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git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 14:34:27 -05:00
23 lines
698 B
Diff
23 lines
698 B
Diff
diff -urN linux-2.6.38.old/drivers/mtd/nand/omap2.c linux-2.6.38/drivers/mtd/nand/omap2.c
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--- linux-2.6.38.old/drivers/mtd/nand/omap2.c 2011-03-15 02:20:32.000000000 +0100
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+++ linux-2.6.38/drivers/mtd/nand/omap2.c 2011-03-21 15:05:21.000000000 +0100
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@@ -245,6 +245,18 @@
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int ret = 0;
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u32 *p = (u32 *)buf;
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+ /* u32 align the buffer and read */
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+ /* NB: This assumes the buf ptr can be aligned *down* which is a valid.
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+ * Assumption when dealing with ecc buffers etc.
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+ */
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+ u32 addr = (u32)p;
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+
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+ int diff = addr & 3;
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+ addr -= diff;
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+ len += diff;
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+ len = (len + 3) & ~3;
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+ p = (u32 *)addr;
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+
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/* take care of subpage reads */
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if (len % 4) {
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if (info->nand.options & NAND_BUSWIDTH_16)
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