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linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 1/2] hwrng: iproc-rng200 - Set the quality value Date: Thu, 14 May 2020 21:07:33 +0200 Message-Id: <20200514190734.32746-2-l.stelmach@samsung.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200514190734.32746-1-l.stelmach@samsung.com> MIME-Version: 1.0 Organization: Samsung R&D Institute Poland X-Brightmail-Tracker: H4sIAAAAAAAAA01SfUyMcRz363ntOD1d0Vde2o7mZVNZzX7mEGN7Zmb+sDGrOHp2opI7Hdm8 hd670qG6iqaoJR1355YoLVS0ujAulkLpzbJZjM5LunvO+O/z/X7eft/txxKyCcqfjYk/JKjj lbFyWkJam8c7lv64WB8VYutdhH/lNTP4VoGRwjeyH5HYll5BYMenhww+XWakcebIHJzT95HA NttNBr9qqkTY1PeSwr094x74eV0xjQtsDR64VN9P4VKrDuEPhWYaf7rej3BLazoR7sP/cOQh 3tDbTvN3DG8Yvsx0n+atjYG8qSqd5u+XVDO8ufwEr7NUIV43fBPxRssLkk9+kkrxY6Z5W6Q7 JIpoITZGK6iDV++S7L2m+0glXGaOPJ/IJE+ic3QG8mSBC4PfFrsLy7hKBA+uqDOQZBJ/QTDR ncaIwxiCnqed1F/Hpc/lpEhUIMhPLXQPgwiGB+4gp4rm1kLO1VbKSfhyZynQf84lnQTBHYaz 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X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200514_120741_860541_18B58948 X-CRM114-Status: GOOD ( 15.12 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [210.118.77.12 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [210.118.77.12 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?=C5=81ukasz_Stelmach?= , Bartlomiej Zolnierkiewicz Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The value has been estimaded by obtainig 1024 chunks of data 128 bytes (1024 bits) each from the generator and finding chunk with minimal entropy using the ent(1) tool. The value was 6.327820 bits of entropy in each 8 bits of data. Signed-off-by: Łukasz Stelmach --- drivers/char/hw_random/iproc-rng200.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c index 32d9fe61a225..7eb02a23f744 100644 --- a/drivers/char/hw_random/iproc-rng200.c +++ b/drivers/char/hw_random/iproc-rng200.c @@ -199,6 +199,7 @@ static int iproc_rng200_probe(struct platform_device *pdev) priv->rng.read = iproc_rng200_read, priv->rng.init = iproc_rng200_init, priv->rng.cleanup = iproc_rng200_cleanup, + priv->rng.quality = 800, /* Register driver */ ret = devm_hwrng_register(dev, &priv->rng);