add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mtd/devices/pmc551.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * PMC551 PCI Mezzanine Ram Device
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  *
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  * Author:
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  *	Mark Ferrell <mferrell@mvista.com>
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  *	Copyright 1999,2000 Nortel Networks
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- *
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- * License:
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- *	As part of this driver was derived from the slram.c driver it
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- *	falls under the same license, which is GNU General Public
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- *	License v2
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  *
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  * Description:
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  *	This driver is intended to support the PMC551 PCI Ram device
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@@ -139,7 +135,7 @@
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 static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr)
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 {
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 	struct mypriv *priv = mtd->priv;
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-	u32 soff_hi, soff_lo;	/* start address offset hi/lo */
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+	u32 soff_hi;		/* start address offset hi */
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 	u32 eoff_hi, eoff_lo;	/* end address offset hi/lo */
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 	unsigned long end;
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 	u_char *ptr;
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@@ -154,7 +150,6 @@
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 	eoff_hi = end & ~(priv->asize - 1);
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 	soff_hi = instr->addr & ~(priv->asize - 1);
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 	eoff_lo = end & (priv->asize - 1);
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-	soff_lo = instr->addr & (priv->asize - 1);
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 	pmc551_point(mtd, instr->addr, instr->len, &retlen,
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 		     (void **)&ptr, NULL);
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@@ -229,7 +224,7 @@
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 			size_t * retlen, u_char * buf)
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 {
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 	struct mypriv *priv = mtd->priv;
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-	u32 soff_hi, soff_lo;	/* start address offset hi/lo */
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+	u32 soff_hi;		/* start address offset hi */
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 	u32 eoff_hi, eoff_lo;	/* end address offset hi/lo */
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 	unsigned long end;
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 	u_char *ptr;
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@@ -243,7 +238,6 @@
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 	end = from + len - 1;
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 	soff_hi = from & ~(priv->asize - 1);
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 	eoff_hi = end & ~(priv->asize - 1);
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-	soff_lo = from & (priv->asize - 1);
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 	eoff_lo = end & (priv->asize - 1);
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 	pmc551_point(mtd, from, len, retlen, (void **)&ptr, NULL);
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@@ -286,7 +280,7 @@
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 			size_t * retlen, const u_char * buf)
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 {
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 	struct mypriv *priv = mtd->priv;
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-	u32 soff_hi, soff_lo;	/* start address offset hi/lo */
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+	u32 soff_hi;		/* start address offset hi */
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 	u32 eoff_hi, eoff_lo;	/* end address offset hi/lo */
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 	unsigned long end;
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 	u_char *ptr;
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@@ -300,7 +294,6 @@
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 	end = to + len - 1;
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 	soff_hi = to & ~(priv->asize - 1);
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 	eoff_hi = end & ~(priv->asize - 1);
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-	soff_lo = to & (priv->asize - 1);
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 	eoff_lo = end & (priv->asize - 1);
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 	pmc551_point(mtd, to, len, retlen, (void **)&ptr, NULL);