21 lines
768 B
Diff
21 lines
768 B
Diff
Index: linux-3.10.34/drivers/mtd/nand/xway_nand.c
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===================================================================
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--- linux-3.10.34.orig/drivers/mtd/nand/xway_nand.c 2014-03-28 11:51:49.790953906 +0000
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+++ linux-3.10.34/drivers/mtd/nand/xway_nand.c 2014-03-28 15:45:08.196369790 +0000
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@@ -80,13 +80,16 @@
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static void xway_select_chip(struct mtd_info *mtd, int chip)
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{
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+ static unsigned long csflags;
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switch (chip) {
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case -1:
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ltq_ebu_w32_mask(NAND_CON_CE, 0, EBU_NAND_CON);
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ltq_ebu_w32_mask(NAND_CON_NANDM, 0, EBU_NAND_CON);
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+ spin_unlock_irqrestore(&ebu_lock, csflags);
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break;
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case 0:
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+ spin_lock_irqsave(&ebu_lock, csflags);
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ltq_ebu_w32_mask(0, NAND_CON_NANDM, EBU_NAND_CON);
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ltq_ebu_w32_mask(0, NAND_CON_CE, EBU_NAND_CON);
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break;
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