From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH 2/7] hwrng: omap3-rom - Fix missing clock by probing with device tree Date: Mon, 30 Sep 2019 17:20:20 -0500 Message-ID: <20190930222020.GA13078@bogus> References: <20190914210300.15836-1-tony@atomide.com> <20190914210300.15836-3-tony@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20190914210300.15836-3-tony@atomide.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren Cc: Matt Mackall , Herbert Xu , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, Aaro Koskinen , Adam Ford , Pali =?iso-8859-1?Q?Roh=E1r?= , Tero Kristo List-Id: devicetree@vger.kernel.org On Sat, 14 Sep 2019 14:02:55 -0700, Tony Lindgren wrote: > Commit 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases") > removed old omap3 clock framework aliases but caused omap3-rom-rng to > stop working with clock not found error. > > Based on discussions on the mailing list it was requested by Tero Kristo > that it would be best to fix this issue by probing omap3-rom-rng using > device tree to provide a proper clk property. The other option would be > to add back the missing clock alias, but that does not help moving things > forward with removing old legacy platform_data. > > Let's also add a proper device tree binding and keep it together with > the fix. > > Cc: devicetree@vger.kernel.org > Cc: Aaro Koskinen > Cc: Adam Ford > Cc: Pali Rohár > Cc: Rob Herring > Cc: Sebastian Reichel > Cc: Tero Kristo > Fixes: 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases") > Reported-by: Aaro Koskinen > Signed-off-by: Tony Lindgren > --- > .../devicetree/bindings/rng/omap3_rom_rng.txt | 27 +++++++++++++++++++ > arch/arm/boot/dts/omap3-n900.dts | 6 +++++ > arch/arm/mach-omap2/pdata-quirks.c | 12 +-------- > drivers/char/hw_random/omap3-rom-rng.c | 17 ++++++++++-- > 4 files changed, 49 insertions(+), 13 deletions(-) > create mode 100644 Documentation/devicetree/bindings/rng/omap3_rom_rng.txt > Acked-by: Rob Herring