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sd/sdhci: Fix Buffer Write Ready interrupt

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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 <peter.crosthwaite@xilinx.com>
Reviewed-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Message-id: 7ca9fd3e03ce1bec94aff08f607c15a0ec3d3371.1369370934.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2013-06-03 17:17:44 +01:00 committed by Peter Maydell
parent 656f416c65
commit dcdb4cd850
1 changed files with 2 additions and 3 deletions
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5
hw/sd/sdhci.c
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@ -405,15 +405,14 @@ static void sdhci_write_block_to_card(SDHCIState *s)
/* Next data can be written through BUFFER DATORT register */ /* Next data can be written through BUFFER DATORT register */
s->prnsts |= SDHC_SPACE_AVAILABLE; 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 */ /* Finish transfer if that was the last block of data */
if ((s->trnmod & SDHC_TRNS_MULTI) == 0 || if ((s->trnmod & SDHC_TRNS_MULTI) == 0 ||
((s->trnmod & SDHC_TRNS_MULTI) && ((s->trnmod & SDHC_TRNS_MULTI) &&
(s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0))) { (s->trnmod & SDHC_TRNS_BLK_CNT_EN) && (s->blkcnt == 0))) {
SDHCI_GET_CLASS(s)->end_data_transfer(s); 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 */ /* Generate Block Gap Event if requested and if not the last block */