#include #include #include #include #include #include #include #include #include "str.h" #include "tstamping.h" int set_sockopt_hwtimestamp(int sock, const char *dev) { int timesource, ret; struct hwtstamp_config hwconfig; struct ifreq ifr; if (!strncmp("any", dev, strlen("any"))) return -1; memset(&hwconfig, 0, sizeof(hwconfig)); hwconfig.tx_type = HWTSTAMP_TX_OFF; hwconfig.rx_filter = HWTSTAMP_FILTER_ALL; memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name)); ifr.ifr_data = &hwconfig; ret = ioctl(sock, SIOCSHWTSTAMP, &ifr); if (ret < 0) return -1; timesource = SOF_TIMESTAMPING_RAW_HARDWARE; return setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, ×ource, sizeof(timesource)); } .git
net-next plumbingsTobias Klauser
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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2014-09-24 11:00:37 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-10-21 23:34:39 +0200
commit8a2f38ddfeb526c30b3ec209468172a30a38d996 (patch)
tree1106f0d778a920f0dd7dd9a2cc942e6306d245b4 /drivers/acpi/acpi_platform.c
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
ACPI / platform: provide default DMA mask
Most devices are configured for 32-bit DMA addresses. Setting the mask to 32-bit here removes the need for the drivers to do it separately. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpi_platform.c')