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powerpc/powernv: Remove pnv_eeh_cap_start() 

This moves the logic of pnv_eeh_cap_start() to pnv_eeh_find_cap()
as the function is only called by pnv_eeh_find_cap(). The logic
of both functions are pretty simple. No need to have separate
functions.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Gavin Shan 2015-10-08 14:58:58 +11:00 committed by Michael Ellerman
parent 608fb9c296
commit 4d6186ca6f
1 changed files with 5 additions and 14 deletions
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19
arch/powerpc/platforms/powernv/eeh-powernv.c
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@ -281,29 +281,20 @@ static int pnv_eeh_post_init(void)
return ret;
}
static int pnv_eeh_cap_start(struct pci_dn *pdn)
static int pnv_eeh_find_cap(struct pci_dn *pdn, int cap)
{
u32 status;
int pos = PCI_CAPABILITY_LIST;
int cnt = 48; /* Maximal number of capabilities */
u32 status, id;
if (!pdn)
return 0;
/* Check if the device supports capabilities */
pnv_pci_cfg_read(pdn, PCI_STATUS, 2, &status);
if (!(status & PCI_STATUS_CAP_LIST))
return 0;
return PCI_CAPABILITY_LIST;
}
static int pnv_eeh_find_cap(struct pci_dn *pdn, int cap)
{
int pos = pnv_eeh_cap_start(pdn);
int cnt = 48; /* Maximal number of capabilities */
u32 id;
if (!pos)
return 0;
while (cnt--) {
pnv_pci_cfg_read(pdn, pos, 1, &pos);
if (pos < 0x40)