[v3 03/11] rsi: define RSI_USB_BUF_SIZE macro

[Amitkumar Karwar]

RSI_USB_BUF_SIZE macro is used instead of hardcoding a buffer
size to 4096.

Signed-off-by: Amitkumar Karwar <amit.kar...@redpinesignals.com>
---
v3: Newly added patch in v3
---
 drivers/net/wireless/rsi/rsi_91x_usb.c | 4 ++--
 drivers/net/wireless/rsi/rsi_usb.h     | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c 
b/drivers/net/wireless/rsi/rsi_91x_usb.c
index cc8deec..be8487c 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -293,12 +293,12 @@ int rsi_usb_write_register_multiple(struct rsi_hw 
*adapter,
        u8 transfer;
        int status = 0;
 
-       buf = kzalloc(4096, GFP_KERNEL);
+       buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;
 
        while (count) {
-               transfer = (u8)(min_t(u32, count, 4096));
+               transfer = (u8)(min_t(u32, count, RSI_USB_BUF_SIZE));
                memcpy(buf, data, transfer);
                status = usb_control_msg(dev->usbdev,
                                         usb_sndctrlpipe(dev->usbdev, 0),
diff --git a/drivers/net/wireless/rsi/rsi_usb.h 
b/drivers/net/wireless/rsi/rsi_usb.h
index ebea0c4..48c9211 100644
--- a/drivers/net/wireless/rsi/rsi_usb.h
+++ b/drivers/net/wireless/rsi/rsi_usb.h
@@ -35,6 +35,8 @@
 #define MGMT_EP                      1
 #define DATA_EP                      2
 
+#define RSI_USB_BUF_SIZE            4096
+
 struct rsi_91x_usbdev {
        struct rsi_thread rx_thread;
        u8 endpoint;
-- 
2.7.4