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[MTD] [NAND] Fix refactoring of EDB7312 hwcontrol function.

The patch ensures that the current code (kernel 2.6.22) uses the bits 
like the code prior to the refactoring. The variable "bits" is employed 
in a useful way now.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Roland Stigge 2007-07-18 14:56:11 +02:00 committed by David Woodhouse
parent 030f9e13be
commit 4a32cfa0f5

View file

@ -74,7 +74,7 @@ static struct mtd_partition partition_info[] = {
/*
* hardware specific access to control-lines
*
* NAND_NCE: bit 0 -> bit 7
* NAND_NCE: bit 0 -> bit 6 (bit 7 = 1)
* NAND_CLE: bit 1 -> bit 4
* NAND_ALE: bit 2 -> bit 5
*/
@ -83,12 +83,12 @@ static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
struct nand_chip *chip = mtd->priv;
if (ctrl & NAND_CTRL_CHANGE) {
unsigned char bits;
unsigned char bits = 0x80;
bits = (ctrl & (NAND_CLE | NAND_ALE)) << 3;
bits = (ctrl & NAND_NCE) << 7;
bits |= (ctrl & (NAND_CLE | NAND_ALE)) << 3;
bits |= (ctrl & NAND_NCE) ? 0x00 : 0x40;
clps_writeb((clps_readb(ep7312_pxdr) & 0xB0) | 0x10,
clps_writeb((clps_readb(ep7312_pxdr) & 0xF0) | bits,
ep7312_pxdr);
}
if (cmd != NAND_CMD_NONE)