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spectra: enable device before poking it

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Otherwise if it is off at boot time things don't go to plan.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2011-07-12 17:40:03 +01:00 committed by Greg Kroah-Hartman
parent 19a3833fd4
commit 9e158e3082
1 changed files with 10 additions and 8 deletions
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18
drivers/staging/spectra/lld_nand.c
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@ -2397,6 +2397,12 @@ static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
struct mrst_nand_info *pndev = &info;
u32 int_mask;
ret = pci_enable_device(dev);
if (ret) {
printk(KERN_ERR "Spectra: pci_enable_device failed.\n");
return ret;
}
nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n",
__FILE__, __LINE__, __func__);
@ -2404,7 +2410,7 @@ static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
GLOB_HWCTL_REG_SIZE);
if (!FlashReg) {
printk(KERN_ERR "Spectra: ioremap_nocache failed!");
return -ENOMEM;
goto failed_disable;
}
nand_dbg_print(NAND_DBG_WARN,
"Spectra: Remapped reg base address: "
@ -2416,7 +2422,7 @@ static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (!FlashMem) {
printk(KERN_ERR "Spectra: ioremap_nocache failed!");
iounmap(FlashReg);
return -ENOMEM;
goto failed_disable;
}
nand_dbg_print(NAND_DBG_WARN,
"Spectra: Remapped flash base address: "
@ -2479,11 +2485,6 @@ static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
iowrite32(0, FlashReg + TWO_ROW_ADDR_CYCLES);
iowrite32(1, FlashReg + ECC_ENABLE);
enable_ecc = 1;
ret = pci_enable_device(dev);
if (ret) {
printk(KERN_ERR "Spectra: pci_enable_device failed.\n");
goto failed_req_csr;
}
pci_set_master(dev);
pndev->dev = dev;
@ -2558,9 +2559,10 @@ static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
failed_remap_csr:
pci_release_regions(dev);
failed_req_csr:
pci_disable_device(dev);
iounmap(FlashMem);
iounmap(FlashReg);
failed_disable:
pci_disable_device(dev);
return ret;
}