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[86.210.138.218]) by smtp.gmail.com with ESMTPSA id w203sm7560646wmg.14.2016.03.20.12.34.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 20 Mar 2016 12:34:49 -0700 (PDT) From: Christophe Ricard X-Google-Original-From: Christophe Ricard To: jarkko.sakkinen@linux.intel.com Date: Sun, 20 Mar 2016 20:34:32 +0100 Message-Id: <1458502483-16887-2-git-send-email-christophe-h.ricard@st.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1458502483-16887-1-git-send-email-christophe-h.ricard@st.com> References: <1458502483-16887-1-git-send-email-christophe-h.ricard@st.com> X-Spam-Score: -1.6 (-) X-Headers-End: 1ahj7o-0002w3-KD Cc: jean-luc.blanc@st.com, ashley@ashleylai.com, tpmdd-devel@lists.sourceforge.net, christophe-h.ricard@st.com, benoit.houyere@st.com Subject: [tpmdd-devel] [PATCH 01/12] tpm/st33zp24/i2c: Drop two useless checks in ACPI probe path X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,HK_RANDOM_ENVFROM,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When st33zp24_i2c_acpi_request_resources() gets called we already know that the entries in ->acpi_match_table have matched ACPI ID of the device. In addition I2C client pointer cannot be NULL in any case (otherwise I2C core would not call ->probe() for the driver in the first place). Drop the two useless checks from the driver. Signed-off-by: Christophe Ricard --- drivers/char/tpm/st33zp24/i2c.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c index f179aad..f8e8123 100644 --- a/drivers/char/tpm/st33zp24/i2c.c +++ b/drivers/char/tpm/st33zp24/i2c.c @@ -113,19 +113,8 @@ static const struct st33zp24_phy_ops i2c_phy_ops = { static int st33zp24_i2c_acpi_request_resources(struct i2c_client *client) { struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client); - const struct acpi_device_id *id; struct gpio_desc *gpiod_lpcpd; - struct device *dev; - - if (!client) - return -EINVAL; - - dev = &client->dev; - - /* Match the struct device against a given list of ACPI IDs */ - id = acpi_match_device(dev->driver->acpi_match_table, dev); - if (!id) - return -ENODEV; + struct device *dev = &client->dev; /* Get LPCPD GPIO from ACPI */ gpiod_lpcpd = devm_gpiod_get_index(dev, "TPM IO LPCPD", 1,