From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755849AbZDYNIY (ORCPT ); Sat, 25 Apr 2009 09:08:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754134AbZDYNHj (ORCPT ); Sat, 25 Apr 2009 09:07:39 -0400 Received: from mail-fx0-f158.google.com ([209.85.220.158]:56995 "EHLO mail-fx0-f158.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752775AbZDYNHi (ORCPT ); Sat, 25 Apr 2009 09:07:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:mime-version:content-type :content-transfer-encoding:content-disposition:message-id; b=eDC8XLT2G9txm4Wx57dyZxn6vUiB46T8m7BknxzNUyc0moGMEOr3CG8mDtWjVjgyCl g1wD/OpZKOJ8tGCAm9Ps3iwYIdzzAefuNVTW9XpoKcQwoDbGhZu/MZPklATP/OAB4S75 NIHovCpdzcYS40kGCSMHlrZq12j5G9CMjigPQ= From: Bartlomiej Zolnierkiewicz To: unsik Kim Subject: [PATCH 3/3] mg_disk: use defines from Date: Sat, 25 Apr 2009 15:10:03 +0200 User-Agent: KMail/1.11.2 (Linux/2.6.29-next-20090403; KDE/4.2.2; i686; ; ) Cc: Tejun Heo , linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904251510.03924.bzolnier@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While at it: - remove MG_REG_HEAD_MUST_BE_ON define - remove MG_REG_CTRL_INTR_ENABLE define - remove MG_REG_HEAD_LBA_MODE define - remove unused defines Cc: unsik Kim Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/block/mg_disk.c | 143 ++++++++++++++---------------------------------- 1 file changed, 43 insertions(+), 100 deletions(-) Index: b/drivers/block/mg_disk.c =================================================================== --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -50,51 +50,10 @@ #define MG_REG_DRV_CTRL (MG_REG_OFFSET + 0x10) #define MG_REG_BURST_CTRL (MG_REG_OFFSET + 0x12) -/* "Drive Select/Head Register" bit values */ -#define MG_REG_HEAD_MUST_BE_ON 0xA0 /* These 2 bits are always on */ -#define MG_REG_HEAD_DRIVE_MASTER (0x00 | MG_REG_HEAD_MUST_BE_ON) -#define MG_REG_HEAD_DRIVE_SLAVE (0x10 | MG_REG_HEAD_MUST_BE_ON) -#define MG_REG_HEAD_LBA_MODE (0x40 | MG_REG_HEAD_MUST_BE_ON) - - -/* "Device Control Register" bit values */ -#define MG_REG_CTRL_INTR_ENABLE 0x0 -#define MG_REG_CTRL_INTR_DISABLE (0x1<<1) -#define MG_REG_CTRL_RESET (0x1<<2) -#define MG_REG_CTRL_INTR_POLA_ACTIVE_HIGH 0x0 -#define MG_REG_CTRL_INTR_POLA_ACTIVE_LOW (0x1<<4) -#define MG_REG_CTRL_DPD_POLA_ACTIVE_LOW 0x0 -#define MG_REG_CTRL_DPD_POLA_ACTIVE_HIGH (0x1<<5) -#define MG_REG_CTRL_DPD_DISABLE 0x0 -#define MG_REG_CTRL_DPD_ENABLE (0x1<<6) - -/* Status register bit */ -/* error bit in status register */ -#define MG_REG_STATUS_BIT_ERROR 0x01 -/* corrected error in status register */ -#define MG_REG_STATUS_BIT_CORRECTED_ERROR 0x04 -/* data request bit in status register */ -#define MG_REG_STATUS_BIT_DATA_REQ 0x08 -/* DSC - Drive Seek Complete */ -#define MG_REG_STATUS_BIT_SEEK_DONE 0x10 -/* DWF - Drive Write Fault */ -#define