e1000e: fix ethtool offline register test for I217

The SHRAH[9] register on I217 has a different R/W bit-mask than RAR and
SHRAL/H registers.  Set R/W bit-mask appropriately for SHRAH[9] when
testing the R/W ability of the register.  Also, fix the error message log
format so that it does not provide misleading information (i.e. the logged
register address could be incorrect).

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index f268cbc..ceff1bf 100644 (file)
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -760,8 +760,9 @@ static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
                                      (test[pat] & write));
                val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
                if (val != (test[pat] & write & mask)) {
-                       e_err("pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
-                             reg + offset, val, (test[pat] & write & mask));
+                       e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
+                             reg + (offset << 2), val,
+                             (test[pat] & write & mask));
                        *data = reg;
                        return 1;
                }
@@ -776,7 +777,7 @@ static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
        __ew32(&adapter->hw, reg, write & mask);
        val = __er32(&adapter->hw, reg);
        if ((write & mask) != (val & mask)) {
-               e_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
+               e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
                      reg, (val & mask), (write & mask));
                *data = reg;
                return 1;
@@ -884,12 +885,20 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
                    E1000_FWSM_WLOCK_MAC_SHIFT;
 
        for (i = 0; i < mac->rar_entry_count; i++) {
-               /* Cannot test write-protected SHRAL[n] registers */
-               if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
-                       continue;
+               if (mac->type == e1000_pch_lpt) {
+                       /* Cannot test write-protected SHRAL[n] registers */
+                       if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
+                               continue;
+
+                       /* SHRAH[9] different than the others */
+                       if (i == 10)
+                               mask |= (1 << 30);
+                       else
+                               mask &= ~(1 << 30);
+               }
 
-               REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
-                                      mask, 0xFFFFFFFF);
+               REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
+                                      0xFFFFFFFF);
        }
 
        for (i = 0; i < mac->mta_reg_count; i++)