[PATCH v3 20/26] staging: gasket: Use PCI_STD_NUM_BARS

From: Denis Efremov
Date: Mon Sep 16 2019 - 16:47:39 EST


Remove local definition GASKET_NUM_BARS for the number of PCI BARs and use
global one PCI_STD_NUM_BARS instead.

Cc: Rob Springer <rspringer@xxxxxxxxxx>
Cc: Todd Poynor <toddpoynor@xxxxxxxxxx>
Cc: Ben Chan <benchan@xxxxxxxxxxxx>
Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
drivers/staging/gasket/gasket_constants.h | 3 ---
drivers/staging/gasket/gasket_core.c | 12 ++++++------
drivers/staging/gasket/gasket_core.h | 4 ++--
3 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/gasket/gasket_constants.h b/drivers/staging/gasket/gasket_constants.h
index 50d87c7b178c..9ea9c8833f27 100644
--- a/drivers/staging/gasket/gasket_constants.h
+++ b/drivers/staging/gasket/gasket_constants.h
@@ -13,9 +13,6 @@
/* The maximum devices per each type. */
#define GASKET_DEV_MAX 256

-/* The number of supported (and possible) PCI BARs. */
-#define GASKET_NUM_BARS 6
-
/* The number of supported Gasket page tables per device. */
#define GASKET_MAX_NUM_PAGE_TABLES 1

diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 13179f063a61..cd8be80d2076 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -371,7 +371,7 @@ static int gasket_setup_pci(struct pci_dev *pci_dev,
{
int i, mapped_bars, ret;

- for (i = 0; i < GASKET_NUM_BARS; i++) {
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
ret = gasket_map_pci_bar(gasket_dev, i);
if (ret) {
mapped_bars = i;
@@ -393,7 +393,7 @@ static void gasket_cleanup_pci(struct gasket_dev *gasket_dev)
{
int i;

- for (i = 0; i < GASKET_NUM_BARS; i++)
+ for (i = 0; i < PCI_STD_NUM_BARS; i++)
gasket_unmap_pci_bar(gasket_dev, i);
}

@@ -493,7 +493,7 @@ static ssize_t gasket_sysfs_data_show(struct device *device,
(enum gasket_sysfs_attribute_type)gasket_attr->data.attr_type;
switch (sysfs_type) {
case ATTR_BAR_OFFSETS:
- for (i = 0; i < GASKET_NUM_BARS; i++) {
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
bar_desc = &driver_desc->bar_descriptions[i];
if (bar_desc->size == 0)
continue;
@@ -505,7 +505,7 @@ static ssize_t gasket_sysfs_data_show(struct device *device,
}
break;
case ATTR_BAR_SIZES:
- for (i = 0; i < GASKET_NUM_BARS; i++) {
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
bar_desc = &driver_desc->bar_descriptions[i];
if (bar_desc->size == 0)
continue;
@@ -556,7 +556,7 @@ static ssize_t gasket_sysfs_data_show(struct device *device,
ret = snprintf(buf, PAGE_SIZE, "%d\n", gasket_dev->reset_count);
break;
case ATTR_USER_MEM_RANGES:
- for (i = 0; i < GASKET_NUM_BARS; ++i) {
+ for (i = 0; i < PCI_STD_NUM_BARS; ++i) {
current_written =
gasket_write_mappable_regions(buf, driver_desc,
i);
@@ -736,7 +736,7 @@ static int gasket_get_bar_index(const struct gasket_dev *gasket_dev,
const struct gasket_driver_desc *driver_desc;

driver_desc = gasket_dev->internal_desc->driver_desc;
- for (i = 0; i < GASKET_NUM_BARS; ++i) {
+ for (i = 0; i < PCI_STD_NUM_BARS; ++i) {
struct gasket_bar_desc bar_desc =
driver_desc->bar_descriptions[i];

diff --git a/drivers/staging/gasket/gasket_core.h b/drivers/staging/gasket/gasket_core.h
index be44ac1e3118..c417acadb0d5 100644
--- a/drivers/staging/gasket/gasket_core.h
+++ b/drivers/staging/gasket/gasket_core.h
@@ -268,7 +268,7 @@ struct gasket_dev {
char kobj_name[GASKET_NAME_MAX];

/* Virtual address of mapped BAR memory range. */
- struct gasket_bar_data bar_data[GASKET_NUM_BARS];
+ struct gasket_bar_data bar_data[PCI_STD_NUM_BARS];

/* Coherent buffer. */
struct gasket_coherent_buffer coherent_buffer;
@@ -369,7 +369,7 @@ struct gasket_driver_desc {
/* Set of 6 bar descriptions that describe all PCIe bars.
* Note that BUS/AXI devices (i.e. non PCI devices) use those.
*/
- struct gasket_bar_desc bar_descriptions[GASKET_NUM_BARS];
+ struct gasket_bar_desc bar_descriptions[PCI_STD_NUM_BARS];

/*
* Coherent buffer description.
--
2.21.0