staging: rtl8192e: Use standard api to calculate frequency to channel

Use ieee80211_freq_khz_to_channel() to calculate frequency to channel to
omit proprietary code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Message-ID: <fc332e81f6677965e9e51f1fcef9815997effcb5.1686166624.git.philipp.g.hortmann@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
index 78a70e5..6fd2e94 100644 (file)
--- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c
@@ -42,15 +42,8 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a,
        if (fwrq->e == 1) {
                if ((fwrq->m >= (int)2.412e8 &&
                     fwrq->m <= (int)2.487e8)) {
-                       int f = fwrq->m / 100000;
-                       int c = 0;
-
-                       while ((c < 14) && (f != rtllib_wlan_frequencies[c]))
-                               c++;
-
-                       /* hack to fall through */
+                       fwrq->m = ieee80211_freq_khz_to_channel(fwrq->m / 100);
                        fwrq->e = 0;
-                       fwrq->m = c + 1;
                }
        }