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Groups > linux.kernel > #1633293

[PATCH 2/3] staging: rtl8192u: Improve code readability

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Split the u4bAcParam parameter construction to multiple lines for easier
readability.

Signed-off-by: Tuomo Rinne <tuomo.rinne@gmail.com>
---
 drivers/staging/rtl8192u/r8192U_dm.c | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index 16cafb62..5e84ed7 100644
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -2300,20 +2300,30 @@ static void dm_check_edca_turbo(
 		 * Restore original EDCA according to the declaration of AP.
 		 */
 		if (priv->bcurrent_turbo_EDCA) {
-			u8		u1bAIFS;
-			u32		u4bAcParam;
+			u8	u1bAIFS;
+			u32	u4bAcParam, op_limit, cw_max, cw_min;
+
 			struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
 			u8 mode = priv->ieee80211->mode;
 
 			/*  For Each time updating EDCA parameter, reset EDCA turbo mode status. */
 			dm_init_edca_turbo(dev);
-			u1bAIFS = qos_parameters->aifs[0] * ((mode&(IEEE_G|IEEE_N_24G)) ? 9 : 20) + aSifsTime;
-			u4bAcParam = (((le16_to_cpu(qos_parameters->tx_op_limit[0])) << AC_PARAM_TXOP_LIMIT_OFFSET)|
-				((le16_to_cpu(qos_parameters->cw_max[0])) << AC_PARAM_ECW_MAX_OFFSET)|
-				((le16_to_cpu(qos_parameters->cw_min[0])) << AC_PARAM_ECW_MIN_OFFSET)|
-				((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
-			/*write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);*/
-			write_nic_dword(dev, EDCAPARA_BE,  u4bAcParam);
+
+			u1bAIFS = qos_parameters->aifs[0] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
+
+			op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[0]);
+			cw_max   = (u32)le16_to_cpu(qos_parameters->cw_max[0]);
+			cw_min   = (u32)le16_to_cpu(qos_parameters->cw_min[0]);
+
+			op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
+			cw_max   <<= AC_PARAM_ECW_MAX_OFFSET;
+			cw_min   <<= AC_PARAM_ECW_MIN_OFFSET;
+			u1bAIFS  <<= AC_PARAM_AIFS_OFFSET;
+
+			u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
+
+			write_nic_dword(dev, EDCAPARA_BE, u4bAcParam);
+
 
 			/*
 			 * Check ACM bit.
-- 
2.1.4

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Re: [PATCH] staging: rtl8192u: Improve readability and fix sparse  warnings: cast from restricted __le16 Greg KH <gregkh@linuxfoundation.org> - 2017-04-28 12:40 +0200
  [PATCH 1/3] staging: rtl8192u: Remove unnecessary scope Tuomo Rinne <tuomo.rinne@gmail.com> - 2017-04-29 13:40 +0200
    [PATCH 2/3] staging: rtl8192u: Improve code readability Tuomo Rinne <tuomo.rinne@gmail.com> - 2017-04-29 13:40 +0200
    [PATCH 3/3] staging: rtl8192u: Convert u4bAcParam back to little-endian after construction Tuomo Rinne <tuomo.rinne@gmail.com> - 2017-04-29 13:40 +0200

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