Commit 60dda6c0 authored by Hauke Mehrtens's avatar Hauke Mehrtens Committed by John W. Linville
Browse files

brcmsmac: remove pcicore_find_pci_capability()



This function is now unreferenced
Signed-off-by: default avatarHauke Mehrtens <hauke@hauke-m.de>
Tested-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9a1fcffa
......@@ -240,70 +240,6 @@ void pcicore_deinit(struct pcicore_info *pch)
kfree(pch);
}
/* return cap_offset if requested capability exists in the PCI config space */
/* Note that it's caller's responsibility to make sure it's a pci bus */
u8
pcicore_find_pci_capability(struct pci_dev *dev, u8 req_cap_id,
unsigned char *buf, u32 *buflen)
{
u8 cap_id;
u8 cap_ptr = 0;
u32 bufsize;
u8 byte_val;
/* check for Header type 0 */
pci_read_config_byte(dev, PCI_HEADER_TYPE, &byte_val);
if ((byte_val & 0x7f) != PCI_HEADER_TYPE_NORMAL)
goto end;
/* check if the capability pointer field exists */
pci_read_config_byte(dev, PCI_STATUS, &byte_val);
if (!(byte_val & PCI_STATUS_CAP_LIST))
goto end;
pci_read_config_byte(dev, PCI_CAPABILITY_LIST, &cap_ptr);
/* check if the capability pointer is 0x00 */
if (cap_ptr == 0x00)
goto end;
/* loop thru the capability list
* and see if the pcie capability exists
*/
pci_read_config_byte(dev, cap_ptr, &cap_id);
while (cap_id != req_cap_id) {
pci_read_config_byte(dev, cap_ptr + 1, &cap_ptr);
if (cap_ptr == 0x00)
break;
pci_read_config_byte(dev, cap_ptr, &cap_id);
}
if (cap_id != req_cap_id)
goto end;
/* found the caller requested capability */
if (buf != NULL && buflen != NULL) {
u8 cap_data;
bufsize = *buflen;
if (!bufsize)
goto end;
*buflen = 0;
/* copy the capability data excluding cap ID and next ptr */
cap_data = cap_ptr + 2;
if ((bufsize + cap_data) > PCI_SZPCR)
bufsize = PCI_SZPCR - cap_data;
*buflen = bufsize;
while (bufsize--) {
pci_read_config_byte(dev, cap_data, buf);
cap_data++;
buf++;
}
}
end:
return cap_ptr;
}
/* ***** Register Access API */
static uint
pcie_readreg(struct bcma_device *core, uint addrtype, uint offset)
......
......@@ -66,8 +66,6 @@ extern struct pcicore_info *pcicore_init(struct si_pub *sih,
extern void pcicore_deinit(struct pcicore_info *pch);
extern void pcicore_up(struct pcicore_info *pch, int state);
extern void pcicore_down(struct pcicore_info *pch, int state);
extern u8 pcicore_find_pci_capability(struct pci_dev *dev, u8 req_cap_id,
unsigned char *buf, u32 *buflen);
extern void pcicore_fixcfg(struct pcicore_info *pch);
#endif /* _BRCM_NICPCI_H_ */
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