Messages in this thread | | | Date | Wed, 15 Jun 2016 23:51:29 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v3 1/2] clocksource: Add Oxford Semiconductor RPS Dual Timer |
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Hi,
[auto build test ERROR on tip/timers/core] [also build test ERROR on v4.7-rc3 next-20160615] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Neil-Armstrong/clocksource-Add-support-for-Oxford-Semiconductor-RPS-Dual-Timer/20160615-181650 config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64
All error/warnings (new ones prefixed by >>):
>> drivers/clocksource/timer-oxnas-rps.c:62:28: error: field 'clkevent' has incomplete type struct clock_event_device clkevent; ^ In file included from include/linux/list.h:8:0, from include/linux/smp.h:11, from include/linux/irq.h:12, from drivers/clocksource/timer-oxnas-rps.c:24: drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_timer_shutdown': include/linux/kernel.h:831:48: warning: initialization from incompatible pointer type const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ >> drivers/clocksource/timer-oxnas-rps.c:101:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ include/linux/kernel.h:831:48: warning: (near initialization for 'rps') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ >> drivers/clocksource/timer-oxnas-rps.c:101:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_timer_set_periodic': include/linux/kernel.h:831:48: warning: initialization from incompatible pointer type const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:111:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ include/linux/kernel.h:831:48: warning: (near initialization for 'rps') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:111:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_timer_set_oneshot': include/linux/kernel.h:831:48: warning: initialization from incompatible pointer type const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:121:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ include/linux/kernel.h:831:48: warning: (near initialization for 'rps') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:121:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_timer_next_event': include/linux/kernel.h:831:48: warning: initialization from incompatible pointer type const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:132:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ include/linux/kernel.h:831:48: warning: (near initialization for 'rps') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/clocksource/timer-oxnas-rps.c:132:3: note: in expansion of macro 'container_of' container_of(evt, struct oxnas_rps_timer, clkevent); ^ drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_clockevent_init': >> drivers/clocksource/timer-oxnas-rps.c:161:27: error: 'CLOCK_EVT_FEAT_PERIODIC' undeclared (first use in this function) rps->clkevent.features = CLOCK_EVT_FEAT_PERIODIC | ^ drivers/clocksource/timer-oxnas-rps.c:161:27: note: each undeclared identifier is reported only once for each function it appears in >> drivers/clocksource/timer-oxnas-rps.c:162:6: error: 'CLOCK_EVT_FEAT_ONESHOT' undeclared (first use in this function) CLOCK_EVT_FEAT_ONESHOT | ^ >> drivers/clocksource/timer-oxnas-rps.c:163:6: error: 'CLOCK_EVT_FEAT_DYNIRQ' undeclared (first use in this function) CLOCK_EVT_FEAT_DYNIRQ; ^ >> drivers/clocksource/timer-oxnas-rps.c:172:2: error: implicit declaration of function 'clockevents_config_and_register' [-Werror=implicit-function-declaration] clockevents_config_and_register(&rps->clkevent, ^ drivers/clocksource/timer-oxnas-rps.c: In function 'oxnas_rps_clocksource_init': >> drivers/clocksource/timer-oxnas-rps.c:209:2: error: implicit declaration of function 'clocksource_mmio_init' [-Werror=implicit-function-declaration] ret = clocksource_mmio_init(timer_sched_base, ^ >> drivers/clocksource/timer-oxnas-rps.c:212:9: error: 'clocksource_mmio_readl_down' undeclared (first use in this function) clocksource_mmio_readl_down); ^ drivers/clocksource/timer-oxnas-rps.c: At top level: >> drivers/clocksource/timer-oxnas-rps.c:290:10: error: expected ')' before string constant "oxsemi,ox810se-rps-timer", oxnas_rps_timer_init); ^ drivers/clocksource/timer-oxnas-rps.c:223:20: warning: 'oxnas_rps_timer_init' defined but not used [-Wunused-function] static void __init oxnas_rps_timer_init(struct device_node *np) ^ cc1: some warnings being treated as errors
vim +/clkevent +62 drivers/clocksource/timer-oxnas-rps.c
