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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

drivers/net/wireless/brcm80211/brcmsmac/nicpci.c

+0 −64
Original line number Diff line number Diff line
@@ -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)

drivers/net/wireless/brcm80211/brcmsmac/nicpci.h

+0 −2
Original line number Diff line number Diff line
@@ -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_ */