From patchwork Wed Jul 1 13:52:47 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subrata Modak X-Patchwork-Id: 29349 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by bilbo.ozlabs.org (Postfix) with ESMTPS id 8269FB711F for ; Wed, 1 Jul 2009 23:59:05 +1000 (EST) Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1MM0GN-00054i-Eh; Wed, 01 Jul 2009 13:54:15 +0000 Received: from e8.ny.us.ibm.com ([32.97.182.138]) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1MM0Fy-0004a7-Iy for linux-mtd@lists.infradead.org; Wed, 01 Jul 2009 13:54:08 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e8.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n61DguKZ015546 for ; Wed, 1 Jul 2009 09:42:56 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n61DriXW210494 for ; Wed, 1 Jul 2009 09:53:44 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n61DrhQg007682 for ; Wed, 1 Jul 2009 09:53:44 -0400 Received: from subratamodak.linux.ibm.com ([9.124.222.30]) by d01av01.pok.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id n61DraXL003929; Wed, 1 Jul 2009 09:53:37 -0400 From: Subrata Modak To: linux-mtd@lists.infradead.org, dwmw2@infradead.org Date: Wed, 01 Jul 2009 19:22:47 +0530 Message-Id: <20090701135247.27488.10776.sendpatchset@subratamodak.linux.ibm.com> Subject: [PATCH Resend] Remove 'SBC8240 Wind River' Device Driver Code X-Spam-Score: -4.0 (----) X-Spam-Report: SpamAssassin version 3.2.5 on bombadil.infradead.org summary: Content analysis details: (-4.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -4.0 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [32.97.182.138 listed in list.dnswl.org] Cc: carolyn.j.smith@exgate.tek.com, Stephen Rothwell , Jim Cromie , David Woodhouse , linux-kernel , Linuxppc-dev , Sachin P Sant , linux-next , Scott Wood , Subrata Modak , Balbir Singh X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Hi, Linux next tree(20090626) produced the following build error: CC [M] drivers/mtd/maps/sbc8240.o drivers/mtd/maps/sbc8240.c:31:1: warning: "DEBUG" redefined In file included from drivers/mtd/maps/sbc8240.c:23: include/linux/mtd/mtd.h:333:1: warning: this is the location of the previous definition drivers/mtd/maps/sbc8240.c: In function 'init_sbc8240_mtd': drivers/mtd/maps/sbc8240.c:172: warning: passing argument 1 of 'simple_map_init' from incompatible pointer type drivers/mtd/maps/sbc8240.c:177: error: 'struct mtd_info' has no member named 'module' make[3]: *** [drivers/mtd/maps/sbc8240.o] Error 1 make[2]: *** [drivers/mtd/maps] Error 2 make[1]: *** [drivers/mtd] Error 2 make: *** [drivers] Error 2 I remember reporting this back in April, when it was suggested to remove the code as it is no more used: http://lkml.org/lkml/2009/4/21/476, I tried to gather some more info about this driver from the link mentioned in Kconfig: http://www.windriver.com/products/sbc8240/, without much success. The original author of this driver code has no problem, as she has expressed by the following mail: >On Tue, 2009-06-30 at 09:37 -0700, carolyn.j.smith@tektronix.com wrote: >Hello Subrata, > > I am the original author of this file and have no objection to its removal > from the 2.6 kernel. I added it to the 2.4 kernel when I ported Linux to > the SBC8240 board many years ago. I haven't used the board in several years. > > Regards, > Carolyn > Last time i did not address: linux-mtd@lists.infradead.org. If there are no issues, can you please apply this patch to remove it ? To: linux-mtd@lists.infradead.org, Cc: David Woodhouse , Cc: Scott Wood , Cc: Jim Cromie , Cc: carolyn.j.smith@exgate.tek.com, Cc: dwmw2@infradead.org, Cc: Sachin P Sant , Cc: Balbir Singh , Cc: Stephen Rothwell , Cc: linux-kernel , Cc: Linuxppc-dev , Cc: linux-next , --- Signed-off-by: Subrata Modak Tested-on-PPC64-by: Subrata Modak --- --- Regards-- Subrata diff -uprN a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig --- a/drivers/mtd/maps/Kconfig 2009-06-26 07:36:23.000000000 -0500 +++ b/drivers/mtd/maps/Kconfig 2009-06-26 07:39:34.000000000 -0500 @@ -284,13 +284,6 @@ config MTD_L440GX BE VERY CAREFUL. -config MTD_SBC8240 - tristate "Flash device on SBC8240" - depends on MTD_JEDECPROBE && 8260 - help - Flash access on the SBC8240 board from Wind River. See - - config MTD_TQM8XXL tristate "CFI Flash device mapped on TQM8XXL" depends on MTD_CFI && TQM8xxL diff -uprN a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile --- a/drivers/mtd/maps/Makefile 2009-06-26 07:36:23.000000000 -0500 +++ b/drivers/mtd/maps/Makefile 2009-06-26 07:40:03.000000000 -0500 @@ -50,7 +50,6 @@ obj-$(CONFIG_MTD_UCLINUX) += uclinux.o obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o -obj-$(CONFIG_MTD_SBC8240) += sbc8240.o obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o obj-$(CONFIG_MTD_IXP2000) += ixp2000.o obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o diff -uprN a/drivers/mtd/maps/sbc8240.c b/drivers/mtd/maps/sbc8240.c --- a/drivers/mtd/maps/sbc8240.c 2009-06-26 07:36:23.000000000 -0500 +++ b/drivers/mtd/maps/sbc8240.c 1969-12-31 18:00:00.000000000 -0600 @@ -1,250 +0,0 @@ -/* - * Handle mapping of the flash memory access routines on the SBC8240 board. - * - * Carolyn Smith, Tektronix, Inc. - * - * This code is GPLed - */ - -/* - * The SBC8240 has 2 flash banks. - * Bank 0 is a 512 KiB AMD AM29F040B; 8 x 64 KiB sectors. - * It contains the U-Boot code (7 sectors) and the environment (1 sector). - * Bank 1 is 4 x 1 MiB AMD AM29LV800BT; 15 x 64 KiB sectors, 1 x 32 KiB sector, - * 2 x 8 KiB sectors, 1 x 16 KiB sectors. - * Both parts are JEDEC compatible. - */ - -#include -#include -#include -#include - -#include -#include -#include - -#ifdef CONFIG_MTD_PARTITIONS -#include -#endif - -#define DEBUG - -#ifdef DEBUG -# define debugk(fmt,args...) printk(fmt ,##args) -#else -# define debugk(fmt,args...) -#endif - - -#define WINDOW_ADDR0 0xFFF00000 /* 512 KiB */ -#define WINDOW_SIZE0 0x00080000 -#define BUSWIDTH0 1 - -#define WINDOW_ADDR1 0xFF000000 /* 4 MiB */ -#define WINDOW_SIZE1 0x00400000 -#define BUSWIDTH1 8 - -#define MSG_PREFIX "sbc8240:" /* prefix for our printk()'s */ -#define MTDID "sbc8240-%d" /* for mtdparts= partitioning */ - - -static struct map_info sbc8240_map[2] = { - { - .name = "sbc8240 Flash Bank #0", - .size = WINDOW_SIZE0, - .bankwidth = BUSWIDTH0, - }, - { - .name = "sbc8240 Flash Bank #1", - .size = WINDOW_SIZE1, - .bankwidth = BUSWIDTH1, - } -}; - -#define NUM_FLASH_BANKS ARRAY_SIZE(sbc8240_map) - -/* - * The following defines the partition layout of SBC8240 boards. - * - * See include/linux/mtd/partitions.h for definition of the - * mtd_partition structure. - * - * The *_max_flash_size is the maximum possible mapped flash size - * which is not necessarily the actual flash size. It must correspond - * to the value specified in the mapping definition defined by the - * "struct map_desc *_io_desc" for the corresponding machine. - */ - -#ifdef CONFIG_MTD_PARTITIONS - -static struct mtd_partition sbc8240_uboot_partitions [] = { - /* Bank 0 */ - { - .name = "U-boot", /* U-Boot Firmware */ - .offset = 0, - .size = 0x00070000, /* 7 x 64 KiB sectors */ - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - { - .name = "environment", /* U-Boot environment */ - .offset = 0x00070000, - .size = 0x00010000, /* 1 x 64 KiB sector */ - }, -}; - -static struct