diff options
Diffstat (limited to 'drivers/usb/host/ehci-sysfs.c')
| -rw-r--r-- | drivers/usb/host/ehci-sysfs.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c index 8f75cb7b197c..5e6b545c30e6 100644 --- a/drivers/usb/host/ehci-sysfs.c +++ b/drivers/usb/host/ehci-sysfs.c @@ -12,21 +12,17 @@ static ssize_t companion_show(struct device *dev, char *buf) { struct ehci_hcd *ehci; - int nports, index, n; - int count = PAGE_SIZE; - char *ptr = buf; + int nports, index; + int len = 0; ehci = hcd_to_ehci(dev_get_drvdata(dev)); nports = HCS_N_PORTS(ehci->hcs_params); for (index = 0; index < nports; ++index) { - if (test_bit(index, &ehci->companion_ports)) { - n = scnprintf(ptr, count, "%d\n", index + 1); - ptr += n; - count -= n; - } + if (test_bit(index, &ehci->companion_ports)) + len += sysfs_emit_at(buf, len, "%d\n", index + 1); } - return ptr - buf; + return len; } /* @@ -70,11 +66,9 @@ static ssize_t uframe_periodic_max_show(struct device *dev, char *buf) { struct ehci_hcd *ehci; - int n; ehci = hcd_to_ehci(dev_get_drvdata(dev)); - n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max); - return n; + return sysfs_emit(buf, "%d\n", ehci->uframe_periodic_max); } |