clock: renmae z_timeout_end_calc -> sys_clock_timeout_end_calc

Do not use z_ for internal APIs, z_ is for private APIs within one
subsystem only.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

doc/reference/kernel/timing/clocks.rst

@@ -313,7 +313,7 @@ code.  For example, consider this design:
 
 This code requires that the timeout value be inspected, which is no
 longer possible.  For situations like this, the new API provides an
-internal :c:func:`z_timeout_end_calc` routine that converts an
+internal :c:func:`sys_clock_timeout_end_calc` routine that converts an
 arbitrary timeout to the uptime value in ticks at which it will
 expire.  So such a loop might look like:
 
@@ -323,7 +323,7 @@ expire.  So such a loop might look like:
     void my_wait_for_event(struct my_subsys *obj, k_timeout_t timeout_in_ms)
     {
         /* Compute the end time from the timeout */
-        uint64_t end = z_timeout_end_calc(timeout_in_ms);
+        uint64_t end = sys_clock_timeout_end_calc(timeout_in_ms);
 
         while (end > k_uptime_ticks()) {
             if (is_event_complete(obj)) {
@@ -335,7 +335,7 @@ expire.  So such a loop might look like:
         }
     }
 
-Note that :c:func:`z_timeout_end_calc` returns values in units of
+Note that :c:func:`sys_clock_timeout_end_calc` returns values in units of
 ticks, to prevent conversion aliasing, is always presented at 64 bit
 uptime precision to prevent rollover bugs, handles special
 :c:macro:`K_FOREVER` naturally (as ``UINT64_MAX``), and works
@@ -344,7 +344,7 @@ identically for absolute timeouts as well as conventional ones.
 But some care is still required for subsystems that use it.  Note that
 delta timeouts need to be interpreted relative to a "current time",
 and obviously that time is the time of the call to
-:c:func:`z_timeout_end_calc`.  But the user expects that the time is
+:c:func:`sys_clock_timeout_end_calc`.  But the user expects that the time is
 the time they passed the timeout to you.  Care must be taken to call
 this function just once, as synchronously as possible to the timeout
 creation in user code.  It should not be used on a "stored" timeout

drivers/ethernet/eth_w5500.c

@@ -157,7 +157,7 @@ static int w5500_writebuf(const struct device *dev, uint16_t offset, uint8_t *bu
 static int w5500_command(const struct device *dev, uint8_t cmd)
 {
 	uint8_t reg;
-	uint64_t end = z_timeout_end_calc(K_MSEC(100));
+	uint64_t end = sys_clock_timeout_end_calc(K_MSEC(100));
 
 	w5500_spi_write(dev, W5500_S0_CR, &cmd, 1);
 	do {

include/sys_clock.h

@@ -191,7 +191,7 @@ int64_t sys_clock_tick_get(void);
 #define sys_clock_tick_get_32() (0)
 #endif
 
-uint64_t z_timeout_end_calc(k_timeout_t timeout);
+uint64_t sys_clock_timeout_end_calc(k_timeout_t timeout);
 
 #ifdef __cplusplus
 }

kernel/kheap.c

@@ -29,7 +29,7 @@ SYS_INIT(statics_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_OBJECTS);
 void *k_heap_aligned_alloc(struct k_heap *h, size_t align, size_t bytes,
 			k_timeout_t timeout)
 {
-	int64_t now, end = z_timeout_end_calc(timeout);
+	int64_t now, end = sys_clock_timeout_end_calc(timeout);
 	void *ret = NULL;
 	k_spinlock_key_t key = k_spin_lock(&h->lock);
 

kernel/timeout.c

@@ -302,7 +302,7 @@ static inline int64_t z_vrfy_k_uptime_ticks(void)
  * synchronously with the user passing a new timeout value.  It should
  * not be used iteratively to adjust a timeout.
  */
-uint64_t z_timeout_end_calc(k_timeout_t timeout)
+uint64_t sys_clock_timeout_end_calc(k_timeout_t timeout)
 {
 	k_ticks_t dt;
 

samples/net/zperf/src/zperf_tcp_uploader.c

@@ -27,7 +27,7 @@ void zperf_tcp_upload(const struct shell *shell,
 		      unsigned int packet_size,
 		      struct zperf_results *results)
 {
-	int64_t duration = z_timeout_end_calc(K_MSEC(duration_in_ms));
+	int64_t duration = sys_clock_timeout_end_calc(K_MSEC(duration_in_ms));
 	int64_t start_time, last_print_time, end_time, remaining;
 	uint32_t nb_packets = 0U, nb_errors = 0U;
 	uint32_t alloc_errors = 0U;

samples/net/zperf/src/zperf_udp_uploader.c

@@ -167,8 +167,8 @@ void zperf_udp_upload(const struct shell *shell,
 {
 	uint32_t packet_duration = ((uint32_t)packet_size * 8U * USEC_PER_SEC) /
 				   (rate_in_kbps * 1024U);
-	uint64_t duration = z_timeout_end_calc(K_MSEC(duration_in_ms));
-	int64_t print_interval = z_timeout_end_calc(K_SECONDS(1));
+	uint64_t duration = sys_clock_timeout_end_calc(K_MSEC(duration_in_ms));
+	int64_t print_interval = sys_clock_timeout_end_calc(K_SECONDS(1));
 	uint64_t delay = packet_duration;
 	uint32_t nb_packets = 0U;
 	int64_t start_time, end_time;
@@ -275,7 +275,7 @@ void zperf_udp_upload(const struct shell *shell,
 				    "nb_packets=%u\tdelay=%u\tadjust=%d\n",
 				      nb_packets, (unsigned int)delay,
 				      (int)adjust);
-			print_interval = z_timeout_end_calc(K_SECONDS(1));
+			print_interval = sys_clock_timeout_end_calc(K_SECONDS(1));
 		}
 
