diff options
| author | Kim, Milo <Milo.Kim@ti.com> | 2013-03-15 00:19:29 +0000 |
|---|---|---|
| committer | Anton Vorontsov <anton@enomsg.org> | 2013-03-31 23:33:19 -0700 |
| commit | 4b44a1ed82b4c2462d86fede459a802668b19d45 (patch) | |
| tree | 60d966e6764df6ad3a450dd610756eb01b8ad043 /drivers/power/lp8788-charger.c | |
| parent | feeb3a92b1f4e4b53bbad2b1c0d0eb1bcdd6d5a7 (diff) | |
| download | lwn-4b44a1ed82b4c2462d86fede459a802668b19d45.tar.gz lwn-4b44a1ed82b4c2462d86fede459a802668b19d45.zip | |
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/lp8788-charger.c')
| -rw-r--r-- | drivers/power/lp8788-charger.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c index 6d1f452810b8..ed49b50b220b 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); |