Message ID | 20221104171604.24052-1-mailhol.vincent@wanadoo.fr |
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[124.33.176.97]) by smtp.gmail.com with ESMTPSA id u15-20020a17090a450f00b00212c27abcaesm1917655pjg.17.2022.11.04.10.16.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Nov 2022 10:16:33 -0700 (PDT) Sender: Vincent Mailhol <vincent.mailhol@gmail.com> From: Vincent Mailhol <mailhol.vincent@wanadoo.fr> To: linux-can@vger.kernel.org Cc: Marc Kleine-Budde <mkl@pengutronix.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Vincent Mailhol <mailhol.vincent@wanadoo.fr> Subject: [PATCH v2 0/3] can: etas_es58x: report firmware version Date: Sat, 5 Nov 2022 02:16:01 +0900 Message-Id: <20221104171604.24052-1-mailhol.vincent@wanadoo.fr> X-Mailer: git-send-email 2.37.4 In-Reply-To: <20221104073659.414147-1-mailhol.vincent@wanadoo.fr> References: <20221104073659.414147-1-mailhol.vincent@wanadoo.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748586711928769223?= X-GMAIL-MSGID: =?utf-8?q?1748586711928769223?= |
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can: etas_es58x: report firmware version
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Message
Vincent Mailhol
Nov. 4, 2022, 5:16 p.m. UTC
The goal of this series is to report the firmware version of ETAS ES58x devices through ethtool. The easiest way to do so is by using usb_cache_string so that we do not have to manage errors. First patch exports usb_cache_string(). The second patch then does a small cleanup in the existing function and replace existing code with usb_cache_string(). The third and final patch reports the firmware version of the device to the userland through ethtool. * Changelog * v1 -> v2: * was a single patch. It is now a series of three patches. * add a first new patch to export usb_cache_string(). * add a second new patch to apply usb_cache_string() to existing code. * add missing check on product info string to prevent a buffer overflow. * add comma on the last entry of struct es58x_parameters. Vincent Mailhol (3): USB: core: export usb_cache_string() can: etas_es58x: use usb_cache_string() to retrieve the product info string can: etas_es58x: report the firmware version through ethtool drivers/net/can/usb/etas_es58x/es581_4.c | 5 +- drivers/net/can/usb/etas_es58x/es58x_core.c | 75 ++++++++++++--------- drivers/net/can/usb/etas_es58x/es58x_core.h | 8 ++- drivers/net/can/usb/etas_es58x/es58x_fd.c | 5 +- drivers/usb/core/message.c | 1 + drivers/usb/core/usb.h | 1 - include/linux/usb.h | 1 + 7 files changed, 60 insertions(+), 36 deletions(-)