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Date: Wed, 4 May 2011 12:30:39 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Emil Tantilov <emil.s.tantilov@...el.com>, netdev@...r.kernel.org,
gospo@...hat.com, bphilips@...ell.com,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 7/9] ixgbe: fix sparse warning
From: Emil Tantilov <emil.s.tantilov@...el.com>
warning: symbol 'before' shadows an earlier one
Convert large macros to functions similar to e1000e.
Signed-off-by: Emil Tantilov <emil.s.tantilov@...el.com>
Acked-by: Don Skidmore <donald.c.skidmore@...el.com>
Tested-by: Evan Swanson <evan.swanson@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ixgbe/ixgbe_ethtool.c | 108 +++++++++++++++++++++----------------
1 files changed, 62 insertions(+), 46 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index bcba057..410c298 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1236,46 +1236,62 @@ static const struct ixgbe_reg_test reg_test_82598[] = {
{ 0, 0, 0, 0 }
};
-static const u32 register_test_patterns[] = {
- 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
-};
-
-#define REG_PATTERN_TEST(R, M, W) \
-{ \
- u32 pat, val, before; \
- for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \
- before = readl(adapter->hw.hw_addr + R); \
- writel((register_test_patterns[pat] & W), \
- (adapter->hw.hw_addr + R)); \
- val = readl(adapter->hw.hw_addr + R); \
- if (val != (register_test_patterns[pat] & W & M)) { \
- e_err(drv, "pattern test reg %04X failed: got " \
- "0x%08X expected 0x%08X\n", \
- R, val, (register_test_patterns[pat] & W & M)); \
- *data = R; \
- writel(before, adapter->hw.hw_addr + R); \
- return 1; \
- } \
- writel(before, adapter->hw.hw_addr + R); \
- } \
+static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
+ u32 mask, u32 write)
+{
+ u32 pat, val, before;
+ static const u32 test_pattern[] = {
+ 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
+
+ for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
+ before = readl(adapter->hw.hw_addr + reg);
+ writel((test_pattern[pat] & write),
+ (adapter->hw.hw_addr + reg));
+ val = readl(adapter->hw.hw_addr + reg);
+ if (val != (test_pattern[pat] & write & mask)) {
+ e_err(drv, "pattern test reg %04X failed: got "
+ "0x%08X expected 0x%08X\n",
+ reg, val, (test_pattern[pat] & write & mask));
+ *data = reg;
+ writel(before, adapter->hw.hw_addr + reg);
+ return 1;
+ }
+ writel(before, adapter->hw.hw_addr + reg);
+ }
+ return 0;
}
-#define REG_SET_AND_CHECK(R, M, W) \
-{ \
- u32 val, before; \
- before = readl(adapter->hw.hw_addr + R); \
- writel((W & M), (adapter->hw.hw_addr + R)); \
- val = readl(adapter->hw.hw_addr + R); \
- if ((W & M) != (val & M)) { \
- e_err(drv, "set/check reg %04X test failed: got 0x%08X " \
- "expected 0x%08X\n", R, (val & M), (W & M)); \
- *data = R; \
- writel(before, (adapter->hw.hw_addr + R)); \
- return 1; \
- } \
- writel(before, (adapter->hw.hw_addr + R)); \
+static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
+ u32 mask, u32 write)
+{
+ u32 val, before;
+ before = readl(adapter->hw.hw_addr + reg);
+ writel((write & mask), (adapter->hw.hw_addr + reg));
+ val = readl(adapter->hw.hw_addr + reg);
+ if ((write & mask) != (val & mask)) {
+ e_err(drv, "set/check reg %04X test failed: got 0x%08X "
+ "expected 0x%08X\n", reg, (val & mask), (write & mask));
+ *data = reg;
+ writel(before, (adapter->hw.hw_addr + reg));
+ return 1;
+ }
+ writel(before, (adapter->hw.hw_addr + reg));
+ return 0;
}
+#define REG_PATTERN_TEST(reg, mask, write) \
+ do { \
+ if (reg_pattern_test(adapter, data, reg, mask, write)) \
+ return 1; \
+ } while (0) \
+
+
+#define REG_SET_AND_CHECK(reg, mask, write) \
+ do { \
+ if (reg_set_and_check(adapter, data, reg, mask, write)) \
+ return 1; \
+ } while (0) \
+
static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
{
const struct ixgbe_reg_test *test;
@@ -1326,13 +1342,13 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
switch (test->test_type) {
case PATTERN_TEST:
REG_PATTERN_TEST(test->reg + (i * 0x40),
- test->mask,
- test->write);
+ test->mask,
+ test->write);
break;
case SET_READ_TEST:
REG_SET_AND_CHECK(test->reg + (i * 0x40),
- test->mask,
- test->write);
+ test->mask,
+ test->write);
break;
case WRITE_NO_TEST:
writel(test->write,
@@ -1341,18 +1357,18 @@ static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
break;
case TABLE32_TEST:
REG_PATTERN_TEST(test->reg + (i * 4),
- test->mask,
- test->write);
+ test->mask,
+ test->write);
break;
case TABLE64_TEST_LO:
REG_PATTERN_TEST(test->reg + (i * 8),
- test->mask,
- test->write);
+ test->mask,
+ test->write);
break;
case TABLE64_TEST_HI:
REG_PATTERN_TEST((test->reg + 4) + (i * 8),
- test->mask,
- test->write);
+ test->mask,
+ test->write);
break;
}
}
--
1.7.4.4
--
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