[PATCH v3] rtlwifi: Fix improve function 'rtl_addr_delay()' in core.c

[Byeoungwook Kim]

Conditional codes in rtl_addr_delay() were improved in readability and
performance by using switch codes.

Reviewed-by: Julian Calaby <julian.cal...@gmail.com>
Signed-off-by: Byeoungwook Kim <quddnr...@gmail.com>
Signed-off-by: Fengguang Wu <fengguang...@intel.com>
---
V3 remove unneeded semicolon.
V2 split in separate patchs.
 drivers/net/wireless/realtek/rtlwifi/core.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c 
b/drivers/net/wireless/realtek/rtlwifi/core.c
index 4ae421e..63cda78 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -37,18 +37,26 @@
 
 void rtl_addr_delay(u32 addr)
 {
-       if (addr == 0xfe)
+       switch (addr) {
+       case 0xfe:
                mdelay(50);
-       else if (addr == 0xfd)
+               break;
+       case 0xfd:
                mdelay(5);
-       else if (addr == 0xfc)
+               break;
+       case 0xfc:
                mdelay(1);
-       else if (addr == 0xfb)
+               break;
+       case 0xfb:
                udelay(50);
-       else if (addr == 0xfa)
+               break;
+       case 0xfa:
                udelay(5);
-       else if (addr == 0xf9)
+               break;
+       case 0xf9:
                udelay(1);
+               break;
+       }
 }
 EXPORT_SYMBOL(rtl_addr_delay);
 
-- 
2.5.0