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eeprom: ee1004: Add constant EE1004_NUM_PAGES 

Add a constant for the number of pages.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/6167f9c5-995a-03c3-c324-e93e2a6c969b@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heiner Kallweit 2021-05-24 22:17:28 +02:00 committed by Greg Kroah-Hartman
parent 8aeacb7a2d
commit 8700a7328e
1 changed files with 5 additions and 4 deletions
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9
drivers/misc/eeprom/ee1004.c
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@ -32,16 +32,17 @@
*/
#define EE1004_ADDR_SET_PAGE 0x36
#define EE1004_EEPROM_SIZE 512
#define EE1004_NUM_PAGES 2
#define EE1004_PAGE_SIZE 256
#define EE1004_PAGE_SHIFT 8
#define EE1004_EEPROM_SIZE (EE1004_PAGE_SIZE * EE1004_NUM_PAGES)
/*
* Mutex protects ee1004_set_page and ee1004_dev_count, and must be held
* from page selection to end of read.
*/
static DEFINE_MUTEX(ee1004_bus_lock);
static struct i2c_client *ee1004_set_page[2];
static struct i2c_client *ee1004_set_page[EE1004_NUM_PAGES];
static unsigned int ee1004_dev_count;
static int ee1004_current_page;
@ -172,7 +173,7 @@ static int ee1004_probe(struct i2c_client *client)
/* Use 2 dummy devices for page select command */
mutex_lock(&ee1004_bus_lock);
if (++ee1004_dev_count == 1) {
for (cnr = 0; cnr < 2; cnr++) {
for (cnr = 0; cnr < EE1004_NUM_PAGES; cnr++) {
struct i2c_client *cl;
cl = i2c_new_dummy_device(client->adapter, EE1004_ADDR_SET_PAGE + cnr);
@ -222,7 +223,7 @@ static int ee1004_remove(struct i2c_client *client)
/* Remove page select clients if this is the last device */
mutex_lock(&ee1004_bus_lock);
if (--ee1004_dev_count == 0) {
for (i = 0; i < 2; i++) {
for (i = 0; i < EE1004_NUM_PAGES; i++) {
i2c_unregister_device(ee1004_set_page[i]);
ee1004_set_page[i] = NULL;
}