MG_REG_STATUS_BIT_WRITE_FAULT 0x20 -#define MG_REG_STATUS_BIT_READY 0x40 -#define MG_REG_STATUS_BIT_BUSY 0x80 - /* handy status */ -#define MG_STAT_READY (MG_REG_STATUS_BIT_READY | MG_REG_STATUS_BIT_SEEK_DONE) -#define MG_READY_OK(s) (((s) & (MG_STAT_READY | \ - (MG_REG_STATUS_BIT_BUSY | \ - MG_REG_STATUS_BIT_WRITE_FAULT | \ - MG_REG_STATUS_BIT_ERROR))) == MG_STAT_READY) - -/* Error register */ -#define MG_REG_ERR_AMNF 0x01 -#define MG_REG_ERR_ABRT 0x04 -#define MG_REG_ERR_IDNF 0x10 -#define MG_REG_ERR_UNC 0x40 -#define MG_REG_ERR_BBK 0x80 +#define MG_STAT_READY (ATA_DRDY | ATA_DSC) +#define MG_READY_OK(s) (((s) & (MG_STAT_READY | (ATA_BUSY | ATA_DF | \ + ATA_ERR))) == MG_STAT_READY) /* error code for others */ #define MG_ERR_NONE 0 @@ -224,41 +183,39 @@ static void mg_dump_status(const char *m } printk(KERN_ERR "%s: %s: status=0x%02x { ", name, msg, stat & 0xff); - if (stat & MG_REG_STATUS_BIT_BUSY) + if (stat & ATA_BUSY) printk("Busy "); - if (stat & MG_REG_STATUS_BIT_READY) + if (stat & ATA_DRDY) printk("DriveReady "); - if (stat & MG_REG_STATUS_BIT_WRITE_FAULT) + if (stat & ATA_DF) printk("WriteFault "); - if (stat & MG_REG_STATUS_BIT_SEEK_DONE) + if (stat & ATA_DSC) printk("SeekComplete "); - if (stat & MG_REG_STATUS_BIT_DATA_REQ) + if (stat & ATA_DRQ) printk("DataRequest "); - if (stat & MG_REG_STATUS_BIT_CORRECTED_ERROR) + if (stat & ATA_CORR) printk("CorrectedError "); - if (stat & MG_REG_STATUS_BIT_ERROR) + if (stat & ATA_ERR) printk("Error "); printk("}\n"); - if ((stat & MG_REG_STATUS_BIT_ERROR) == 0) { + if ((stat & ATA_ERR) == 0) { host->error = 0; } else { host->error = inb((unsigned long)host->dev_base + MG_REG_ERROR); printk(KERN_ERR "%s: %s: error=0x%02x { ", name, msg, host->error & 0xff); - if (host->error & MG_REG_ERR_BBK) + if (host->error & ATA_BBK) printk("BadSector "); - if (host->error & MG_REG_ERR_UNC) + if (host->error & ATA_UNC) printk("UncorrectableError "); - if (host->error & MG_REG_ERR_IDNF) + if (host->error & ATA_IDNF) printk("SectorIdNotFound "); - if (host->error & MG_REG_ERR_ABRT) + if (host->error & ATA_ABORTED) printk("DriveStatusError "); - if (host->error & MG_REG_ERR_AMNF) + if (host->error & ATA_AMNF) printk("AddrMarkNotFound "); printk("}"); - if (host->error & - (MG_REG_ERR_BBK | MG_REG_ERR_UNC | - MG_REG_ERR_IDNF | MG_REG_ERR_AMNF)) { + if (host->error & (ATA_BBK | ATA_UNC | ATA_IDNF | ATA_AMNF)) { if (host->breq) { req = elv_next_request(host->breq); if (req) @@ -283,12 +240,12 @@ static unsigned int mg_wait(struct mg_ho do { cur_jiffies = jiffies; - if (status & MG_REG_STATUS_BIT_BUSY) { - if (expect == MG_REG_STATUS_BIT_BUSY) + if (status & ATA_BUSY) { + if (expect == ATA_BUSY) break; } else { /* Check the error condition! */ - if (status & MG_REG_STATUS_BIT_ERROR) { + if (status & ATA_ERR) { mg_dump_status("mg_wait", status, host); break; } @@ -297,8 +254,8 @@ static unsigned int mg_wait(struct mg_ho if (MG_READY_OK(status)) break; - if (expect == MG_REG_STATUS_BIT_DATA_REQ) - if (status & MG_REG_STATUS_BIT_DATA_REQ) + if (expect == ATA_DRQ) + if (status & ATA_DRQ) break; } if (!msec) { @@ -403,12 +360,10 @@ static int mg_get_disk_id(struct mg_host char serial[ATA_ID_SERNO_LEN + 1]; if (!prv_data->use_polling) - outb(MG_REG_CTRL_INTR_DISABLE, - (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(ATA_NIEN, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); outb(MG_CMD_ID, (unsigned long)host->dev_base + MG_REG_COMMAND); - err = mg_wait(host, MG_REG_STATUS_BIT_DATA_REQ, MG_TMAX_WAIT_RD_DRQ); + err = mg_wait(host, ATA_DRQ, MG_TMAX_WAIT_RD_DRQ); if (err) return err; @@ -448,8 +403,7 @@ static int mg_get_disk_id(struct mg_host host->n_sectors, host->nres_sectors); if (!prv_data->use_polling) - outb(MG_REG_CTRL_INTR_ENABLE, (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(0, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); return err; } @@ -463,7 +417,7 @@ static int mg_disk_init(struct mg_host * /* hdd rst low */ gpio_set_value(host->rst, 0); - err = mg_wait(host, MG_REG_STATUS_BIT_BUSY, MG_TMAX_RST_TO_BUSY); + err = mg_wait(host, ATA_BUSY, MG_TMAX_RST_TO_BUSY); if (err) return err; @@ -474,17 +428,14 @@ static int mg_disk_init(struct mg_host * return err; /* soft reset on */ - outb(MG_REG_CTRL_RESET | - (prv_data->use_polling ? MG_REG_CTRL_INTR_DISABLE : - MG_REG_CTRL_INTR_ENABLE), + outb(ATA_SRST | (prv_data->use_polling ? ATA_NIEN : 0), (unsigned long)host->dev_base + MG_REG_DRV_CTRL); - err = mg_wait(host, MG_REG_STATUS_BIT_BUSY, MG_TMAX_RST_TO_BUSY); + err = mg_wait(host, ATA_BUSY, MG_TMAX_RST_TO_BUSY); if (err) return err; /* soft reset off */ - outb(prv_data->use_polling ? MG_REG_CTRL_INTR_DISABLE : - MG_REG_CTRL_INTR_ENABLE, + outb(prv_data->use_polling ? ATA_NIEN : 0, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); err = mg_wait(host, MG_STAT_READY, MG_TMAX_SWRST_TO_RDY); if (err) @@ -530,7 +481,7 @@ static unsigned int mg_out(struct mg_hos MG_REG_CYL_LOW); outb((u8)(sect_num >> 16), (unsigned long)host->dev_base + MG_REG_CYL_HIGH); - outb((u8)((sect_num >> 24) | MG_REG_HEAD_LBA_MODE), + outb((u8)((sect_num >> 24) | ATA_LBA | ATA_DEVICE_OBS), (unsigned long)host->dev_base + MG_REG_DRV_HEAD); outb(cmd, (unsigned long)host->dev_base + MG_REG_COMMAND); return MG_ERR_NONE; @@ -558,7 +509,7 @@ static void mg_read(struct request *req) req->nr_sectors, req->sector, req->buffer); do { - if (mg_wait(host, MG_REG_STATUS_BIT_DATA_REQ, + if (mg_wait(host, ATA_DRQ, MG_TMAX_WAIT_RD_DRQ) != MG_ERR_NONE) { mg_bad_rw_intr(host); return; @@ -595,7 +546,7 @@ static void mg_write(struct request *req MG_DBG("requested %d sects (from %ld), buffer=0x%p\n", req->nr_sectors, req->sector, req->buffer); - if (mg_wait(host, MG_REG_STATUS_BIT_DATA_REQ, + if (mg_wait(host, ATA_DRQ, MG_TMAX_WAIT_WR_DRQ) != MG_ERR_NONE) { mg_bad_rw_intr(host); return; @@ -607,7 +558,7 @@ static void mg_write(struct request *req do { if ((req->nr_sectors > 1) && - mg_wait(host, MG_REG_STATUS_BIT_DATA_REQ, + mg_wait(host, ATA_DRQ, MG_TMAX_WAIT_WR_DRQ) != MG_ERR_NONE) { mg_bad_rw_intr(host); return; @@ -630,11 +581,11 @@ static void mg_read_intr(struct mg_host /* check status */ do { i = inb((unsigned long)host->dev_base + MG_REG_STATUS); - if (i & MG_REG_STATUS_BIT_BUSY) + if (i & ATA_BUSY) break; if (!MG_READY_OK(i)) break; - if (i & MG_REG_STATUS_BIT_DATA_REQ) + if (i & ATA_DRQ) goto ok_to_read; } while (0); mg_dump_status("mg_read_intr", i, host); @@ -675,11 +626,11 @@ static void mg_write_intr(struct mg_host /* check status */ do { i = inb((unsigned long)host->dev_base + MG_REG_STATUS); - if (i & MG_REG_STATUS_BIT_BUSY) + if (i & ATA_BUSY) break; if (!MG_READY_OK(i)) break; - if ((req->nr_sectors <= 1) || (i & MG_REG_STATUS_BIT_DATA_REQ)) + if ((req->nr_sectors <= 1) || (i & ATA_DRQ)) goto ok_to_write; } while (0); mg_dump_status("mg_write_intr", i, host); @@ -764,18 +715,15 @@ static unsigned int mg_issue_req(struct break; case WRITE: /* TODO : handler */ - outb(MG_REG_CTRL_INTR_DISABLE, - (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(ATA_NIEN, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); if (mg_out(host, sect_num, sect_cnt, MG_CMD_WR, &mg_write_intr) != MG_ERR_NONE) { mg_bad_rw_intr(host); return host->error; } del_timer(&host->timer); - mg_wait(host, MG_REG_STATUS_BIT_DATA_REQ, MG_TMAX_WAIT_WR_DRQ); - outb(MG_REG_CTRL_INTR_ENABLE, (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + mg_wait(host, ATA_DRQ, MG_TMAX_WAIT_WR_DRQ); + outb(0, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); if (host->error) { mg_bad_rw_intr(host); return host->error; @@ -856,9 +804,7 @@ static int mg_suspend(struct platform_de return -EIO; if (!prv_data->use_polling) - outb(MG_REG_CTRL_INTR_DISABLE, - (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(ATA_NIEN, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); outb(MG_CMD_SLEEP, (unsigned long)host->dev_base + MG_REG_COMMAND); /* wait until mflash deep sleep */ @@ -866,9 +812,7 @@ static int mg_suspend(struct platform_de if (mg_wait(host, MG_STAT_READY, MG_TMAX_CONF_TO_CMD)) { if (!prv_data->use_polling) - outb(MG_REG_CTRL_INTR_ENABLE, - (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(0, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); return -EIO; } @@ -891,8 +835,7 @@ static int mg_resume(struct platform_dev return -EIO; if (!prv_data->use_polling) - outb(MG_REG_CTRL_INTR_ENABLE, (unsigned long)host->dev_base + - MG_REG_DRV_CTRL); + outb(0, (unsigned long)host->dev_base + MG_REG_DRV_CTRL); return 0; }