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[Qemu-devel] [PATCH arm-devs v1 3/5] sd/sdhci: Fix Buffer Write Ready in
From: |
peter . crosthwaite |
Subject: |
[Qemu-devel] [PATCH arm-devs v1 3/5] sd/sdhci: Fix Buffer Write Ready interrupt |
Date: |
Tue, 21 May 2013 16:51:37 +1000 |
From: Peter Crosthwaite <address@hidden>
This interrupt is not risen after the last block is written to sd. It
is mutually exclusive with the end of transfer conditions. Fix.
Signed-off-by: Peter Crosthwaite <address@hidden>
---
hw/sd/sdhci.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 0a84540..ea510b5 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -405,15 +405,14 @@ static void sdhci_write_block_to_card(SDHCIState *s)
/* Next data can be written through BUFFER DATORT register */
s->prnsts |= SDHC_SPACE_AVAILABLE;
- if (s->norintstsen & SDHC_NISEN_WBUFRDY) {
- s->norintsts |= SDHC_NIS_WBUFRDY;
- }
/* Finish transfer if that was the last block of data */
if ((s->trnmod & SDHC_TRNS_MULTI) == 0 ||
((s->trnmod & SDHC_TRNS_MULTI) &&
(s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0))) {
SDHCI_GET_CLASS(s)->end_data_transfer(s);
+ } else if (s->norintstsen & SDHC_NISEN_WBUFRDY) {
+ s->norintsts |= SDHC_NIS_WBUFRDY;
}
/* Generate Block Gap Event if requested and if not the last block */
--
1.8.3.rc1.44.gb387c77.dirty