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path: root/drivers/net/smc91x.h
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Diffstat (limited to 'drivers/net/smc91x.h')
-rw-r--r--drivers/net/smc91x.h44
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index e1be1af5120..c88f164aa71 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -242,15 +242,17 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
#define RPC_LSA_DEFAULT RPC_LED_TX_RX
#define RPC_LSB_DEFAULT RPC_LED_100_10
-#elif defined(CONFIG_MACH_LPD7A400) || defined(CONFIG_MACH_LPD7A404)
+#elif defined(CONFIG_MACH_LPD79520) \
+ || defined(CONFIG_MACH_LPD7A400) \
+ || defined(CONFIG_MACH_LPD7A404)
-/* The LPD7A40X_IOBARRIER is necessary to overcome a mismatch between
- * the way that the CPU handles chip selects and the way that the SMC
- * chip expects the chip select to operate. Refer to
+/* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
+ * way that the CPU handles chip selects and the way that the SMC chip
+ * expects the chip select to operate. Refer to
* Documentation/arm/Sharp-LH/IOBarrier for details. The read from
- * IOBARRIER is a byte as a least-common denominator of possible
- * regions to use as the barrier. It would be wasteful to read 32
- * bits from a byte oriented region.
+ * IOBARRIER is a byte, in order that we read the least-common
+ * denominator. It would be wasteful to read 32 bits from an 8-bit
+ * accessible region.
*
* There is no explicit protection against interrupts intervening
* between the writew and the IOBARRIER. In SMC ISR there is a
@@ -269,25 +271,35 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
#define SMC_CAN_USE_16BIT 1
#define SMC_CAN_USE_32BIT 0
#define SMC_NOWAIT 0
-#define LPD7A40X_IOBARRIER readb (IOBARRIER_VIRT)
+#define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
-#define SMC_inw(a,r) readw ((void*) ((a) + (r)))
-#define SMC_insw(a,r,p,l) readsw ((void*) ((a) + (r)), p, l)
-#define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7A40X_IOBARRIER; })
+#define SMC_inw(a,r)\
+ ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
+#define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
-#define SMC_outsw LPD7A40X_SMC_outsw
+#define SMC_insw LPD7_SMC_insw
+static inline void LPD7_SMC_insw (unsigned char* a, int r,
+ unsigned char* p, int l)
+{
+ unsigned short* ps = (unsigned short*) p;
+ while (l-- > 0) {
+ *ps++ = readw (a + r);
+ LPD7X_IOBARRIER;
+ }
+}
-static inline void LPD7A40X_SMC_outsw(unsigned long a, int r,
- unsigned char* p, int l)
+#define SMC_outsw LPD7_SMC_outsw
+static inline void LPD7_SMC_outsw (unsigned char* a, int r,
+ unsigned char* p, int l)
{
unsigned short* ps = (unsigned short*) p;
while (l-- > 0) {
writew (*ps++, a + r);
- LPD7A40X_IOBARRIER;
+ LPD7X_IOBARRIER;
}
}
-#define SMC_INTERRUPT_PREAMBLE LPD7A40X_IOBARRIER
+#define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
#define RPC_LSA_DEFAULT RPC_LED_TX_RX
#define RPC_LSB_DEFAULT RPC_LED_100_10