From f30bfa6d29da64a302a99b20ff79df8088c61836 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Tue, 2 Apr 2019 12:21:13 +0200
Subject: [PATCH] parisc: Tune LASI LAN for QEMU
Do not loose cycles when we run on QEMU, and fix one trivial typo.
Signed-off-by: Helge Deller <deller@gmx.de>
---
drivers/net/ethernet/i825xx/lasi_82596.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/i825xx/lasi_82596.c b/drivers/net/ethernet/i825xx/lasi_82596.c
index b69c622ba8b2d..211c5f74b4c86 100644
--- a/drivers/net/ethernet/i825xx/lasi_82596.c
+++ b/drivers/net/ethernet/i825xx/lasi_82596.c
@@ -105,7 +105,7 @@
#define DMA_WBACK_INV(ndev, addr, len) \
do { dma_cache_sync((ndev)->dev.parent, (void *)addr, len, DMA_BIDIRECTIONAL); } while (0)
-#define SYSBUS 0x0000006c;
+#define SYSBUS 0x0000006c
/* big endian CPU, 82596 "big" endian mode */
#define SWAP32(x) (((u32)(x)<<16) | ((((u32)(x)))>>16))
@@ -141,7 +141,8 @@ static void mpu_port(struct net_device *dev, int c, dma_addr_t x)
}
gsc_writel(a, dev->base_addr + PA_CPU_PORT_L_ACCESS);
- udelay(1);
+ if (!running_on_qemu)
+ udelay(1);
gsc_writel(b, dev->base_addr + PA_CPU_PORT_L_ACCESS);
}
--
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