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Subject[PATCH -next] misc: rtsx: fix build for CONFIG_PM not set
Date
When CONFG_WERROR=y and CONFIG_PM is not set, there are fatal build
errors, so surround these functions in an #ifdef CONFIG_PM block.

../drivers/misc/cardreader/rtsx_pcr.c:1057:13: error: ‘rtsx_enable_aspm’ defined but not used [-Werror=unused-function]
static void rtsx_enable_aspm(struct rtsx_pcr *pcr)
miscread001.out:../drivers/misc/cardreader/rtsx_pcr.c:1065:13: error: ‘rtsx_comm_pm_power_saving’ defined but not used [-Werror=unused-function]
miscread001.out: static void rtsx_comm_pm_power_saving(struct rtsx_pcr *pcr)
../drivers/misc/cardreader/rtsx_pcr.c:1084:13: error: ‘rtsx_pm_power_saving’ defined but not used [-Werror=unused-function]
static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)

Fixes: 597568e8df04 ("misc: rtsx: Rework runtime power management flow")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Wei WANG <wei_wang@realsil.com.cn>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
---
drivers/misc/cardreader/rtsx_pcr.c | 2 ++
1 file changed, 2 insertions(+)

--- linux-next-20220225.orig/drivers/misc/cardreader/rtsx_pcr.c
+++ linux-next-20220225/drivers/misc/cardreader/rtsx_pcr.c
@@ -1054,6 +1054,7 @@ static int rtsx_pci_acquire_irq(struct r
return 0;
}

+#ifdef CONFIG_PM
static void rtsx_enable_aspm(struct rtsx_pcr *pcr)
{
if (pcr->ops->set_aspm)
@@ -1085,6 +1086,7 @@ static void rtsx_pm_power_saving(struct
{
rtsx_comm_pm_power_saving(pcr);
}
+#endif

static void rtsx_base_force_power_down(struct rtsx_pcr *pcr)
{
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