From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Sun, 3 Jan 2016 13:36:46 +0000 Subject: [PATCH v4 1/3] ACPI: amba bus probing support In-Reply-To: <1450880383-29560-2-git-send-email-aleksey.makarov@linaro.org> References: <1450880383-29560-1-git-send-email-aleksey.makarov@linaro.org> <1450880383-29560-2-git-send-email-aleksey.makarov@linaro.org> Message-ID: <20160103133645.GC5779@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Dec 23, 2015 at 05:19:40PM +0300, Aleksey Makarov wrote: > + dev = amba_device_alloc(NULL, 0, 0); > + if (!dev) { > + dev_err(&adev->dev, "%s(): amba_device_alloc() failed\n", > + __func__); > + return -ENOMEM; > + } ... > + /* > + * If the ACPI node has a parent and that parent has a physical device > + * attached to it, that physical device should be the parent of the > + * platform device we are about to create. > + */ > + dev->dev.parent = NULL; No need to initialise this; amba_device_alloc() uses kzalloc(), and so dev->dev.parent will already be NULL. ... > + dev_set_name(&dev->dev, "%s", dev_name(&adev->dev)); Is there a reason not to use: dev = amba_device_alloc(dev_name(&adev->dev), 0, 0); above? -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.