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[46.91.226.206]) by smtp.gmail.com with ESMTPSA id y13sm25466006wrg.8.2019.10.01.08.04.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2019 08:04:13 -0700 (PDT) Date: Tue, 1 Oct 2019 17:04:12 +0200 From: Thierry Reding To: Nagarjuna Kristam Cc: jonathanh@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Patch V2] soc/tegra: fuse: Add fuse clock check in tegra_fuse_readl Message-ID: <20191001150412.GG3566931@ulmo> References: <1567508212-1194-1-git-send-email-nkristam@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uc35eWnScqDcQrv5" Content-Disposition: inline In-Reply-To: <1567508212-1194-1-git-send-email-nkristam@nvidia.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --uc35eWnScqDcQrv5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 03, 2019 at 04:26:52PM +0530, Nagarjuna Kristam wrote: > tegra_fuse_readl() can be called from drivers at any time. If this API is > called before tegra_fuse_probe(), we end up enabling clock before it is > registered. Add check for fuse clock in tegra_fuse_readl() and return > corresponding error if any. >=20 > Signed-off-by: Nagarjuna Kristam > --- > V2: > - Added Null and other error checks for fuse->clk. > --- > drivers/soc/tegra/fuse/fuse-tegra.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Applied to for-5.5/soc, thanks. 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