diff options
| author | Joe Perches <joe@perches.com> | 2007-11-13 20:52:05 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:03:50 -0800 |
| commit | 7e64300a0f335e443aa39ee477c541e34a69ae52 (patch) | |
| tree | cd1c9e593f578da9f1d1082bd17e02d82cbeb211 /drivers/net/e1000/e1000_ethtool.c | |
| parent | ef90e4eca9fcade05dd03f853df75cf459a75422 (diff) | |
| download | lwn-7e64300a0f335e443aa39ee477c541e34a69ae52.tar.gz lwn-7e64300a0f335e443aa39ee477c541e34a69ae52.zip | |
[E1000]: Convert regtest macro's to functions
Minimal macro to function conversion in e1000_ethtool.c
Adds functions reg_pattern_test and reg_set_and_check
Changes REG_PATTERN_TEST and REG_SET_AND_CHECK macros
to call these functions.
Saves ~2.5KB
Compiled x86, untested (no hardware)
old:
$ size drivers/net/e1000/e1000_ethtool.o
text data bss dec hex filename
16778 0 0 16778 418a drivers/net/e1000/e1000_ethtool.o
new:
$ size drivers/net/e1000/e1000_ethtool.o
text data bss dec hex filename
14128 0 0 14128 3730 drivers/net/e1000/e1000_ethtool.o
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/e1000/e1000_ethtool.c')
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 84 |
1 files changed, 55 insertions, 29 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 2e44191d4b42..2280818476e2 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -728,39 +728,65 @@ err_setup: return err; } -#define REG_PATTERN_TEST(R, M, W) \ -{ \ - uint32_t pat, val; \ - const uint32_t test[] = \ - {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ - for (pat = 0; pat < ARRAY_SIZE(test); pat++) { \ - E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ - val = E1000_READ_REG(&adapter->hw, R); \ - if (val != (test[pat] & W & M)) { \ - DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \ - "0x%08X expected 0x%08X\n", \ - E1000_##R, val, (test[pat] & W & M)); \ - *data = (adapter->hw.mac_type < e1000_82543) ? \ - E1000_82542_##R : E1000_##R; \ - return 1; \ - } \ - } \ +static bool reg_pattern_test(struct e1000_adapter *adapter, uint64_t *data, + int reg, uint32_t mask, uint32_t write) +{ + static const uint32_t test[] = + {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; + uint8_t __iomem *address = adapter->hw.hw_addr + reg; + uint32_t read; + int i; + + for (i = 0; i < ARRAY_SIZE(test); i++) { + writel(write & test[i], address); + read = readl(address); + if (read != (write & test[i] & mask)) { + DPRINTK(DRV, ERR, "pattern test reg %04X failed: " + "got 0x%08X expected 0x%08X\n", + reg, read, (write & test[i] & mask)); + *data = reg; + return true; + } + } + return false; } -#define REG_SET_AND_CHECK(R, M, W) \ -{ \ - uint32_t val; \ - E1000_WRITE_REG(&adapter->hw, R, W & M); \ - val = E1000_READ_REG(&adapter->hw, R); \ - if ((W & M) != (val & M)) { \ - DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\ - "expected 0x%08X\n", E1000_##R, (val & M), (W & M)); \ - *data = (adapter->hw.mac_type < e1000_82543) ? \ - E1000_82542_##R : E1000_##R; \ - return 1; \ - } \ +static bool reg_set_and_check(struct e1000_adapter *adapter, uint64_t *data, + int reg, uint32_t mask, uint32_t write) +{ + uint8_t __iomem *address = adapter->hw.hw_addr + reg; + uint32_t read; + + writel(write & mask, address); + read = readl(address); + if ((read & mask) != (write & mask)) { + DPRINTK(DRV, ERR, "set/check reg %04X test failed: " + "got 0x%08X expected 0x%08X\n", + reg, (read & mask), (write & mask)); + *data = reg; + return true; + } + return false; } +#define REG_PATTERN_TEST(reg, mask, write) \ + do { \ + if (reg_pattern_test(adapter, data, \ + (adapter->hw.mac_type >= e1000_82543) \ + ? E1000_##reg : E1000_82542_##reg, \ + mask, write)) \ + return 1; \ + } while (0) + +#define REG_SET_AND_CHECK(reg, mask, write) \ + do { \ + if (reg_set_and_check(adapter, data, \ + (adapter->hw.mac_type >= e1000_82543) \ + ? E1000_##reg : E1000_82542_##reg, \ + mask, write)) \ + return 1; \ + } while (0) + static int e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) { |