 		remaining = duration - k_uptime_ticks();

subsys/net/buf.c

@@ -230,7 +230,7 @@ struct net_buf *net_buf_alloc_len(struct net_buf_pool *pool, size_t size,
 				  k_timeout_t timeout)
 #endif
 {
-	uint64_t end = z_timeout_end_calc(timeout);
+	uint64_t end = sys_clock_timeout_end_calc(timeout);
 	struct net_buf *buf;
 	unsigned int key;
 
@@ -574,7 +574,7 @@ struct net_buf *net_buf_ref(struct net_buf *buf)
 
 struct net_buf *net_buf_clone(struct net_buf *buf, k_timeout_t timeout)
 {
-	int64_t end = z_timeout_end_calc(timeout);
+	int64_t end = sys_clock_timeout_end_calc(timeout);
 	struct net_buf_pool *pool;
 	struct net_buf *clone;
 

subsys/net/ip/net_pkt.c

@@ -857,7 +857,7 @@ static struct net_buf *pkt_alloc_buffer(struct net_buf_pool *pool,
 					size_t size, k_timeout_t timeout)
 #endif
 {
-	uint64_t end = z_timeout_end_calc(timeout);
+	uint64_t end = sys_clock_timeout_end_calc(timeout);
 	struct net_buf *first = NULL;
 	struct net_buf *current = NULL;
 
@@ -1103,7 +1103,7 @@ int net_pkt_alloc_buffer(struct net_pkt *pkt,
 			 k_timeout_t timeout)
 #endif
 {
-	uint64_t end = z_timeout_end_calc(timeout);
+	uint64_t end = sys_clock_timeout_end_calc(timeout);
 	struct net_buf_pool *pool = NULL;
 	size_t alloc_len = 0;
 	size_t hdr_len = 0;
@@ -1375,7 +1375,7 @@ pkt_alloc_with_buffer(struct k_mem_slab *slab,
 		      k_timeout_t timeout)
 #endif
 {
-	uint64_t end = z_timeout_end_calc(timeout);
+	uint64_t end = sys_clock_timeout_end_calc(timeout);
 	struct net_pkt *pkt;
 	int ret;
 

subsys/net/lib/sockets/sockets.c

@@ -592,7 +592,7 @@ ssize_t zsock_sendto_ctx(struct net_context *ctx, const void *buf, size_t len,
 		timeout = K_NO_WAIT;
 	} else {
 		net_context_get_option(ctx, NET_OPT_SNDTIMEO, &timeout, NULL);
-		buf_timeout = z_timeout_end_calc(MAX_WAIT_BUFS);
+		buf_timeout = sys_clock_timeout_end_calc(MAX_WAIT_BUFS);
 	}
 
 	/* Register the callback before sending in order to receive the response
@@ -1065,7 +1065,7 @@ static inline ssize_t zsock_recv_stream(struct net_context *ctx,
 		net_context_get_option(ctx, NET_OPT_RCVTIMEO, &timeout, NULL);
 	}
 
-	end = z_timeout_end_calc(timeout);
+	end = sys_clock_timeout_end_calc(timeout);
 
 	do {
 		struct net_pkt *pkt;
@@ -1325,7 +1325,7 @@ int z_impl_zsock_poll(struct zsock_pollfd *fds, int nfds, int poll_timeout)
 		timeout = K_MSEC(poll_timeout);
 	}
 
-	end = z_timeout_end_calc(timeout);
+	end = sys_clock_timeout_end_calc(timeout);
 
 	pev = poll_events;
 	for (pfd = fds, i = nfds; i--; pfd++) {

tests/kernel/timer/timer_error_case/src/main.c

@@ -335,7 +335,7 @@ void test_timer_add_timeout(void)
 	ztest_test_pass();
 }
 
-extern uint64_t z_timeout_end_calc(k_timeout_t timeout);
+extern uint64_t sys_clock_timeout_end_calc(k_timeout_t timeout);
 extern void sys_clock_announce(int32_t ticks);
 void test_timeout_end_calc(void)
 {
@@ -343,15 +343,15 @@ void test_timeout_end_calc(void)
 	k_timeout_t timeout;
 
 	timeout = K_MSEC(DURATION);
-	ret = z_timeout_end_calc(timeout);
+	ret = sys_clock_timeout_end_calc(timeout);
 	zassert_true(ret, "---timeout end calc---");
 
 	timeout.ticks = TEST_TIMEOUT;
-	ret = z_timeout_end_calc(timeout);
+	ret = sys_clock_timeout_end_calc(timeout);
 	zassert_true(ret, "timeout end calc error");
 
 	timeout = K_FOREVER;
-	ret = z_timeout_end_calc(timeout);
+	ret = sys_clock_timeout_end_calc(timeout);
 	zassert_true(ret, "timeout end calc forever");
 }