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 22 23 #include <linux/init.h> > 24 #include <linux/irq.h> 25 #include <linux/io.h> 26 #include <linux/clk.h> 27 #include <linux/slab.h> 28 #include <linux/interrupt.h> 29 #include <linux/of_irq.h> 30 #include <linux/of_address.h> 31 #include <linux/clockchips.h> 32 #include <linux/sched_clock.h> 33 34 /* TIMER1 used as tick 35 * TIMER2 used as clocksource 36 */ 37 38 /* Registers definitions */ 39 40 #define TIMER_LOAD_REG 0x0 41 #define TIMER_CURR_REG 0x4 42 #define TIMER_CTRL_REG 0x8 43 #define TIMER_CLRINT_REG 0xC 44 45 #define TIMER_BITS 24 46 47 #define TIMER_MAX_VAL (BIT(TIMER_BITS) - 1) 48 49 #define TIMER_PERIODIC BIT(6) 50 #define TIMER_ENABLE BIT(7) 51 52 #define TIMER_DIV1 (0) 53 #define TIMER_DIV16 (1 << 2) 54 #define TIMER_DIV256 (2 << 2) 55 56 #define TIMER1_REG_OFFSET 0 57 #define TIMER2_REG_OFFSET 0x20 58 59 /* Clockevent & Clocksource data */ 60 61 struct oxnas_rps_timer { > 62 struct clock_event_device clkevent; 63 void __iomem *clksrc_base; 64 void __iomem *clkevt_base; 65 unsigned long timer_period; 66 unsigned int timer_prescaler; 67 struct clk *clk; 68 int irq; 69 }; 70 71 static irqreturn_t oxnas_rps_timer_irq(int irq, void *dev_id) 72 { 73 struct oxnas_rps_timer *rps = dev_id; 74 75 writel_relaxed(0, rps->clkevt_base + TIMER_CLRINT_REG); 76 77 rps->clkevent.event_handler(&rps->clkevent); 78 79 return IRQ_HANDLED; 80 } 81 82 static void oxnas_rps_timer_config(struct oxnas_rps_timer *rps, 83 unsigned long period, 84 unsigned int periodic) 85 { 86 uint32_t cfg = rps->timer_prescaler; 87 88 if (period) 89 cfg |= TIMER_ENABLE; 90 91 if (periodic) 92 cfg |= TIMER_PERIODIC; 93 94 writel_relaxed(period, rps->clkevt_base + TIMER_LOAD_REG); 95 writel_relaxed(cfg, rps->clkevt_base + TIMER_CTRL_REG); 96 } 97 98 static int oxnas_rps_timer_shutdown(struct clock_event_device *evt) 99 { 100 struct oxnas_rps_timer *rps = > 101 container_of(evt, struct oxnas_rps_timer, clkevent); 102 103 oxnas_rps_timer_config(rps, 0, 0); 104 105 return 0; 106 } 107 108 static int oxnas_rps_timer_set_periodic(struct clock_event_device *evt) 109 { 110 struct oxnas_rps_timer *rps = 111 container_of(evt, struct oxnas_rps_timer, clkevent); 112 113 oxnas_rps_timer_config(rps, rps->timer_period, 1); 114 115 return 0; 116 } 117 118 static int oxnas_rps_timer_set_oneshot(struct clock_event_device *evt) 119 { 120 struct oxnas_rps_timer *rps = 121 container_of(evt, struct oxnas_rps_timer, clkevent); 122 123 oxnas_rps_timer_config(rps, rps->timer_period, 0); 124 125 return 0; 126 } 127 128 static int oxnas_rps_timer_next_event(unsigned long delta, 129 struct clock_event_device *evt) 130 { 131 struct oxnas_rps_timer *rps = > 132 container_of(evt, struct oxnas_rps_timer, clkevent); 133 134 oxnas_rps_timer_config(rps, delta, 0); 135 136 return 0; 137 } 138 139 static int __init oxnas_rps_clockevent_init(struct oxnas_rps_timer *rps) 140 { 141 ulong clk_rate = clk_get_rate(rps->clk); 142 ulong timer_rate; 143 144 /* Start with prescaler 1 */ 145 rps->timer_prescaler = TIMER_DIV1; 146 rps->timer_period = DIV_ROUND_UP(clk_rate, HZ); 147 timer_rate = clk_rate; 148 149 if (rps->timer_period > TIMER_MAX_VAL) { 150 rps->timer_prescaler = TIMER_DIV16; 151 timer_rate = clk_rate / 16; 152 rps->timer_period = DIV_ROUND_UP(timer_rate, HZ); 153 } 154 if (rps->timer_period > TIMER_MAX_VAL) { 155 rps->timer_prescaler = TIMER_DIV256; 156 timer_rate = clk_rate / 256; 157 rps->timer_period = DIV_ROUND_UP(timer_rate, HZ); 158 } 159 160 rps->clkevent.name = "oxnas-rps"; > 161 rps->clkevent.features = CLOCK_EVT_FEAT_PERIODIC | > 162 CLOCK_EVT_FEAT_ONESHOT | > 163 CLOCK_EVT_FEAT_DYNIRQ; 164 rps->clkevent.tick_resume = oxnas_rps_timer_shutdown; 165 rps->clkevent.set_state_shutdown = oxnas_rps_timer_shutdown; 166 rps->clkevent.set_state_periodic = oxnas_rps_timer_set_periodic; 167 rps->clkevent.set_state_oneshot = oxnas_rps_timer_set_oneshot; 168 rps->clkevent.set_next_event = oxnas_rps_timer_next_event; 169 rps->clkevent.rating = 200; 170 rps->clkevent.cpumask = cpu_possible_mask; 171 rps->clkevent.irq = rps->irq; > 172 clockevents_config_and_register(&rps->clkevent, 173 timer_rate, 174 1, 175 TIMER_MAX_VAL); 176 177 pr_info("Registered clock event rate %luHz prescaler %x period %lu\n", 178 clk_rate, 179 rps->timer_prescaler, 180 rps->timer_period); 181 182 return 0; 183 } 184 185 /* Clocksource */ 186 187 static void __iomem *timer_sched_base; 188 189 static u64 notrace oxnas_rps_read_sched_clock(void) 190 { 191 return ~readl_relaxed(timer_sched_base); 192 } 193 194 static int __init oxnas_rps_clocksource_init(struct oxnas_rps_timer *rps) 195 { 196 ulong clk_rate = clk_get_rate(rps->clk); 197 int ret; 198 199 /* use prescale 16 */ 200 clk_rate = clk_rate / 16; 201 202 writel_relaxed(TIMER_MAX_VAL, rps->clksrc_base + TIMER_LOAD_REG); 203 writel_relaxed(TIMER_PERIODIC | TIMER_ENABLE | TIMER_DIV16, 204 rps->clksrc_base + TIMER_CTRL_REG); 205 206 timer_sched_base = rps->clksrc_base + TIMER_CURR_REG; 207 sched_clock_register(oxnas_rps_read_sched_clock, 208 TIMER_BITS, clk_rate); > 209 ret = clocksource_mmio_init(timer_sched_base, 210 "oxnas_rps_clocksource_timer", 211 clk_rate, 250, TIMER_BITS, > 212 clocksource_mmio_readl_down); 213 if (WARN_ON(ret)) { 214 pr_err("can't register clocksource\n"); 215 return ret;
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