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Subject[patch 36/37] PNP: make pnp_resource_table private to PNP core
There are no remaining references to the PNP_MAX_* constants or
the pnp_resource_table structure outside of the PNP core. Make
them private to the PNP core.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>

---
drivers/pnp/base.h | 12 ++++++++++++
drivers/pnp/core.c | 8 ++++++++
drivers/pnp/manager.c | 4 ++--
drivers/pnp/resource.c | 10 +++++-----
include/linux/pnp.h | 14 ++------------
5 files changed, 29 insertions(+), 19 deletions(-)

Index: work7/include/linux/pnp.h
===================================================================
--- work7.orig/include/linux/pnp.h 2008-03-26 11:10:33.000000000 -0600
+++ work7/include/linux/pnp.h 2008-03-26 11:10:34.000000000 -0600
@@ -13,14 +13,11 @@
#include <linux/errno.h>
#include <linux/mod_devicetable.h>

-#define PNP_MAX_PORT 40
-#define PNP_MAX_MEM 24
-#define PNP_MAX_IRQ 2
-#define PNP_MAX_DMA 2
#define PNP_NAME_LEN 50

struct pnp_protocol;
struct pnp_dev;
+struct pnp_resource_table;

/*
* Resource Management
@@ -160,13 +157,6 @@
struct pnp_option *next; /* used to chain dependent resources */
};

-struct pnp_resource_table {
- struct resource port_resource[PNP_MAX_PORT];
- struct resource mem_resource[PNP_MAX_MEM];
- struct resource dma_resource[PNP_MAX_DMA];
- struct resource irq_resource[PNP_MAX_IRQ];
-};
-
/*
* Device Management
*/
@@ -236,7 +226,7 @@
int capabilities;
struct pnp_option *independent;
struct pnp_option *dependent;
- struct pnp_resource_table res;
+ struct pnp_resource_table *res;

char name[PNP_NAME_LEN]; /* contains a human-readable name */
unsigned short regs; /* ISAPnP: supported registers */
Index: work7/drivers/pnp/base.h
===================================================================
--- work7.orig/drivers/pnp/base.h 2008-03-26 11:10:26.000000000 -0600
+++ work7/drivers/pnp/base.h 2008-03-26 11:10:34.000000000 -0600
@@ -19,3 +19,15 @@
int pnp_add_dma_resource(struct pnp_dev *dev, int dma, int flags);
int pnp_add_io_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t len, int flags);
int pnp_add_mem_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t len, int flags);
+
+#define PNP_MAX_PORT 40
+#define PNP_MAX_MEM 24
+#define PNP_MAX_IRQ 2
+#define PNP_MAX_DMA 2
+
+struct pnp_resource_table {
+ struct resource port_resource[PNP_MAX_PORT];
+ struct resource mem_resource[PNP_MAX_MEM];
+ struct resource dma_resource[PNP_MAX_DMA];
+ struct resource irq_resource[PNP_MAX_IRQ];
+};
Index: work7/drivers/pnp/manager.c
===================================================================
--- work7.orig/drivers/pnp/manager.c 2008-03-26 11:10:33.000000000 -0600
+++ work7/drivers/pnp/manager.c 2008-03-26 11:10:34.000000000 -0600
@@ -218,7 +218,7 @@
*/
void pnp_init_resources(struct pnp_dev *dev)
{
- struct pnp_resource_table *table = &dev->res;
+ struct pnp_resource_table *table = dev->res;
int idx;

for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
@@ -257,7 +257,7 @@
*/
static void pnp_clean_resource_table(struct pnp_dev *dev)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;
int idx;

for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
Index: work7/drivers/pnp/resource.c
===================================================================
--- work7.orig/drivers/pnp/resource.c 2008-03-26 11:10:32.000000000 -0600
+++ work7/drivers/pnp/resource.c 2008-03-26 11:10:34.000000000 -0600
@@ -493,7 +493,7 @@

int pnp_add_irq_resource(struct pnp_dev *dev, int irq, int flags)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;
int i = 0;
static unsigned char warned;

@@ -517,7 +517,7 @@

int pnp_add_dma_resource(struct pnp_dev *dev, int dma, int flags)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;
int i = 0;
static unsigned char warned;

@@ -541,7 +541,7 @@

int pnp_add_io_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t len, int flags)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;
resource_size_t end = start + len - 1;
int i = 0;
static unsigned char warned;
@@ -566,7 +566,7 @@

int pnp_add_mem_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t len, int flags)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;
int i = 0;
static unsigned char warned;

@@ -591,7 +591,7 @@
struct resource *pnp_get_resource(struct pnp_dev *dev,
unsigned int type, unsigned int num)
{
- struct pnp_resource_table *res = &dev->res;
+ struct pnp_resource_table *res = dev->res;

switch (type) {
case IORESOURCE_IO:
Index: work7/drivers/pnp/core.c
===================================================================
--- work7.orig/drivers/pnp/core.c 2008-03-26 10:54:04.000000000 -0600
+++ work7/drivers/pnp/core.c 2008-03-26 11:10:34.000000000 -0600
@@ -106,6 +106,7 @@
pnp_free_option(dev->independent);
pnp_free_option(dev->dependent);
pnp_free_ids(dev);
+ kfree(dev->res);
kfree(dev);
}

@@ -118,6 +119,12 @@
if (!dev)
return NULL;

+ dev->res = kzalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
+ if (!dev->res) {
+ kfree(dev);
+ return NULL;
+ }
+
dev->protocol = protocol;
dev->number = id;

@@ -127,6 +134,7 @@

dev_id = pnp_add_id(dev, pnpid);
if (!dev_id) {
+ kfree(dev->res);
kfree(dev);
return NULL;
}
--


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