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misc: rtsx: conditionally build rtsx_pm_power_saving()

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On s390 allyesconfig, there is this build error
rtsx_pcr.c:1084:13: error: 'rtsx_pm_power_saving'
  defined but not used
 1084 | static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)
      |             ^~~~~~~~~~~~~~~~~~~~

rtsx_pm_power_saving() is only used by rtsx_pci_runtime_idle()
which is conditional on CONFIG_PM.  So conditionally build
rtsx_pm_power_saving() and the similar
rtsx_comm_pm_power_saving() and rtsx_enable_aspm().

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220213171907.2786442-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tom Rix 2022-02-13 09:19:07 -08:00 committed by Greg Kroah-Hartman
parent 3bdd6d5ad5
commit 2c9ae45354
1 changed files with 32 additions and 32 deletions
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64
drivers/misc/cardreader/rtsx_pcr.c
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@ -1054,38 +1054,6 @@ static int rtsx_pci_acquire_irq(struct rtsx_pcr *pcr)
return 0;
}
static void rtsx_enable_aspm(struct rtsx_pcr *pcr)
{
if (pcr->ops->set_aspm)
pcr->ops->set_aspm(pcr, true);
else
rtsx_comm_set_aspm(pcr, true);
}
static void rtsx_comm_pm_power_saving(struct rtsx_pcr *pcr)
{
struct rtsx_cr_option *option = &pcr->option;
if (option->ltr_enabled) {
u32 latency = option->ltr_l1off_latency;
if (rtsx_check_dev_flag(pcr, L1_SNOOZE_TEST_EN))
mdelay(option->l1_snooze_delay);
rtsx_set_ltr_latency(pcr, latency);
}
if (rtsx_check_dev_flag(pcr, LTR_L1SS_PWR_GATE_EN))
rtsx_set_l1off_sub_cfg_d0(pcr, 0);
rtsx_enable_aspm(pcr);
}
static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)
{
rtsx_comm_pm_power_saving(pcr);
}
static void rtsx_base_force_power_down(struct rtsx_pcr *pcr)
{
/* Set relink_time to 0 */
@ -1701,6 +1669,38 @@ out:
#ifdef CONFIG_PM
static void rtsx_enable_aspm(struct rtsx_pcr *pcr)
{
if (pcr->ops->set_aspm)
pcr->ops->set_aspm(pcr, true);
else
rtsx_comm_set_aspm(pcr, true);
}
static void rtsx_comm_pm_power_saving(struct rtsx_pcr *pcr)
{
struct rtsx_cr_option *option = &pcr->option;
if (option->ltr_enabled) {
u32 latency = option->ltr_l1off_latency;
if (rtsx_check_dev_flag(pcr, L1_SNOOZE_TEST_EN))
mdelay(option->l1_snooze_delay);
rtsx_set_ltr_latency(pcr, latency);
}
if (rtsx_check_dev_flag(pcr, LTR_L1SS_PWR_GATE_EN))
rtsx_set_l1off_sub_cfg_d0(pcr, 0);
rtsx_enable_aspm(pcr);
}
static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)
{
rtsx_comm_pm_power_saving(pcr);
}
static void rtsx_pci_shutdown(struct pci_dev *pcidev)
{
struct pcr_handle *handle = pci_get_drvdata(pcidev);