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Wed, 14 Jan 2026 02:09:26 -0800 (PST) Received: from gentoo.sknt.ru ([188.243.23.53]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59ba104588dsm555771e87.73.2026.01.14.02.09.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jan 2026 02:09:25 -0800 (PST) From: Alexander Shiyan To: barebox@lists.infradead.org Cc: Alexander Shiyan Date: Wed, 14 Jan 2026 13:09:23 +0300 Message-ID: <20260114100923.1164051-1-eagle.alexander923@gmail.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260114_020929_615874_CC0C8B98 X-CRM114-Status: GOOD ( 13.43 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.0 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_GMAIL_RCVD,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] mtd: nand: mxc_nand: use clk_get_optional for clock handling X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On some platforms like i.MX51, the clock driver does not support GATE clocks, and the clocks are always on. The current driver uses clk_get which fails when the clock is not found, preventing the driver from probing. This patch changes clk_get to clk_get_optional, allowing the driver to continue probing even if the clock is not provided, assuming it is always enabled. Signed-off-by: Alexander Shiyan --- drivers/mtd/nand/raw/mxc_nand.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c index de2ad2a028..e328eb0815 100644 --- a/drivers/mtd/nand/raw/mxc_nand.c +++ b/drivers/mtd/nand/raw/mxc_nand.c @@ -1809,7 +1809,8 @@ static int mxcnd_probe(struct device *dev) nand_set_controller_data(this, host); nand_set_flash_node(this, dev->of_node); - host->clk = clk_get(dev, NULL); + /* Clock support might not be implemented, so use the optional variant */ + host->clk = clk_get_optional(dev, NULL); if (IS_ERR(host->clk)) return PTR_ERR(host->clk); -- 2.52.0