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Date:	Thu, 12 Sep 2013 17:32:23 +0200
From:	Vladimir Murzin <murzin.v@...il.com>
To:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Cc:	coelho@...com, linville@...driver.com,
	Vladimir Murzin <murzin.v@...il.com>
Subject: [PATCH 3/3] wlcore: limit base for output buffer in dev_mem_read

dev_mem_read tries to speed up things a bit by limiting output
buffer which can not exceed WLCORE_MAX_BLOCK_SIZE. However,
WLCORE_MAX_BLOCK_SIZE is based on PAGE_SIZE which may vary.

Use 4K size base for buffer explicitly.

Signed-off-by: Vladimir Murzin <murzin.v@...il.com>
---
 drivers/net/wireless/ti/wlcore/debugfs.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c
index e17630c..6b413a7 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.c
+++ b/drivers/net/wireless/ti/wlcore/debugfs.c
@@ -38,7 +38,8 @@
 /* ms */
 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
 
-#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
+#define WLCORE_PAGE_SIZE	4096
+#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*WLCORE_PAGE_SIZE))
 
 /* debugfs macros idea from mac80211 */
 int wl1271_format_buffer(char __user *userbuf, size_t count,
-- 
1.7.10.4

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