[Qemu-devel] [PATCH 12/14] sdhci: add a trace event for the LED control

[Philippe Mathieu-Daudé]

It blinks to caution the user not to remove the card while the SD card is
being accessed.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 hw/sd/sdhci.c      | 1 +
 hw/sd/trace-events | 1 +
 2 files changed, 2 insertions(+)

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index aa2d2fa3d3..dadc4787b2 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1041,6 +1041,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, 
unsigned size)
                 !(s->capareg & (1 << (31 - ((s->pwrcon >> 1) & 0x7))))) {
             s->pwrcon &= ~SDHC_POWER_ON;
         }
+        trace_sdhci_led(s->hostctl & 1);
         break;
     case SDHC_CLKCON:
         if (!(mask & 0xFF000000)) {
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index f7a85be53d..11f8fa4fc1 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -13,6 +13,7 @@ sdhci_adma_transfer_completed(void) "ADMA transfer completed"
 sdhci_access(const char *access, unsigned int size, uint64_t offset, const 
char *dir, uint64_t val, uint64_t val2) "%s %ub: addr[0x%04" HWADDR_PRIx "] %s 
%" PRIu64 "(0x%" PRIx64 ")"
 sdhci_read_dataport(uint16_t data_count) "all %u bytes of data have been read 
from input buffer"
 sdhci_write_dataport(uint16_t data_count) "write buffer filled with %u bytes 
of data"
+sdhci_led(bool state) "LED: %u"
 
 # hw/sd/milkymist-memcard.c
 milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x 
value 0x%08x"
-- 
2.15.1