[PATCH 4/7] Staging: rts5208: helper function to manage aspm

From: Fabio Falzoi
Date: Sun Jun 14 2015 - 09:50:09 EST


Use a helper function to manage aspm mode

Signed-off-by: Fabio Falzoi <fabio.falzoi84@xxxxxxxxx>
---
drivers/staging/rts5208/rtsx_chip.c | 51 ++++++++++++++++++++++---------------
1 file changed, 30 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index 373ccd0..ee331f2 100644
--- a/drivers/staging/rts5208/rtsx_chip.c
+++ b/drivers/staging/rts5208/rtsx_chip.c
@@ -1216,6 +1216,35 @@ static void rtsx_manage_ss(struct rtsx_chip *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)
{
if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND))
@@ -1241,27 +1270,7 @@ void rtsx_polling_func(struct rtsx_chip *chip)

rtsx_manage_ss(chip);

- if (CHECK_PID(chip, 0x5208)) {
- 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
- }
+ rtsx_manage_aspm(chip);

if (chip->idle_counter < IDLE_MAX_COUNT) {
chip->idle_counter++;
--
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/