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SAMA5 NAND: Fix some race conditions in checking status bits

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Gregory Nutt
2013-11-30 14:17:32 -06:00
parent 5978e04411
commit c50277149f
2 changed files with 158 additions and 142 deletions
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arch/arm/src/sama5/sam_nand.c
+153 -139
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arch/arm/src/sama5/sam_nand.h
+5 -3
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@@ -286,10 +286,12 @@ struct sam_nand_s
/* Dynamic state */
#ifdef CONFIG_SAMA5_NAND_HSMCINTERRUPTS
volatile bool cmddone; /* True: NFC command has completed */
volatile bool xfrdone; /* True: Transfer has completed */
volatile bool rbedge; /* True: Ready/busy edge detected */
volatile bool cmddone; /* True: NFC command has completed (latching) */
volatile bool xfrdone; /* True: Transfer has completed (latching) */
sem_t waitsem; /* Used to wait for one of the above states */
#else
bool cmddone; /* True: NFC command has completed (latching) */
bool xfrdone; /* True: Transfer has completed (latching) */
#endif
#ifdef CONFIG_SAMA5_HAVE_PMECC