insertions(+) > + > +diff --git a/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts b/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts > +index fb1f65c86883..a89bdbf71e12 100644 > +--- a/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts > ++++ b/arch/arm64/boot/dts/rockchip/rk3566-nanopi-r3s.dts > +@@ -552,3 +552,7 @@ &vop { > + &vop_mmu { > + status = "okay"; > + }; > ++ > ++&rng { > ++ status = "okay"; > ++}; > +-- > +2.45.3 > + -- ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il - _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot