/* Test program for SIOC{G,S}HWTSTAMP * Copyright 2013 Solarflare Communications * Author: Ben Hutchings */ #include #include #include #include #include #include #include #include #include static int lookup_value(const char **names, int size, const char *name) { int value; for (value = 0; value < size; value++) if (names[value] && strcasecmp(names[value], name) == 0) return value; return -1; } static const char * lookup_name(const char **names, int size, int value) { return (value >= 0 && value < size) ? names[value] : NULL; } static void list_names(FILE *f, const char **names, int size) { int value; for (value = 0; value < size; value++) if (names[value]) fprintf(f, " %s\n", names[value]); } static const char *tx_types[] = { #define TX_TYPE(name) [HWTSTAMP_TX_ ## name] = #name TX_TYPE(OFF), TX_TYPE(ON), TX_TYPE(ONESTEP_SYNC) #undef TX_TYPE }; #define N_TX_TYPES ((int)(sizeof(tx_types) / sizeof(tx_types[0]))) static const char *rx_filters[] = { #define RX_FILTER(name) [HWTSTAMP_FILTER_ ## name] = #name RX_FILTER(NONE), RX_FILTER(ALL), RX_FILTER(SOME), RX_FILTER(PTP_V1_L4_EVENT), RX_FILTER(PTP_V1_L4_SYNC), RX_FILTER(PTP_V1_L4_DELAY_REQ), RX_FILTER(PTP_V2_L4_EVENT), RX_FILTER(PTP_V2_L4_SYNC), RX_FILTER(PTP_V2_L4_DELAY_REQ), RX_FILTER(PTP_V2_L2_EVENT), RX_FILTER(PTP_V2_L2_SYNC), RX_FILTER(PTP_V2_L2_DELAY_REQ), RX_FILTER(PTP_V2_EVENT), RX_FILTER(PTP_V2_SYNC), RX_FILTER(PTP_V2_DELAY_REQ), #undef RX_FILTER }; #define N_RX_FILTERS ((int)(sizeof(rx_filters) / sizeof(rx_filters[0]))) static void usage(void) { fputs("Usage: hwtstamp_config if_name [tx_type rx_filter]\n" "tx_type is any of (case-insensitive):\n", stderr); list_names(stderr, tx_types, N_TX_TYPES); fputs("rx_filter is any of (case-insensitive):\n", stderr); list_names(stderr, rx_filters, N_RX_FILTERS); } int main(int argc, char **argv) { struct ifreq ifr; struct hwtstamp_config config; const char *name; int sock; if ((argc != 2 && argc != 4) || (strlen(argv[1]) >= IFNAMSIZ)) { usage(); return 2; } if (argc == 4) { config.flags = 0; config.tx_type = lookup_value(tx_types, N_TX_TYPES, argv[2]); config.rx_filter = lookup_value(rx_filters, N_RX_FILTERS, argv[3]); if (config.tx_type < 0 || config.rx_filter < 0) { usage(); return 2; } } sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock < 0) { perror("socket"); return 1; } strcpy(ifr.ifr_name, argv[1]); ifr.ifr_data = (caddr_t)&config; if (ioctl(sock, (argc == 2) ? SIOCGHWTSTAMP : SIOCSHWTSTAMP, &ifr)) { perror("ioctl"); return 1; } printf("flags = %#x\n", config.flags); name = lookup_name(tx_types, N_TX_TYPES, config.tx_type); if (name) printf("tx_type = %s\n", name); else printf("tx_type = %d\n", config.tx_type); name = lookup_name(rx_filters, N_RX_FILTERS, config.rx_filter); if (name) printf("rx_filter = %s\n", name); else printf("rx_filter = %d\n", config.rx_filter); return 0; } .git/commit/drivers/usb/misc?id=aca9fa0c8d225b1446dbed798b1d2f20e37e52cf'>misc/appledisplay.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:39:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:39:08 -0800
commitaca9fa0c8d225b1446dbed798b1d2f20e37e52cf (patch)
treecf8d9f70ca376665da6b83eaae382ac0218395fc /drivers/usb/misc/appledisplay.c
parentfc6f41ba8b2e705f91324db158c3cc28209a15b1 (diff)
parentbbb27fc33d44e7b8d96369810654df4ee1837566 (diff)
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c bugfixes from Wolfram Sang: "Two bugfixes (proper IO mapping and use of mutex) for a driver feature we introduced in this cycle" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: piix4: Request the SMBUS semaphore inside the mutex i2c: piix4: Fix request_region size
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')