[Qemu-devel] [PATCH 02/10] hw/sd.c: Add comment regarding CARD_STATUS_* defines

[Peter Maydell]

Add a clarifying comment about what the CARD_STATUS_[ABC]
macros are defining.

Signed-off-by: Peter Maydell <address@hidden>
---
 hw/sd.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/hw/sd.c b/hw/sd.c
index a1c98c0..245b6c3 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -309,6 +309,11 @@ static void sd_set_rca(SDState *sd)
     sd->rca += 0x4567;
 }
 
+/* Card status bits, split by clear condition:
+ * A : According to the card current state
+ * B : Always related to the previous command
+ * C : Cleared by read
+ */
 #define CARD_STATUS_A  0x02004100
 #define CARD_STATUS_B  0x00c01e00
 #define CARD_STATUS_C  0xfd39a028
-- 
1.7.5.4