From: Anatolij Gustschin <agust@denx.de>
Date: Tue, 20 Dec 2011 02:29:03 +0000 (+0000)
Subject: drivers/net/e1000_spi.c: Fix build warnings
X-Git-Tag: v2011.12-rc3~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=deb7282f9ff2b1946628240d0a103f2907b60147;p=platform%2Fkernel%2Fu-boot.git

drivers/net/e1000_spi.c: Fix build warnings

Fix:
e1000_spi.c: In function 'spi_free_slave':
e1000_spi.c:115: warning: unused variable 'hw'
e1000_spi.c: In function 'do_e1000_spi':
e1000_spi.c:472: warning: 'checksum' may be used uninitialized in this function
e1000_spi.c:472: note: 'checksum' was declared here

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Acked-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
---

diff --git a/drivers/net/e1000_spi.c b/drivers/net/e1000_spi.c
index 5491780..5f774f4 100644
--- a/drivers/net/e1000_spi.c
+++ b/drivers/net/e1000_spi.c
@@ -1,4 +1,5 @@
 #include "e1000.h"
+#include <linux/compiler.h>
 
 /*-----------------------------------------------------------------------
  * SPI transfer
@@ -112,7 +113,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 
 void spi_free_slave(struct spi_slave *spi)
 {
-	struct e1000_hw *hw = e1000_hw_from_spi(spi);
+	__maybe_unused struct e1000_hw *hw = e1000_hw_from_spi(spi);
 	E1000_DBG(hw->nic, "EEPROM SPI access released\n");
 }
 
@@ -469,7 +470,7 @@ static int do_e1000_spi_program(cmd_tbl_t *cmdtp, struct e1000_hw *hw,
 static int do_e1000_spi_checksum(cmd_tbl_t *cmdtp, struct e1000_hw *hw,
 		int argc, char * const argv[])
 {
-	uint16_t i, length, checksum, checksum_reg;
+	uint16_t i, length, checksum = 0, checksum_reg;
 	uint16_t *buffer;
 	boolean_t upd;