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@xxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
