misc: rtsx: Remove unused pcie_cap

There are no more uses of struct rtsx_pcr.pcie_cap.  Remove it.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200721212336.1159079-3-helgaas@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/cardreader/rtsx_pcr.c

@@ -1253,7 +1253,6 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG1, RTS5228_LDO1_SR_TIME_MASK,
 				RTS5228_LDO1_SR_0_5);
 
-	pcr->pcie_cap = pci_find_capability(pcr->pci, PCI_CAP_ID_EXP);
 	rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr);
 
 	rtsx_pci_enable_bus_int(pcr);

include/linux/rtsx_pci.h

@@ -1166,7 +1166,6 @@ struct rtsx_hw_param {
 struct rtsx_pcr {
 	struct pci_dev			*pci;
 	unsigned int			id;
-	int				pcie_cap;
 	struct rtsx_cr_option	option;
 	struct rtsx_hw_param hw_param;