From mboxrd@z Thu Jan 1 00:00:00 1970 From: Auke Kok Subject: [PATCH 4/6] e1000e: convert register test macros to functions Date: Tue, 13 Nov 2007 15:11:28 -0800 Message-ID: <20071113231128.13177.76095.stgit@localhost.localdomain> References: <20071113231110.13177.27339.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jesse.brandeburg@intel.com, auke-jan.h.kok@intel.com To: davem@davemloft.net, jeff@garzik.org Return-path: Received: from mga02.intel.com ([134.134.136.20]:62489 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760563AbXKMXLo (ORCPT ); Tue, 13 Nov 2007 18:11:44 -0500 In-Reply-To: <20071113231110.13177.27339.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Joe Perches Add functions for reg_pattern_test and reg_set_and check Changed macros to use these functions Compiled x86, untested Size decreased ~2K old: $ size drivers/net/e1000e/ethtool.o text data bss dec hex filename 14461 0 0 14461 387d drivers/net/e1000e/ethtool.o new: $ size drivers/net/e1000e/ethtool.o text data bss dec hex filename 12498 0 0 12498 30d2 drivers/net/e1000e/ethtool.o Signed-off-by: Joe Perches Signed-off-by: Auke Kok --- drivers/net/e1000e/ethtool.c | 84 +++++++++++++++++++++++++++--------------- 1 files changed, 53 insertions(+), 31 deletions(-) diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 6a39784..bc1115d 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -691,41 +691,63 @@ err_setup: return err; } -#define REG_PATTERN_TEST(R, M, W) REG_PATTERN_TEST_ARRAY(R, 0, M, W) -#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, writeable) \ -{ \ - u32 _pat; \ - u32 _value; \ - u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ - for (_pat = 0; _pat < ARRAY_SIZE(_test); _pat++) { \ - E1000_WRITE_REG_ARRAY(hw, reg, offset, \ - (_test[_pat] & writeable)); \ - _value = E1000_READ_REG_ARRAY(hw, reg, offset); \ - if (_value != (_test[_pat] & writeable & mask)) { \ - ndev_err(netdev, "pattern test reg %04X " \ - "failed: got 0x%08X expected 0x%08X\n", \ - reg + offset, \ - value, (_test[_pat] & writeable & mask)); \ - *data = reg; \ - return 1; \ - } \ - } \ +bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, + int reg, int offset, u32 mask, u32 write) +{ + int i; + u32 read; + static const u32 test[] = + {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; + for (i = 0; i < ARRAY_SIZE(test); i++) { + E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, + (test[i] & write)); + read = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); + if (read != (test[i] & write & mask)) { + ndev_err(adapter->netdev, "pattern test reg %04X " + "failed: got 0x%08X expected 0x%08X\n", + reg + offset, + read, (test[i] & write & mask)); + *data = reg; + return true; + } + } + return false; } -#define REG_SET_AND_CHECK(R, M, W) \ -{ \ - u32 _value; \ - __ew32(hw, R, W & M); \ - _value = __er32(hw, R); \ - if ((W & M) != (_value & M)) { \ - ndev_err(netdev, "set/check reg %04X test failed: " \ - "got 0x%08X expected 0x%08X\n", R, (_value & M), \ - (W & M)); \ - *data = R; \ - return 1; \ - } \ +static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, + int reg, u32 mask, u32 write) +{ + u32 read; + __ew32(&adapter->hw, reg, write & mask); + read = __er32(&adapter->hw, reg); + if ((write & mask) != (read & mask)) { + ndev_err(adapter->netdev, "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(R, M, W) \ + do { \ + if (reg_pattern_test_array(adapter, data, R, 0, M, W)) \ + return 1; \ + } while (0) + +#define REG_PATTERN_TEST_ARRAY(R, offset, M, W) \ + do { \ + if (reg_pattern_test_array(adapter, data, R, offset, M, W)) \ + return 1; \ + } while (0) + +#define REG_SET_AND_CHECK(R, M, W) \ + do { \ + if (reg_set_and_check(adapter, data, R, M, W)) \ + return 1; \ + } while (0) + static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) { struct e1000_hw *hw = &adapter->hw;