[PATCH 3/7] Staging: rts5208: helper function to manage ss

From: Fabio Falzoi
Date: Sun Jun 14 2015 - 09:50:33 EST


Use a helper function to manage ss_counter

Signed-off-by: Fabio Falzoi <fabio.falzoi84@xxxxxxxxx>
---
drivers/staging/rts5208/rtsx_chip.c | 66 ++++++++++++++++++-------------------
1 file changed, 33 insertions(+), 33 deletions(-)

diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index 5946cc4..373ccd0 100644
--- a/drivers/staging/rts5208/rtsx_chip.c
+++ b/drivers/staging/rts5208/rtsx_chip.c
@@ -1184,10 +1184,40 @@ static void rtsx_manage_sd_lock(struct rtsx_chip *chip)
#endif
}

-void rtsx_polling_func(struct rtsx_chip *chip)
+static bool rtsx_is_ss_allowed(struct rtsx_chip *chip)
+{
+ u32 val;
+
+ if (!chip->ss_en || CHECK_PID(chip, 0x5288))
+ return false;
+
+ if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip)) {
+ rtsx_read_cfg_dw(chip, 1, 0x04, &val);
+ if (val & 0x07)
+ return false;
+ }
+
+ return true;
+}
+
+static void rtsx_manage_ss(struct rtsx_chip *chip)
{
- bool ss_allowed;
+ if (!rtsx_is_ss_allowed(chip) || chip->sd_io)
+ return;
+
+ if (rtsx_get_stat(chip) != RTSX_STAT_IDLE) {
+ chip->ss_counter = 0;
+ return;
+ }

+ if (chip->ss_counter < (chip->ss_idle_period / POLLING_INTERVAL))
+ chip->ss_counter++;
+ else
+ rtsx_exclusive_enter_ss(chip);
+}
+
+void rtsx_polling_func(struct rtsx_chip *chip)
+{
if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND))
return;

@@ -1209,37 +1239,7 @@ void rtsx_polling_func(struct rtsx_chip *chip)

rtsx_init_cards(chip);

- if (chip->ss_en) {
- ss_allowed = true;
-
- if (CHECK_PID(chip, 0x5288)) {
- ss_allowed = false;
- } else {
- if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip)) {
- u32 val;
-
- rtsx_read_cfg_dw(chip, 1, 0x04, &val);
- if (val & 0x07)
- ss_allowed = false;
- }
- }
- } else {
- ss_allowed = false;
- }
-
- if (ss_allowed && !chip->sd_io) {
- if (rtsx_get_stat(chip) != RTSX_STAT_IDLE) {
- chip->ss_counter = 0;
- } else {
- if (chip->ss_counter <
- (chip->ss_idle_period / POLLING_INTERVAL)) {
- chip->ss_counter++;
- } else {
- rtsx_exclusive_enter_ss(chip);
- return;
- }
- }
- }
+ rtsx_manage_ss(chip);

if (CHECK_PID(chip, 0x5208)) {
rtsx_monitor_aspm_config(chip);
--
2.1.4

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