[MTD] NAND use symbols instead of literals
Replace some literals with defined symbols. Signed-off-by: David A. Marlin <dmarlin@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -55,7 +55,7 @@
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* The AG-AND chips have nice features for speed improvement,
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* The AG-AND chips have nice features for speed improvement,
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* which are not supported yet. Read / program 4 pages in one go.
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* which are not supported yet. Read / program 4 pages in one go.
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*
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*
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* $Id: nand_base.c,v 1.128 2005/01/18 16:14:56 gleixner Exp $
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* $Id: nand_base.c,v 1.129 2005/01/23 18:30:50 dmarlin Exp $
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* it under the terms of the GNU General Public License version 2 as
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@ -480,7 +480,7 @@ static int nand_check_wp (struct mtd_info *mtd)
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struct nand_chip *this = mtd->priv;
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struct nand_chip *this = mtd->priv;
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/* Check the WP bit */
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/* Check the WP bit */
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this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1);
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this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1);
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return (this->read_byte(mtd) & 0x80) ? 0 : 1;
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return (this->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1;
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}
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}
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/**
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/**
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@ -585,7 +585,7 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
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this->hwcontrol(mtd, NAND_CTL_SETCLE);
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this->hwcontrol(mtd, NAND_CTL_SETCLE);
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this->write_byte(mtd, NAND_CMD_STATUS);
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this->write_byte(mtd, NAND_CMD_STATUS);
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this->hwcontrol(mtd, NAND_CTL_CLRCLE);
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this->hwcontrol(mtd, NAND_CTL_CLRCLE);
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while ( !(this->read_byte(mtd) & 0x40));
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while ( !(this->read_byte(mtd) & NAND_STATUS_READY));
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return;
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return;
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/* This applies to read commands */
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/* This applies to read commands */
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@ -692,7 +692,7 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
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this->hwcontrol(mtd, NAND_CTL_SETCLE);
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this->hwcontrol(mtd, NAND_CTL_SETCLE);
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this->write_byte(mtd, NAND_CMD_STATUS);
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this->write_byte(mtd, NAND_CMD_STATUS);
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this->hwcontrol(mtd, NAND_CTL_CLRCLE);
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this->hwcontrol(mtd, NAND_CTL_CLRCLE);
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while ( !(this->read_byte(mtd) & 0x40));
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while ( !(this->read_byte(mtd) & NAND_STATUS_READY));
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return;
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return;
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case NAND_CMD_READ0:
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case NAND_CMD_READ0:
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@ -897,7 +897,7 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
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/* call wait ready function */
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/* call wait ready function */
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status = this->waitfunc (mtd, this, FL_WRITING);
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status = this->waitfunc (mtd, this, FL_WRITING);
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/* See if device thinks it succeeded */
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/* See if device thinks it succeeded */
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if (status & 0x01) {
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if (status & NAND_STATUS_FAIL) {
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DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write, page 0x%08x, ", __FUNCTION__, page);
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DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write, page 0x%08x, ", __FUNCTION__, page);
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return -EIO;
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return -EIO;
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}
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}
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@ -1758,7 +1758,7 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
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status = this->waitfunc (mtd, this, FL_WRITING);
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status = this->waitfunc (mtd, this, FL_WRITING);
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/* See if device thinks it succeeded */
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/* See if device thinks it succeeded */
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if (status & 0x01) {
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if (status & NAND_STATUS_FAIL) {
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DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write, page 0x%08x\n", page);
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DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write, page 0x%08x\n", page);
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ret = -EIO;
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ret = -EIO;
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goto out;
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goto out;
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@ -2104,7 +2104,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
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status = this->waitfunc (mtd, this, FL_ERASING);
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status = this->waitfunc (mtd, this, FL_ERASING);
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/* See if block erase succeeded */
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/* See if block erase succeeded */
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if (status & 0x01) {
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if (status & NAND_STATUS_FAIL) {
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DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: " "Failed erase, page 0x%08x\n", page);
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DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: " "Failed erase, page 0x%08x\n", page);
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instr->state = MTD_ERASE_FAILED;
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instr->state = MTD_ERASE_FAILED;
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instr->fail_addr = (page << this->page_shift);
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instr->fail_addr = (page << this->page_shift);
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