From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758237AbZD1ELb (ORCPT ); Tue, 28 Apr 2009 00:11:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752255AbZD1EHt (ORCPT ); Tue, 28 Apr 2009 00:07:49 -0400 Received: from hera.kernel.org ([140.211.167.34]:38790 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752113AbZD1EHs (ORCPT ); Tue, 28 Apr 2009 00:07:48 -0400 From: Tejun Heo To: axboe@kernel.dk, linux-kernel@vger.kernel.org, donari75@gmail.com, bzolnier@gmail.com, joerg@dorchain.net, geert@linux-m68k.org, davem@davemloft.net, jdike@linux.intel.com, benh@kernel.crashing.org, Laurent@lvivier.info Cc: Tejun Heo Subject: [PATCH 13/14] mg_disk: fix dependency on libata Date: Tue, 28 Apr 2009 13:06:16 +0900 Message-Id: <1240891577-4813-14-git-send-email-tj@kernel.org> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1240891577-4813-1-git-send-email-tj@kernel.org> References: <1240891577-4813-1-git-send-email-tj@kernel.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Tue, 28 Apr 2009 04:06:30 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bartlomiej Zolnierkiewicz Add local copies of ata_id_string() and ata_id_c_string() to mg_disk so there is no need for the driver to depend on ATA and SCSI. [ Impact: break dependency on libata by copying ata id string functions ] Cc: unsik Kim Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Tejun Heo --- drivers/block/Kconfig | 2 +- drivers/block/mg_disk.c | 44 ++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 41 insertions(+), 5 deletions(-) diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index ddea8e4..f42fa50 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -412,7 +412,7 @@ config ATA_OVER_ETH config MG_DISK tristate "mGine mflash, gflash support" - depends on ARM && ATA && GPIOLIB + depends on ARM && GPIOLIB help mGine mFlash(gFlash) block device driver diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index 1a4cc96..8e53cae 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -17,7 +17,7 @@ #include #include #include -#include +#include #include #include #include @@ -357,6 +357,42 @@ static irqreturn_t mg_irq(int irq, void *dev_id) return IRQ_HANDLED; } +/* local copy of ata_id_string() */ +static void mg_id_string(const u16 *id, unsigned char *s, + unsigned int ofs, unsigned int len) +{ + unsigned int c; + + BUG_ON(len & 1); + + while (len > 0) { + c = id[ofs] >> 8; + *s = c; + s++; + + c = id[ofs] & 0xff; + *s = c; + s++; + + ofs++; + len -= 2; + } +} + +/* local copy of ata_id_c_string() */ +static void mg_id_c_string(const u16 *id, unsigned char *s, + unsigned int ofs, unsigned int len) +{ + unsigned char *p; + + mg_id_string(id, s, ofs, len - 1); + + p = s + strnlen(s, len - 1); + while (p > s && p[-1] == ' ') + p--; + *p = '\0'; +} + static int mg_get_disk_id(struct mg_host *host) { u32 i; @@ -403,9 +439,9 @@ static int mg_get_disk_id(struct mg_host *host) host->n_sectors -= host->nres_sectors; } - ata_id_c_string(id, fwrev, ATA_ID_FW_REV, sizeof(fwrev)); - ata_id_c_string(id, model, ATA_ID_PROD, sizeof(model)); - ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial)); + mg_id_c_string(id, fwrev, ATA_ID_FW_REV, sizeof(fwrev)); + mg_id_c_string(id, model, ATA_ID_PROD, sizeof(model)); + mg_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial)); printk(KERN_INFO "mg_disk: model: %s\n", model); printk(KERN_INFO "mg_disk: firm: %.8s\n", fwrev); printk(KERN_INFO "mg_disk: serial: %s\n", serial); -- 1.6.0.2