Convert REG_PATTERN_TEST and REG_SET_AND_CHECK macros to functions
Reduces x86 defconfig image by about 3k

compiled, untested (no hardware)

Signed-off-by: Joe Perches <[EMAIL PROTECTED]>

New:

$ size vmlinux
   text    data     bss     dec     hex filename
4792735  490626  606208 5889569  59de21 vmlinux

Current:

$ size vmlinux
   text    data     bss     dec     hex filename
4795759  490626  606208 5892593  59e9f1 vmlinux

---

 drivers/net/e1000/e1000_ethtool.c |  185 +++++++++++++++++++++++++------------
 drivers/net/e1000/e1000_osdep.h   |   42 +++++----
 2 files changed, 149 insertions(+), 78 deletions(-)

diff --git a/drivers/net/e1000/e1000_ethtool.c 
b/drivers/net/e1000/e1000_ethtool.c
index 667f18b..2627395 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -728,37 +728,45 @@ 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;
 }
 
 static int
@@ -800,58 +808,115 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t 
*data)
        E1000_WRITE_REG(&adapter->hw, STATUS, before);
 
        if (adapter->hw.mac_type != e1000_ich8lan) {
-               REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
-               REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
-               REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
-               REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
+               if (reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, FCAL),
+                                    0xFFFFFFFF, 0xFFFFFFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, FCAH),
+                                    0x0000FFFF, 0xFFFFFFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, FCT),
+                                    0x0000FFFF, 0xFFFFFFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, VET),
+                                    0x0000FFFF, 0xFFFFFFFF))
+                       return 1;
        }
 
-       REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
-       REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
-       REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
-       REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
-       REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
-       REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
-       REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
-       REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
-       REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
-       REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
+       if (reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, RDTR),
+                            0x0000FFFF, 0xFFFFFFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, RDBAH),
+                            0xFFFFFFFF, 0xFFFFFFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, RDLEN),
+                            0x000FFF80, 0x000FFFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, RDH),
+                            0x0000FFFF, 0x0000FFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, RDT),
+                            0x0000FFFF, 0x0000FFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, FCRTH),
+                            0x0000FFF8, 0x0000FFF8) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, FCTTV),
+                            0x0000FFFF, 0x0000FFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, TIPG),
+                            0x3FFFFFFF, 0x3FFFFFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, TDBAH),
+                            0xFFFFFFFF, 0xFFFFFFFF) ||
+           reg_pattern_test(adapter, data, E1000_REG(&adapter->hw, TDLEN),
+                            0x000FFF80, 0x000FFFFF))
+               return 1;
 
-       REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
+       if (reg_set_and_check(adapter, data, E1000_REG(&adapter->hw, RCTL),
+                             0xFFFFFFFF, 0x00000000))
+               return 1;
 
        before = (adapter->hw.mac_type == e1000_ich8lan ?
                  0x06C3B33E : 0x06DFB3FE);
-       REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
-       REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
+       if (reg_set_and_check(adapter, data, E1000_REG(&adapter->hw, RCTL),
+                             before, 0x003FFFFB) ||
+           reg_set_and_check(adapter, data, E1000_REG(&adapter->hw, TCTL),
+                             0xFFFFFFFF, 0x00000000))
+               return 1;
 
        if (adapter->hw.mac_type >= e1000_82543) {
 
-               REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
-               REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
-               if (adapter->hw.mac_type != e1000_ich8lan)
-                       REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
-               REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
-               REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
+               if (reg_set_and_check(adapter, data,
+                                     E1000_REG(&adapter->hw, RCTL),
+                                     before, 0xFFFFFFFF))
+                       return 1;
+               if (reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, RDBAL),
+                                    0xFFFFFFF0, 0xFFFFFFFF))
+                       return 1;
+               if (adapter->hw.mac_type != e1000_ich8lan) {
+                       if (reg_pattern_test(adapter, data,
+                                            E1000_REG(&adapter->hw, TXCW),
+                                            0xC000FFFF, 0x0000FFFF))
+                               return 1;
+               }
+               if (reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, TDBAL),
+                                    0xFFFFFFF0, 0xFFFFFFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, TIDV),
+                                    0x0000FFFF, 0x0000FFFF))
+                       return 1;
                value = (adapter->hw.mac_type == e1000_ich8lan ?
                         E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES);
                for (i = 0; i < value; i++) {
-                       REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
-                                        0xFFFFFFFF);
+                       if (reg_pattern_test(adapter, data,
+                                            E1000_REG(&adapter->hw, RA) +
+                                            (((i << 1) + 1) << 2),
+                                            0x8003FFFF, 0xFFFFFFFF))
+                               return 1;
                }
 
        } else {
 
-               REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
-               REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
-               REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
-               REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
+               if (reg_set_and_check(adapter, data,
+                                     E1000_REG(&adapter->hw, RCTL),
+                                     0xFFFFFFFF, 0x01FFFFFF))
+                       return 1;
+               if (reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, RDBAL),
+                                    0xFFFFF000, 0xFFFFFFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, TXCW),
+                                    0x0000FFFF, 0x0000FFFF) ||
+                   reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, TDBAL),
+                                    0xFFFFF000, 0xFFFFFFFF))
+                       return 1;
 
        }
 
        value = (adapter->hw.mac_type == e1000_ich8lan ?
                        E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE);
-       for (i = 0; i < value; i++)
-               REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
+       for (i = 0; i < value; i++) {
+               if (reg_pattern_test(adapter, data,
+                                    E1000_REG(&adapter->hw, MTA) + (i << 2),
+                                    0xFFFFFFFF, 0xFFFFFFFF))
+                       return 1;
+       }
 
        *data = 0;
        return 0;
diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h
index 10af742..7d70eb6 100644
--- a/drivers/net/e1000/e1000_osdep.h
+++ b/drivers/net/e1000/e1000_osdep.h
@@ -61,24 +61,30 @@ typedef enum {
 #define DEBUGOUT3 DEBUGOUT2
 #define DEBUGOUT7 DEBUGOUT3
 
-
-#define E1000_WRITE_REG(a, reg, value) ( \
-    writel((value), ((a)->hw_addr + \
-        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg))))
-
-#define E1000_READ_REG(a, reg) ( \
-    readl((a)->hw_addr + \
-        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)))
-
-#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
-    writel((value), ((a)->hw_addr + \
-        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
-        ((offset) << 2))))
-
-#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
-    readl((a)->hw_addr + \
-        (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
-        ((offset) << 2)))
+#define E1000_REG(a, reg) \
+       (((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)
+
+#define E1000_WRITE_REG(a, reg, value)                                 \
+       (writel((value), ((a)->hw_addr +                                \
+                         (((a)->mac_type >= e1000_82543)               \
+                          ? E1000_##reg : E1000_82542_##reg))))
+
+#define E1000_READ_REG(a, reg)                         \
+       (readl((a)->hw_addr +                           \
+              (((a)->mac_type >= e1000_82543)          \
+               ? E1000_##reg : E1000_82542_##reg)))
+
+#define E1000_WRITE_REG_ARRAY(a, reg, offset, value)          \
+       (writel((value), ((a)->hw_addr +                       \
+                         (((a)->mac_type >= e1000_82543)      \
+                          ? E1000_##reg : E1000_82542_##reg) +\
+                         ((offset) << 2))))
+
+#define E1000_READ_REG_ARRAY(a, reg, offset)           \
+       (readl((a)->hw_addr +                           \
+              (((a)->mac_type >= e1000_82543)          \
+               ? E1000_##reg : E1000_82542_##reg) +    \
+              ((offset) << 2)))
 
 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY


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