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Subject[PATCH] : Mark read-only ISA-PNP function parameters as "const"
Date
Hi,

This is an incredibly boring patch that just adds "const" to some of
the ISA-PNP function prototypes. It compiles cleanly with gcc-2.95.2.

Cheers,
Chris

--- linux-vanilla/include/linux/isapnp.h Sun Dec 31 19:11:06 2000
+++ linux-2.4.0-ac3/include/linux/isapnp.h Wed Jan 10 17:08:28 2001
@@ -188,7 +188,7 @@
struct pci_bus *isapnp_find_card(unsigned short vendor,
unsigned short device,
struct pci_bus *from);
-struct pci_dev *isapnp_find_dev(struct pci_bus *card,
+struct pci_dev *isapnp_find_dev(const struct pci_bus *card,
unsigned short vendor,
unsigned short function,
struct pci_dev *from);
@@ -234,7 +234,7 @@
extern inline struct pci_bus *isapnp_find_card(unsigned short vendor,
unsigned short device,
struct pci_bus *from) { return NULL; }
-extern inline struct pci_dev *isapnp_find_dev(struct pci_bus *card,
+extern inline struct pci_dev *isapnp_find_dev(const struct pci_bus *card,
unsigned short vendor,
unsigned short function,
struct pci_dev *from) { return NULL; }
--- linux-vanilla/drivers/pnp/isapnp.c Mon Dec 11 20:38:58 2000
+++ linux-2.4.0-ac3/drivers/pnp/isapnp.c Wed Jan 10 16:49:13 2001
@@ -1058,7 +1058,7 @@
* Resource manager.
*/

-static struct isapnp_port *isapnp_find_port(struct pci_dev *dev, int index)
+static struct isapnp_port *isapnp_find_port(const struct pci_dev *dev, int index)
{
struct isapnp_resources *res;
struct isapnp_port *port;
@@ -1075,7 +1075,7 @@
return NULL;
}

-struct isapnp_irq *isapnp_find_irq(struct pci_dev *dev, int index)
+struct isapnp_irq *isapnp_find_irq(const struct pci_dev *dev, int index)
{
struct isapnp_resources *res, *resa;
struct isapnp_irq *irq;
@@ -1102,7 +1102,7 @@
return NULL;
}

-struct isapnp_dma *isapnp_find_dma(struct pci_dev *dev, int index)
+struct isapnp_dma *isapnp_find_dma(const struct pci_dev *dev, int index)
{
struct isapnp_resources *res;
struct isapnp_dma *dma;
@@ -1119,7 +1119,7 @@
return NULL;
}

-struct isapnp_mem *isapnp_find_mem(struct pci_dev *dev, int index)
+struct isapnp_mem *isapnp_find_mem(const struct pci_dev *dev, int index)
{
struct isapnp_resources *res;
struct isapnp_mem *mem;
@@ -1136,7 +1136,7 @@
return NULL;
}

-struct isapnp_mem32 *isapnp_find_mem32(struct pci_dev *dev, int index)
+struct isapnp_mem32 *isapnp_find_mem32(const struct pci_dev *dev, int index)
{
struct isapnp_resources *res;
struct isapnp_mem32 *mem32;
@@ -1176,7 +1176,7 @@
return NULL;
}

-struct pci_dev *isapnp_find_dev(struct pci_bus *card,
+struct pci_dev *isapnp_find_dev(const struct pci_bus *card,
unsigned short vendor,
unsigned short function,
struct pci_dev *from)
@@ -1549,7 +1549,7 @@
return 0;
}

-static int isapnp_check_port(struct isapnp_cfgtmp *cfg, int port, int size, int idx)
+static int isapnp_check_port(const struct isapnp_cfgtmp *cfg, int port, int size, int idx)
{
int i, tmp, rport, rsize;
struct isapnp_port *xport;
@@ -1652,7 +1652,7 @@
{
}

-static int isapnp_check_interrupt(struct isapnp_cfgtmp *cfg, int irq, int idx)
+static int isapnp_check_interrupt(const struct isapnp_cfgtmp *cfg, int irq, int idx)
{
int i;
struct pci_dev *dev;
@@ -1739,7 +1739,7 @@
return 0;
}

-static int isapnp_check_dma(struct isapnp_cfgtmp *cfg, int dma, int idx)
+static int isapnp_check_dma(const struct isapnp_cfgtmp *cfg, int dma, int idx)
{
int i;
struct pci_dev *dev;
@@ -1814,7 +1814,7 @@
return 0;
}

-static int isapnp_check_mem(struct isapnp_cfgtmp *cfg, unsigned int addr, unsigned int size, int idx)
+static int isapnp_check_mem(const struct isapnp_cfgtmp *cfg, unsigned int addr, unsigned int size, int idx)
{
int i, tmp;
unsigned int raddr, rsize;
@@ -1911,7 +1911,7 @@
return 0;
}

-static int isapnp_check_valid(struct isapnp_cfgtmp *cfg)
+static int isapnp_check_valid(const struct isapnp_cfgtmp *cfg)
{
int tmp;

-
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