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Staging: rts5208: helper function to manage aspm 

Use a helper function to manage aspm mode

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 15:48:50 +02:00 committed by Greg Kroah-Hartman
parent 319499380c
commit 884a27e36e
1 changed files with 30 additions and 21 deletions
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51
drivers/staging/rts5208/rtsx_chip.c
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@ -1216,6 +1216,35 @@ static void rtsx_manage_ss(struct rtsx_chip *chip)
rtsx_exclusive_enter_ss(chip); rtsx_exclusive_enter_ss(chip);
} }
static void rtsx_manage_aspm(struct rtsx_chip *chip)
{
u8 data;
if (!CHECK_PID(chip, 0x5208))
return;
rtsx_monitor_aspm_config(chip);
#ifdef SUPPORT_SDIO_ASPM
if (!CHK_SDIO_EXIST(chip) || CHK_SDIO_IGNORED(chip) ||
!chip->aspm_l0s_l1_en || !chip->dynamic_aspm)
return;
if (chip->sd_io) {
dynamic_configure_sdio_aspm(chip);
return;
}
if (chip->sdio_aspm)
return;
dev_dbg(rtsx_dev(chip), "SDIO enter ASPM!\n");
data = 0x30 | (chip->aspm_level[1] << 2);
rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFC, data);
chip->sdio_aspm = 1;
#endif
}
void rtsx_polling_func(struct rtsx_chip *chip) void rtsx_polling_func(struct rtsx_chip *chip)
{ {
if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND)) if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND))
@ -1241,27 +1270,7 @@ void rtsx_polling_func(struct rtsx_chip *chip)
rtsx_manage_ss(chip); rtsx_manage_ss(chip);
if (CHECK_PID(chip, 0x5208)) { rtsx_manage_aspm(chip);
rtsx_monitor_aspm_config(chip);
#ifdef SUPPORT_SDIO_ASPM
if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip) &&
chip->aspm_l0s_l1_en && chip->dynamic_aspm) {
if (chip->sd_io) {
dynamic_configure_sdio_aspm(chip);
} else {
if (!chip->sdio_aspm) {
dev_dbg(rtsx_dev(chip), "SDIO enter ASPM!\n");
rtsx_write_register(chip,
ASPM_FORCE_CTL, 0xFC,
0x30 |
(chip->aspm_level[1] << 2));
chip->sdio_aspm = 1;
}
}
}
#endif
}
if (chip->idle_counter < IDLE_MAX_COUNT) { if (chip->idle_counter < IDLE_MAX_COUNT) {
chip->idle_counter++; chip->idle_counter++;