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Subject[PATCH 2/2] drivers: usb: gadget: add multiple definition guards
If f_fs.c and u_serial.c are combined together using #include, which has
been a common practice so far, the pr_vdebug macro is defined multiple
times. Define it only once.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
drivers/usb/gadget/f_fs.c | 4 ++++
drivers/usb/gadget/u_serial.c | 4 ++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index dcd1c7f..27c841d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -33,11 +33,15 @@
/* Debugging ****************************************************************/

#ifdef VERBOSE_DEBUG
+#ifndef pr_vdebug
# define pr_vdebug pr_debug
+#endif /* pr_vdebug */
# define ffs_dump_mem(prefix, ptr, len) \
print_hex_dump_bytes(pr_fmt(prefix ": "), DUMP_PREFIX_NONE, ptr, len)
#else
+#ifndef pr_vdebug
# define pr_vdebug(...) do { } while (0)
+#endif /* pr_vdebug */
# define ffs_dump_mem(prefix, ptr, len) do { } while (0)
#endif /* VERBOSE_DEBUG */

diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index 5b3f5ff..da6d479 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -132,11 +132,15 @@ static unsigned n_ports;


#ifdef VERBOSE_DEBUG
+#ifndef pr_vdebug
#define pr_vdebug(fmt, arg...) \
pr_debug(fmt, ##arg)
+#endif /* pr_vdebug */
#else
+#ifndef pr_vdebig
#define pr_vdebug(fmt, arg...) \
({ if (0) pr_debug(fmt, ##arg); })
+#endif /* pr_vdebug */
#endif

/*-------------------------------------------------------------------------*/
--
1.7.0.4


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