mtd_partition sbc8240_fs_partitions [] = { - { - .name = "jffs", /* JFFS filesystem */ - .offset = 0, - .size = 0x003C0000, /* 4 * 15 * 64KiB */ - }, - { - .name = "tmp32", - .offset = 0x003C0000, - .size = 0x00020000, /* 4 * 32KiB */ - }, - { - .name = "tmp8a", - .offset = 0x003E0000, - .size = 0x00008000, /* 4 * 8KiB */ - }, - { - .name = "tmp8b", - .offset = 0x003E8000, - .size = 0x00008000, /* 4 * 8KiB */ - }, - { - .name = "tmp16", - .offset = 0x003F0000, - .size = 0x00010000, /* 4 * 16KiB */ - } -}; - -/* trivial struct to describe partition information */ -struct mtd_part_def -{ - int nums; - unsigned char *type; - struct mtd_partition* mtd_part; -}; - -static struct mtd_info *sbc8240_mtd[NUM_FLASH_BANKS]; -static struct mtd_part_def sbc8240_part_banks[NUM_FLASH_BANKS]; - - -#endif /* CONFIG_MTD_PARTITIONS */ - - -static int __init init_sbc8240_mtd (void) -{ - static struct _cjs { - u_long addr; - u_long size; - } pt[NUM_FLASH_BANKS] = { - { - .addr = WINDOW_ADDR0, - .size = WINDOW_SIZE0 - }, - { - .addr = WINDOW_ADDR1, - .size = WINDOW_SIZE1 - }, - }; - - int devicesfound = 0; - int i,j; - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - printk (KERN_NOTICE MSG_PREFIX - "Probing 0x%08lx at 0x%08lx\n", pt[i].size, pt[i].addr); - - sbc8240_map[i].map_priv_1 = - (unsigned long) ioremap (pt[i].addr, pt[i].size); - if (!sbc8240_map[i].map_priv_1) { - printk (MSG_PREFIX "failed to ioremap\n"); - for (j = 0; j < i; j++) { - iounmap((void *) sbc8240_map[j].map_priv_1); - sbc8240_map[j].map_priv_1 = 0; - } - return -EIO; - } - simple_map_init(&sbc8240_mtd[i]); - - sbc8240_mtd[i] = do_map_probe("jedec_probe", &sbc8240_map[i]); - - if (sbc8240_mtd[i]) { - sbc8240_mtd[i]->module = THIS_MODULE; - devicesfound++; - } else { - if (sbc8240_map[i].map_priv_1) { - iounmap((void *) sbc8240_map[i].map_priv_1); - sbc8240_map[i].map_priv_1 = 0; - } - } - } - - if (!devicesfound) { - printk(KERN_NOTICE MSG_PREFIX - "No suppported flash chips found!\n"); - return -ENXIO; - } - -#ifdef CONFIG_MTD_PARTITIONS - sbc8240_part_banks[0].mtd_part = sbc8240_uboot_partitions; - sbc8240_part_banks[0].type = "static image"; - sbc8240_part_banks[0].nums = ARRAY_SIZE(sbc8240_uboot_partitions); - sbc8240_part_banks[1].mtd_part = sbc8240_fs_partitions; - sbc8240_part_banks[1].type = "static file system"; - sbc8240_part_banks[1].nums = ARRAY_SIZE(sbc8240_fs_partitions); - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - - if (!sbc8240_mtd[i]) continue; - if (sbc8240_part_banks[i].nums == 0) { - printk (KERN_NOTICE MSG_PREFIX - "No partition info available, registering whole device\n"); - add_mtd_device(sbc8240_mtd[i]); - } else { - printk (KERN_NOTICE MSG_PREFIX - "Using %s partition definition\n", sbc8240_part_banks[i].mtd_part->name); - add_mtd_partitions (sbc8240_mtd[i], - sbc8240_part_banks[i].mtd_part, - sbc8240_part_banks[i].nums); - } - } -#else - printk(KERN_NOTICE MSG_PREFIX - "Registering %d flash banks at once\n", devicesfound); - - for (i = 0; i < devicesfound; i++) { - add_mtd_device(sbc8240_mtd[i]); - } -#endif /* CONFIG_MTD_PARTITIONS */ - - return devicesfound == 0 ? -ENXIO : 0; -} - -static void __exit cleanup_sbc8240_mtd (void) -{ - int i; - - for (i = 0; i < NUM_FLASH_BANKS; i++) { - if (sbc8240_mtd[i]) { - del_mtd_device (sbc8240_mtd[i]); - map_destroy (sbc8240_mtd[i]); - } - if (sbc8240_map[i].map_priv_1) { - iounmap ((void *) sbc8240_map[i].map_priv_1); - sbc8240_map[i].map_priv_1 = 0; - } - } -} - -module_init (init_sbc8240_mtd); -module_exit (cleanup_sbc8240_mtd); - -MODULE_LICENSE ("GPL"); -MODULE_AUTHOR ("Carolyn Smith "); -MODULE_DESCRIPTION ("MTD map driver for SBC8240 boards"); -