mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-29 23:53:32 +00:00
Code Issues Releases Wiki Activity

Staging: rts5208: helper function to manage 1lun and 2lun modes

Browse source 
Use a helper function to manage lun modes when SUPPORT_OCP is defined

Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabio Falzoi 2015-06-14 15:48:52 +02:00 committed by Greg Kroah-Hartman
parent 76d833a8d9
commit 00aa7161fc
1 changed files with 53 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

97
drivers/staging/rts5208/rtsx_chip.c
View file

@ -1269,6 +1269,55 @@ static void rtsx_manage_idle(struct rtsx_chip *chip)
rtsx_force_power_down(chip, SSC_PDCTL | OC_PDCTL);
}
static void rtsx_manage_2lun_mode(struct rtsx_chip *chip)
{
#ifdef SUPPORT_OCP
u8 sd_oc, ms_oc;
sd_oc = chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER);
ms_oc = chip->ocp_stat & (MS_OC_NOW | MS_OC_EVER);
if (sd_oc || ms_oc)
dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
chip->ocp_stat);
if (sd_oc && (chip->card_exist & SD_CARD)) {
rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0);
card_power_off(chip, SD_CARD);
chip->card_fail |= SD_CARD;
}
if (ms_oc && (chip->card_exist & MS_CARD)) {
rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0);
card_power_off(chip, MS_CARD);
chip->card_fail |= MS_CARD;
}
#endif
}
static void rtsx_manage_1lun_mode(struct rtsx_chip *chip)
{
#ifdef SUPPORT_OCP
if (!(chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)))
return;
dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
chip->ocp_stat);
if (chip->card_exist & SD_CARD) {
rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0);
chip->card_fail |= SD_CARD;
} else if (chip->card_exist & MS_CARD) {
rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0);
chip->card_fail |= MS_CARD;
} else if (chip->card_exist & XD_CARD) {
rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0);
chip->card_fail |= XD_CARD;
}
card_power_off(chip, SD_CARD);
#endif
}
void rtsx_polling_func(struct rtsx_chip *chip)
{
if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND))
@ -1317,50 +1366,10 @@ void rtsx_polling_func(struct rtsx_chip *chip)
break;
}
#ifdef SUPPORT_OCP
if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) {
if (chip->ocp_stat &
(SD_OC_NOW | SD_OC_EVER | MS_OC_NOW | MS_OC_EVER))
dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
chip->ocp_stat);
if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
if (chip->card_exist & SD_CARD) {
rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN,
0);
card_power_off(chip, SD_CARD);
chip->card_fail |= SD_CARD;
}
}
if (chip->ocp_stat & (MS_OC_NOW | MS_OC_EVER)) {
if (chip->card_exist & MS_CARD) {
rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN,
0);
card_power_off(chip, MS_CARD);
chip->card_fail |= MS_CARD;
}
}
} else {
if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
chip->ocp_stat);
if (chip->card_exist & SD_CARD) {
rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN,
0);
chip->card_fail |= SD_CARD;
} else if (chip->card_exist & MS_CARD) {
rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN,
0);
chip->card_fail |= MS_CARD;
} else if (chip->card_exist & XD_CARD) {
rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN,
0);
chip->card_fail |= XD_CARD;
}
card_power_off(chip, SD_CARD);
}
}
#endif
if (CHECK_LUN_MODE(chip, SD_MS_2LUN))
rtsx_manage_2lun_mode(chip);
else
rtsx_manage_1lun_mode(chip);
delink_stage:
if (chip->auto_delink_en && chip->auto_delink_allowed &&