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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
commit1ebbe2b20091d306453a5cf480a87e6cd28ae76f (patch)
treef5cd7a0fa69b8b1938cb5a0faed2e7b0628072a5 /drivers/net/smc91x.c
parentac58c9059da8886b5e8cde012a80266b18ca146e (diff)
parent674a396c6d2ba0341ebdd7c1c9950f32f018e2dd (diff)
downloadop-kernel-dev-1ebbe2b20091d306453a5cf480a87e6cd28ae76f.zip
op-kernel-dev-1ebbe2b20091d306453a5cf480a87e6cd28ae76f.tar.gz
Merge branch 'linus'
Diffstat (limited to 'drivers/net/smc91x.c')
-rw-r--r--drivers/net/smc91x.c57
1 files changed, 28 insertions, 29 deletions
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 7ec0812..0e9833a 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -215,15 +215,12 @@ struct smc_local {
spinlock_t lock;
-#ifdef SMC_CAN_USE_DATACS
- u32 __iomem *datacs;
-#endif
-
#ifdef SMC_USE_PXA_DMA
/* DMA needs the physical address of the chip */
u_long physaddr;
#endif
void __iomem *base;
+ void __iomem *datacs;
};
#if SMC_DEBUG > 0
@@ -2104,9 +2101,8 @@ static int smc_enable_device(struct platform_device *pdev)
* Set the appropriate byte/word mode.
*/
ecsr = readb(addr + (ECSR << SMC_IO_SHIFT)) & ~ECSR_IOIS8;
-#ifndef SMC_CAN_USE_16BIT
- ecsr |= ECSR_IOIS8;
-#endif
+ if (!SMC_CAN_USE_16BIT)
+ ecsr |= ECSR_IOIS8;
writeb(ecsr, addr + (ECSR << SMC_IO_SHIFT));
local_irq_restore(flags);
@@ -2143,40 +2139,39 @@ static void smc_release_attrib(struct platform_device *pdev)
release_mem_region(res->start, ATTRIB_SIZE);
}
-#ifdef SMC_CAN_USE_DATACS
-static void smc_request_datacs(struct platform_device *pdev, struct net_device *ndev)
+static inline void smc_request_datacs(struct platform_device *pdev, struct net_device *ndev)
{
- struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
- struct smc_local *lp = netdev_priv(ndev);
+ if (SMC_CAN_USE_DATACS) {
+ struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
+ struct smc_local *lp = netdev_priv(ndev);
- if (!res)
- return;
+ if (!res)
+ return;
- if(!request_mem_region(res->start, SMC_DATA_EXTENT, CARDNAME)) {
- printk(KERN_INFO "%s: failed to request datacs memory region.\n", CARDNAME);
- return;
- }
+ if(!request_mem_region(res->start, SMC_DATA_EXTENT, CARDNAME)) {
+ printk(KERN_INFO "%s: failed to request datacs memory region.\n", CARDNAME);
+ return;
+ }
- lp->datacs = ioremap(res->start, SMC_DATA_EXTENT);
+ lp->datacs = ioremap(res->start, SMC_DATA_EXTENT);
+ }
}
static void smc_release_datacs(struct platform_device *pdev, struct net_device *ndev)
{
- struct smc_local *lp = netdev_priv(ndev);
- struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
+ if (SMC_CAN_USE_DATACS) {
+ struct smc_local *lp = netdev_priv(ndev);
+ struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-data32");
- if (lp->datacs)
- iounmap(lp->datacs);
+ if (lp->datacs)
+ iounmap(lp->datacs);
- lp->datacs = NULL;
+ lp->datacs = NULL;
- if (res)
- release_mem_region(res->start, SMC_DATA_EXTENT);
+ if (res)
+ release_mem_region(res->start, SMC_DATA_EXTENT);
+ }
}
-#else
-static void smc_request_datacs(struct platform_device *pdev, struct net_device *ndev) {}
-static void smc_release_datacs(struct platform_device *pdev, struct net_device *ndev) {}
-#endif
/*
* smc_init(void)
@@ -2221,6 +2216,10 @@ static int smc_drv_probe(struct platform_device *pdev)
ndev->dma = (unsigned char)-1;
ndev->irq = platform_get_irq(pdev, 0);
+ if (ndev->irq < 0) {
+ ret = -ENODEV;
+ goto out_free_netdev;
+ }
ret = smc_request_attrib(pdev);
if (ret)
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