26 lines
896 B
Diff
26 lines
896 B
Diff
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From 8b8d3992db22a583b69b6e2ae1d9cd87e2179e21 Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Fri, 18 Sep 2020 10:55:22 +0800
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Subject: [PATCH] hw/sd/sdhci: Fix DMA Transfer Block Size field The 'Transfer
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Block Size' field is 12-bit wide. See section '2.2.2 Block Size Register
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(Offset 004h)' in datasheet.
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Buglink: https://bugs.launchpad.net/qemu/+bug/1892960
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diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
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index 7b80b1d9..acf482b8 100644
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--- a/hw/sd/sdhci.c
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+++ b/hw/sd/sdhci.c
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@@ -1127,7 +1127,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
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break;
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case SDHC_BLKSIZE:
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if (!TRANSFERRING_DATA(s->prnsts)) {
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- MASKED_WRITE(s->blksize, mask, value);
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+ MASKED_WRITE(s->blksize, mask, extract32(value, 0, 12));
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MASKED_WRITE(s->blkcnt, mask >> 16, value >> 16);
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}
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--
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2.23.0
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