summaryrefslogtreecommitdiff
path: root/drivers/misc/eeprom
diff options
context:
space:
mode:
authorHeiner Kallweit <hkallweit1@gmail.com>2021-05-24 22:17:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-27 14:49:40 +0200
commit8700a7328e89371493c267edb4c8812645f6e38b (patch)
treeacb7118b88ebd7ce323110013c34b33837c16e3d /drivers/misc/eeprom
parent8aeacb7a2de36e429213faa3b0d092a8e9019b3c (diff)
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>
Diffstat (limited to 'drivers/misc/eeprom')
-rw-r--r--drivers/misc/eeprom/ee1004.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/misc/eeprom/ee1004.c b/drivers/misc/eeprom/ee1004.c
index 65fe11d8f7d7..5173d040c7ae 100644
--- a/drivers/misc/eeprom/ee1004.c
+++ b/drivers/misc/eeprom/ee1004.c
@@ -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;
}