From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SdJpH-0002nl-9k for barebox@lists.infradead.org; Sat, 09 Jun 2012 11:27:27 +0000 Date: Sat, 9 Jun 2012 13:27:25 +0200 From: Sascha Hauer Message-ID: <20120609112725.GI30400@pengutronix.de> References: <1339227266-9398-1-git-send-email-shc_work@mail.ru> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1339227266-9398-1-git-send-email-shc_work@mail.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 1/2] Move /dev/zero to separate unit To: Alexander Shiyan Cc: barebox@lists.infradead.org On Sat, Jun 09, 2012 at 11:34:25AM +0400, Alexander Shiyan wrote: > This patch allows to present "/dev/zero" always in system and not > depending of mem-command. Standard files allow to test other memory > devices, not only "mem", such as NOR, NAND, MCI-devices e.t.c. > > Signed-off-by: Alexander Shiyan Applied to -next. Thanks Sascha > --- > commands/Makefile | 1 + > commands/mem.c | 29 ----------------------------- > commands/stddev.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 52 insertions(+), 29 deletions(-) > create mode 100644 commands/stddev.c > > diff --git a/commands/Makefile b/commands/Makefile > index 4c8a0a9..d39c466 100644 > --- a/commands/Makefile > +++ b/commands/Makefile > @@ -1,3 +1,4 @@ > +obj-y += stddev.o > obj-$(CONFIG_CMD_BOOTM) += bootm.o > obj-$(CONFIG_CMD_UIMAGE) += uimage.o > obj-$(CONFIG_CMD_LINUX16) += linux16.o > diff --git a/commands/mem.c b/commands/mem.c > index 080bfde..9a67cf3 100644 > --- a/commands/mem.c > +++ b/commands/mem.c > @@ -623,32 +623,3 @@ static int mem_init(void) > } > > device_initcall(mem_init); > - > -static ssize_t zero_read(struct cdev *cdev, void *buf, size_t count, ulong offset, ulong flags) > -{ > - memset(buf, 0, count); > - return count; > -} > - > -static struct file_operations zeroops = { > - .read = zero_read, > - .lseek = dev_lseek_default, > -}; > - > -static int zero_init(void) > -{ > - struct cdev *cdev; > - > - cdev = xzalloc(sizeof (*cdev)); > - > - cdev->name = "zero"; > - cdev->size = ~0; > - cdev->ops = &zeroops; > - > - devfs_create(cdev); > - > - return 0; > -} > - > -device_initcall(zero_init); > - > diff --git a/commands/stddev.c b/commands/stddev.c > new file mode 100644 > index 0000000..18fea94 > --- /dev/null > +++ b/commands/stddev.c > @@ -0,0 +1,51 @@ > +/* > + * Copyright (c) 2011 Sascha Hauer , Pengutronix > + * > + * See file CREDITS for list of people who contributed to this > + * project. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 > + * as published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA > + * MA 02111-1307 USA > + */ > + > +#include > +#include > + > +static ssize_t zero_read(struct cdev *cdev, void *buf, size_t count, ulong offset, ulong flags) > +{ > + memset(buf, 0, count); > + return count; > +} > + > +static struct file_operations zeroops = { > + .read = zero_read, > + .lseek = dev_lseek_default, > +}; > + > +static int zero_init(void) > +{ > + struct cdev *cdev; > + > + cdev = xzalloc(sizeof (*cdev)); > + > + cdev->name = "zero"; > + cdev->size = ~0; > + cdev->ops = &zeroops; > + > + devfs_create(cdev); > + > + return 0; > +} > + > +device_initcall(zero_init); > -- > 1.7.3.4 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox