[PATCH 4/6] ACPI / device_sysfs: make use of new strtolower() function

[Markus Mayer]

Call strtolower() rather than walking the string explicitly to convert
it to lowercase.

Signed-off-by: Markus Mayer <mma...@broadcom.com>
---
 drivers/acpi/device_sysfs.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 7b2c48f..1db38c7 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -200,12 +200,10 @@ static int create_of_modalias(struct acpi_device 
*acpi_dev, char *modalias,
        const union acpi_object *of_compatible, *obj;
        int len, count;
        int i, nval;
-       char *c;
 
        acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf);
        /* DT strings are all in lower case */
-       for (c = buf.pointer; *c != '\0'; c++)
-               *c = tolower(*c);
+       strtolower(buf.pointer);
 
        len = snprintf(modalias, size, "of:N%sT", (char *)buf.pointer);
        ACPI_FREE(buf.pointer);
-- 
2.7.4