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PCI: dwc: ep: Remove superfluous function dw_pcie_ep_find_ext_capability()

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Remove the superfluous function dw_pcie_ep_find_ext_capability(),
as it is virtually identical to dw_pcie_find_ext_capability().

Signed-off-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250221202646.395252-3-cassel@kernel.org
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
This commit is contained in:
Niklas Cassel 2025-02-21 21:26:47 +01:00 committed by Krzysztof Wilczyński
parent 934e9d137d
commit a60a708420
No known key found for this signature in database
GPG Key ID: 7C64768D3DE334E7
1 changed files with 3 additions and 21 deletions
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24
drivers/pci/controller/dwc/pcie-designware-ep.c
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@ -102,24 +102,6 @@ static u8 dw_pcie_ep_find_capability(struct dw_pcie_ep *ep, u8 func_no, u8 cap)
return __dw_pcie_ep_find_next_cap(ep, func_no, next_cap_ptr, cap);
}
static unsigned int dw_pcie_ep_find_ext_capability(struct dw_pcie *pci, int cap)
{
u32 header;
int pos = PCI_CFG_SPACE_SIZE;
while (pos) {
header = dw_pcie_readl_dbi(pci, pos);
if (PCI_EXT_CAP_ID(header) == cap)
return pos;
pos = PCI_EXT_CAP_NEXT(header);
if (!pos)
break;
}
return 0;
}
static int dw_pcie_ep_write_header(struct pci_epc *epc, u8 func_no, u8 vfunc_no,
struct pci_epf_header *hdr)
{
@ -230,7 +212,7 @@ static unsigned int dw_pcie_ep_get_rebar_offset(struct dw_pcie *pci,
unsigned int offset, nbars;
int i;
offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR);
offset = dw_pcie_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR);
if (!offset)
return offset;
@ -846,7 +828,7 @@ static void dw_pcie_ep_init_non_sticky_registers(struct dw_pcie *pci)
enum pci_barno bar;
u32 reg, i, val;
offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR);
offset = dw_pcie_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR);
dw_pcie_dbi_ro_wr_en(pci);
@ -969,7 +951,7 @@ int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep)
if (ep->ops->init)
ep->ops->init(ep);
ptm_cap_base = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_PTM);
ptm_cap_base = dw_pcie_find_ext_capability(pci, PCI_EXT_CAP_ID_PTM);
/*
* PTM responder capability can be disabled only after disabling