[PATCH 4/4] staging: wilc1000: use GENMASK to extract wid type
Adham.Abozaeid at microchip.com
Adham.Abozaeid at microchip.com
Fri Nov 22 20:52:05 UTC 2019
From: Ajay Singh <ajay.kathat at microchip.com>
Refactor code by make use of 'GENMASK' to extract the WID type from
buffer received from firmware.
Signed-off-by: Ajay Singh <ajay.kathat at microchip.com>
---
drivers/staging/wilc1000/wlan.h | 1 +
drivers/staging/wilc1000/wlan_cfg.c | 8 ++++----
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/wilc1000/wlan.h b/drivers/staging/wilc1000/wlan.h
index 1f6957cf2e9c..44ae6ed6882c 100644
--- a/drivers/staging/wilc1000/wlan.h
+++ b/drivers/staging/wilc1000/wlan.h
@@ -197,6 +197,7 @@
#define IS_MANAGMEMENT_CALLBACK 0x080
#define IS_MGMT_STATUS_SUCCES 0x040
+#define WILC_WID_TYPE GENMASK(15, 12)
/********************************************
*
* Tx/Rx Queue Structure
diff --git a/drivers/staging/wilc1000/wlan_cfg.c b/drivers/staging/wilc1000/wlan_cfg.c
index 6f6b286788d1..2538435b82fd 100644
--- a/drivers/staging/wilc1000/wlan_cfg.c
+++ b/drivers/staging/wilc1000/wlan_cfg.c
@@ -4,6 +4,7 @@
* All rights reserved.
*/
+#include <linux/bitfield.h>
#include "wlan_if.h"
#include "wlan.h"
#include "wlan_cfg.h"
@@ -132,7 +133,6 @@ static int wilc_wlan_cfg_set_bin(u8 *frame, u32 offset, u16 id, u8 *b, u32 size)
*
********************************************/
-#define GET_WID_TYPE(wid) (((wid) >> 12) & 0x7)
static void wilc_wlan_parse_response_frame(struct wilc *wl, u8 *info, int size)
{
u16 wid;
@@ -142,7 +142,7 @@ static void wilc_wlan_parse_response_frame(struct wilc *wl, u8 *info, int size)
i = 0;
wid = get_unaligned_le16(info);
- switch (GET_WID_TYPE(wid)) {
+ switch (FIELD_GET(WILC_WID_TYPE, wid)) {
case WID_CHAR:
do {
if (wl->cfg.b[i].id == WID_NIL)
@@ -244,7 +244,7 @@ static void wilc_wlan_parse_info_frame(struct wilc *wl, u8 *info)
int wilc_wlan_cfg_set_wid(u8 *frame, u32 offset, u16 id, u8 *buf, int size)
{
- u8 type = (id >> 12) & 0xf;
+ u8 type = FIELD_GET(WILC_WID_TYPE, id);
int ret = 0;
switch (type) {
@@ -290,7 +290,7 @@ int wilc_wlan_cfg_get_wid(u8 *frame, u32 offset, u16 id)
int wilc_wlan_cfg_get_val(struct wilc *wl, u16 wid, u8 *buffer,
u32 buffer_size)
{
- u32 type = (wid >> 12) & 0xf;
+ u8 type = FIELD_GET(WILC_WID_TYPE, wid);
int i, ret = 0;
i = 0;
--
2.24.0
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