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authorKim, Milo <Milo.Kim@ti.com>2013-03-15 00:19:29 +0000
committerAnton Vorontsov <anton@enomsg.org>2013-03-31 23:33:19 -0700
commit4b44a1ed82b4c2462d86fede459a802668b19d45 (patch)
tree60d966e6764df6ad3a450dd610756eb01b8ad043 /drivers/power
parentfeeb3a92b1f4e4b53bbad2b1c0d0eb1bcdd6d5a7 (diff)
downloadlinaro-lsk-4b44a1ed82b4c2462d86fede459a802668b19d45.tar.gz
lp8788-charger: Use PAGE_SIZE for the sysfs read operation
The sysfs allocates PAGE_SIZE. It is used by each R/W operation method. Use it instead of another buffer size. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/lp8788-charger.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
index 6d1f452810b..ed49b50b220 100644
--- a/drivers/power/lp8788-charger.c
+++ b/drivers/power/lp8788-charger.c
@@ -49,7 +49,6 @@
#define LP8788_CHG_START 0x11
#define LP8788_CHG_END 0x1C
-#define LP8788_BUF_SIZE 40
#define LP8788_ISEL_MAX 23
#define LP8788_ISEL_STEP 50
#define LP8788_VTERM_MIN 4100
@@ -633,7 +632,7 @@ static ssize_t lp8788_show_charger_status(struct device *dev,
lp8788_read_byte(pchg->lp, LP8788_CHG_STATUS, &data);
state = (data & LP8788_CHG_STATE_M) >> LP8788_CHG_STATE_S;
- return scnprintf(buf, LP8788_BUF_SIZE, "%s\n", desc[state]);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", desc[state]);
}
static ssize_t lp8788_show_eoc_time(struct device *dev,
@@ -647,7 +646,7 @@ static ssize_t lp8788_show_eoc_time(struct device *dev,
lp8788_read_byte(pchg->lp, LP8788_CHG_EOC, &val);
val = (val & LP8788_CHG_EOC_TIME_M) >> LP8788_CHG_EOC_TIME_S;
- return scnprintf(buf, LP8788_BUF_SIZE, "End Of Charge Time: %s\n",
+ return scnprintf(buf, PAGE_SIZE, "End Of Charge Time: %s\n",
stime[val]);
}
@@ -667,8 +666,7 @@ static ssize_t lp8788_show_eoc_level(struct device *dev,
val = (val & LP8788_CHG_EOC_LEVEL_M) >> LP8788_CHG_EOC_LEVEL_S;
level = mode ? abs_level[val] : relative_level[val];
- return scnprintf(buf, LP8788_BUF_SIZE, "End Of Charge Level: %s\n",
- level);
+ return scnprintf(buf, PAGE_SIZE, "End Of Charge Level: %s\n", level);
}
static DEVICE_ATTR(charger_status, S_IRUSR, lp8788_show_charger_status, NULL);