From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp10.smtpout.orange.fr ([80.12.242.132] helo=smtp.smtpout.orange.fr) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z0E7N-0003Nt-MY for linux-mtd@lists.infradead.org; Wed, 03 Jun 2015 19:14:26 +0000 From: Robert Jarzmik To: Antoine Tenart Subject: Re: [PATCH 2/7] Documentation: bindings: document the clocks for pxa3xx-nand References: <1433266351-22587-1-git-send-email-antoine.tenart@free-electrons.com> <1433266351-22587-3-git-send-email-antoine.tenart@free-electrons.com> Date: Wed, 03 Jun 2015 21:12:28 +0200 In-Reply-To: <1433266351-22587-3-git-send-email-antoine.tenart@free-electrons.com> (Antoine Tenart's message of "Tue, 2 Jun 2015 19:32:26 +0200") Message-ID: <87fv6861yb.fsf@belgarion.home> MIME-Version: 1.0 Content-Type: text/plain Cc: zmxu@marvell.com, boris.brezillon@free-electrons.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, ezequiel.garcia@free-electrons.com, jszhang@marvell.com, computersforpeace@gmail.com, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org, sebastian.hesselbarth@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Antoine Tenart writes: > The pxa3xx nand driver requires at least one clock to probe correctly. > A second one, named 'ecc' can be specified if needed. Add the > corresponding documentation. Is it mandatory, really ? The code does : info->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(info->clk)) { dev_err(&pdev->dev, "failed to get nand clock\n"); return PTR_ERR(info->clk); } info->clk can very well be NULL, can't it ? Cheers. -- Robert