staging: rtl8723bs: remove unused 'poll_cnt' from rtw_set_rpwm()

The 'poll_cnt' is used to assist in polling hardware state. Current code
uses jiffies to determine timeout, so removing this value is safe.

Otherwise, clang warns:

core/rtw_pwrctrl.c:288:6: warning:
	 variable 'poll_cnt' set but not used [-Wunused-but-set-variable]
  288 |                 u8 poll_cnt = 0;
      |                    ^

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240913002815.5149-5-pkshih@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c
index a95092129748dfe74fa638f47819d28f5b49c17e..dbfcbac3d85554b43940e17c35b4def3f530202b 100644 (file)
--- a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c
+++ b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c
@@ -284,14 +284,12 @@ void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
        if (rpwm & PS_ACK) {
                unsigned long start_time;
                u8 cpwm_now;
-               u8 poll_cnt = 0;
 
                start_time = jiffies;
 
                /*  polling cpwm */
                do {
                        mdelay(1);
-                       poll_cnt++;
                        rtw_hal_get_hwreg(padapter, HW_VAR_CPWM, &cpwm_now);
                        if ((cpwm_orig ^ cpwm_now) & 0x80) {
                                pwrpriv->cpwm = PS_STATE_S4;