misc: rtsx: Remove deadcode

The last uses of rtsx_ms_power_off_card3v3() and
rtsx_sd_power_off_card3v3() were removed by 2019's
commit bede03a579b3 ("misc: rtsx: Enable OCP for rts522a rts524a rts525a
rts5260")

The last use of rtsx_pci_transfer_data() was removed by 2024's
commit d0f459259c13 ("memstick: rtsx_pci_ms: Remove Realtek PCI memstick
driver")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/misc/cardreader/rtsx_pcr.c

···
 	pcr->sgi++;
 }
 
-int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
-		int num_sg, bool read, int timeout)
-{
-	int err = 0, count;
-
-	pcr_dbg(pcr, "--> %s: num_sg = %d\n", __func__, num_sg);
-	count = rtsx_pci_dma_map_sg(pcr, sglist, num_sg, read);
-	if (count < 1)
-		return -EINVAL;
-	pcr_dbg(pcr, "DMA mapping count: %d\n", count);
-
-	err = rtsx_pci_dma_transfer(pcr, sglist, count, read, timeout);
-
-	rtsx_pci_dma_unmap_sg(pcr, sglist, num_sg, read);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(rtsx_pci_transfer_data);
-
 int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
 		int num_sg, bool read)
 {
···
 	rtsx_pci_write_register(pcr, REG_CFG_VCM_ON_TIMER, 0xFF, 0x03);
 	rtsx_pci_write_register(pcr, REG_CFG_OOBS_POLLING, 0xFF, 0x00);
 
-}
-
-int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr)
-{
-	rtsx_pci_write_register(pcr, CARD_CLK_EN, SD_CLK_EN |
-		MS_CLK_EN | SD40_CLK_EN, 0);
-	rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, 0);
-	rtsx_pci_card_power_off(pcr, RTSX_SD_CARD);
-
-	msleep(50);
-
-	rtsx_pci_card_pull_ctl_disable(pcr, RTSX_SD_CARD);
-
-	return 0;
-}
-
-int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr)
-{
-	rtsx_pci_write_register(pcr, CARD_CLK_EN, SD_CLK_EN |
-		MS_CLK_EN | SD40_CLK_EN, 0);
-
-	rtsx_pci_card_pull_ctl_disable(pcr, RTSX_MS_CARD);
-
-	rtsx_pci_write_register(pcr, CARD_OE, MS_OUTPUT_EN, 0);
-	rtsx_pci_card_power_off(pcr, RTSX_MS_CARD);
-
-	return 0;
 }
 
 static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)

drivers/misc/cardreader/rtsx_pcr.h

···
 void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
 void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr);
 void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr);
-int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
-int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
 
 #endif

include/linux/rtsx_pci.h

···
 		u8 cmd_type, u16 reg_addr, u8 mask, u8 data);
 void rtsx_pci_send_cmd_no_wait(struct rtsx_pcr *pcr);
 int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout);
-int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
-		int num_sg, bool read, int timeout);
 int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
 		int num_sg, bool read);
 void rtsx_pci_dma_unmap_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,