sandbox: Add a way to skip time delays

Some tests are slow due to delays which are unnecessary on sandbox. The
worst offender is USB where we lose two seconds. Add a way to disable time
delays.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index 3a7f5a004b0fa341dfec557f20fa087d41674327..196f3e1191e166c821378bc05dcecfb20cb25953 100644 (file)
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -37,7 +37,10 @@ void sandbox_exit(void)
 /* delay x useconds */
 void __udelay(unsigned long usec)
 {
-       os_usleep(usec);
+       struct sandbox_state *state = state_get_current();
+
+       if (!state->skip_delays)
+               os_usleep(usec);
 }
 
 int cleanup_before_linux(void)

diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index 7e5d03e8460bf945b40577bd40c4b9cb3fd85fbf..d2a7dc9b450f8845811c9575a5731b0557c959c0 100644 (file)
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -337,6 +337,20 @@ struct sandbox_state *state_get_current(void)
        return state;
 }
 
+void state_set_skip_delays(bool skip_delays)
+{
+       struct sandbox_state *state = state_get_current();
+
+       state->skip_delays = skip_delays;
+}
+
+bool state_get_skip_delays(void)
+{
+       struct sandbox_state *state = state_get_current();
+
+       return state->skip_delays;
+}
+
 int state_init(void)
 {
        state = &main_state;

diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h
index 2bd28f6b1c1739b5857407d1e055676698330435..e876ba29784171fa177dee815bf9328cdf7bc410 100644 (file)
--- a/arch/sandbox/include/asm/state.h
+++ b/arch/sandbox/include/asm/state.h
@@ -63,6 +63,7 @@ struct sandbox_state {
        enum reset_t last_reset;        /* Last reset type */
        bool reset_allowed[RESET_COUNT];        /* Allowed reset types */
        enum state_terminal_raw term_raw;       /* Terminal raw/cooked */
+       bool skip_delays;               /* Ignore any time delays (for test) */
 
        /* Pointer to information for each SPI bus/cs */
        struct sandbox_spi_info spi[CONFIG_SANDBOX_SPI_MAX_BUS]
@@ -184,6 +185,24 @@ int sandbox_write_state(struct sandbox_state *state, const char *fname);
  */
 int state_setprop(int node, const char *prop_name, const void *data, int size);
 
+/**
+ * Control skipping of time delays
+ *
+ * Some tests have unnecessay time delays (e.g. USB). Allow these to be
+ * skipped to speed up testing
+ *
+ * @param skip_delays  true to skip delays from now on, false to honour delay
+ *                     requests
+ */
+void state_set_skip_delays(bool skip_delays);
+
+/**
+ * See if delays should be skipped
+ *
+ * @return true if delays should be skipped, false if they should be honoured
+ */
+bool state_get_skip_delays(void);
+
 /**
  * Initialize the test system state
  */