Hi Arnd, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git ixp4xx-test head: 1b826e686b390fd1eeb347def38185fefcbd5140 commit: 7ac6c27d7ee1cdef95314be43e4c3854d8f80240 [17/23] ixp4xx_eth: enable compile testing reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-42-g38eda53-dirty git checkout 7ac6c27d7ee1cdef95314be43e4c3854d8f80240 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/xscale/ptp_ixp46x.c:49:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:49:27: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:49:27: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:66:27: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:67:27: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:67:27: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:67:27: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:81:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:81:28: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:81:28: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:86:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:86:43: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:86:43: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:87:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:87:43: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:87:43: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:100:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:100:43: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:100:43: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:101:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:101:43: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:101:43: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:115:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:115:36: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:115:36: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:144:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:144:31: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:144:31: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:316:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:316:48: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:316:48: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:317:35: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:317:35: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:317:35: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:318:35: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:318:35: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:318:35: sparse: got unsigned int * drivers/net/ethernet/xscale/ptp_ixp46x.c:319:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ptp_ixp46x.c:319:41: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ptp_ixp46x.c:319:41: sparse: got unsigned int * -- drivers/net/ethernet/xscale/ixp4xx_eth.c:244:27: sparse: sparse: cast to restricted __be16 drivers/net/ethernet/xscale/ixp4xx_eth.c:244:27: sparse: sparse: cast to restricted __be16 drivers/net/ethernet/xscale/ixp4xx_eth.c:244:27: sparse: sparse: cast to restricted __be16 drivers/net/ethernet/xscale/ixp4xx_eth.c:244:27: sparse: sparse: cast to restricted __be16 drivers/net/ethernet/xscale/ixp4xx_eth.c:267:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:267:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:267:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:268:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:268:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:268:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:273:56: sparse: got restricted __be16 [usertype] drivers/net/ethernet/xscale/ixp4xx_eth.c:276:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:276:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:276:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:277:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:277:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:277:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:286:56: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:305:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ixp46x_ts_regs *regs @@ got struct ixp46x_ts_rstruct ixp46x_ts_regs *regs @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:305:14: sparse: expected struct ixp46x_ts_regs *regs drivers/net/ethernet/xscale/ixp4xx_eth.c:305:14: sparse: got struct ixp46x_ts_regs [noderef] <asn:2> *timesync_regs drivers/net/ethernet/xscale/ixp4xx_eth.c:312:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:312:49: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:312:49: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:322:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:322:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:322:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:323:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:323:40: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:323:40: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:332:56: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:332:56: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:332:56: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:354:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ixp46x_ts_regs *regs @@ got struct ixp46x_ts_rstruct ixp46x_ts_regs *regs @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:354:14: sparse: expected struct ixp46x_ts_regs *regs drivers/net/ethernet/xscale/ixp4xx_eth.c:354:14: sparse: got struct ixp46x_ts_regs [noderef] <asn:2> *timesync_regs drivers/net/ethernet/xscale/ixp4xx_eth.c:365:47: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:365:47: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:365:47: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:369:57: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:369:57: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:369:57: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:379:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got ref] <asn:2> *addr @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:379:36: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/xscale/ixp4xx_eth.c:379:36: sparse: got unsigned int * drivers/net/ethernet/xscale/ixp4xx_eth.c:859:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ixp46x_ts_regs *[noderef] <asn:2> *regs @@ got struct ixp46x_ts_regs *[noderef] <asn:2> *regs @@ drivers/net/ethernet/xscale/ixp4xx_eth.c:859:34: sparse: expected struct ixp46x_ts_regs *[noderef] <asn:2> *regs drivers/net/ethernet/xscale/ixp4xx_eth.c:859:34: sparse: got struct ixp46x_ts_regs [noderef] <asn:2> ** vim +48 drivers/net/ethernet/xscale/ptp_ixp46x.c 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 38 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 39 /* 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 40 * Register access functions 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 41 */ 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 42 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 43 static u64 ixp_systime_read(struct ixp46x_ts_regs *regs) 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 44 { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 45 u64 ns; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 46 u32 lo, hi; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 47 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 @48 lo = __raw_readl(&regs->systime_lo); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 49 hi = __raw_readl(&regs->systime_hi); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 50 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 51 ns = ((u64) hi) << 32; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 52 ns |= lo; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 53 ns <<= TICKS_NS_SHIFT; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 54 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 55 return ns; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 56 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 57 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 58 static void ixp_systime_write(struct ixp46x_ts_regs *regs, u64 ns) 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 59 { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 60 u32 hi, lo; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 61 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 62 ns >>= TICKS_NS_SHIFT; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 63 hi = ns >> 32; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 64 lo = ns & 0xffffffff; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 65 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 @66 __raw_writel(lo, &regs->systime_lo); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 67 __raw_writel(hi, &regs->systime_hi); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 68 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 69 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 70 /* 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 71 * Interrupt service routine 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 72 */ 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 73 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 74 static irqreturn_t isr(int irq, void *priv) 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 75 { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 76 struct ixp_clock *ixp_clock = priv; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 77 struct ixp46x_ts_regs *regs = ixp_clock->regs; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 78 struct ptp_clock_event event; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 79 u32 ack = 0, lo, hi, val; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 80 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 81 val = __raw_readl(&regs->event); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 82 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 83 if (val & TSER_SNS) { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 84 ack |= TSER_SNS; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 85 if (ixp_clock->exts0_enabled) { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 86 hi = __raw_readl(&regs->asms_hi); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 87 lo = __raw_readl(&regs->asms_lo); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 88 event.type = PTP_CLOCK_EXTTS; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 89 event.index = 0; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 90 event.timestamp = ((u64) hi) << 32; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 91 event.timestamp |= lo; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 92 event.timestamp <<= TICKS_NS_SHIFT; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 93 ptp_clock_event(ixp_clock->ptp_clock, &event); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 94 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 95 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 96 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 97 if (val & TSER_SNM) { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 98 ack |= TSER_SNM; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 99 if (ixp_clock->exts1_enabled) { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 100 hi = __raw_readl(&regs->amms_hi); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 @101 lo = __raw_readl(&regs->amms_lo); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 102 event.type = PTP_CLOCK_EXTTS; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 103 event.index = 1; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 104 event.timestamp = ((u64) hi) << 32; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 105 event.timestamp |= lo; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 106 event.timestamp <<= TICKS_NS_SHIFT; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 107 ptp_clock_event(ixp_clock->ptp_clock, &event); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 108 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 109 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 110 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 111 if (val & TTIPEND) 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 112 ack |= TTIPEND; /* this bit seems to be always set */ 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 113 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 114 if (ack) { 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 115 __raw_writel(ack, &regs->event); 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 116 return IRQ_HANDLED; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 117 } else 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 118 return IRQ_NONE; 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 119 } 32bd93e8f924c2 drivers/ptp/ptp_ixp46x.c Richard Cochran 2011-04-22 120 :::::: The code at line 48 was first introduced by commit :::::: 32bd93e8f924c23b8cc2e2a12fef0d8cc9cda0c5 ptp: Added a clock driver for the IXP46x. :::::: TO: Richard Cochran <richardcochran(a)gmail.com&gt; :::::: CC: John Stultz <john.stultz(a)linaro.org&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation