with CONFIG_THERMAL=m and cxgb4 as built-in build fails, and
'commit e70a57fa59bb ("cxgb4: fix thermal configuration dependencies")'
tires to fix it but when cxgb4i is made built-in build fails again,
use IS_REACHABLE instead of IS_ENABLED to fix the issue.

Fixes: e70a57fa59bb (cxgb4: fix thermal configuration dependencies)
Reported-by: Randy Dunlap <rdun...@infradead.org>
Signed-off-by: Ganesh Goudar <ganes...@chelsio.com>
---
 drivers/net/ethernet/chelsio/Kconfig            |  1 -
 drivers/net/ethernet/chelsio/cxgb4/Makefile     |  4 +---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 12 ++++++------
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/Kconfig 
b/drivers/net/ethernet/chelsio/Kconfig
index 75c1c5e..e2cdfa7 100644
--- a/drivers/net/ethernet/chelsio/Kconfig
+++ b/drivers/net/ethernet/chelsio/Kconfig
@@ -67,7 +67,6 @@ config CHELSIO_T3
 config CHELSIO_T4
        tristate "Chelsio Communications T4/T5/T6 Ethernet support"
        depends on PCI && (IPV6 || IPV6=n)
-       depends on THERMAL || !THERMAL
        select FW_LOADER
        select MDIO
        select ZLIB_DEFLATE
diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile 
b/drivers/net/ethernet/chelsio/cxgb4/Makefile
index 78e5d17..91d8a88 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/Makefile
+++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile
@@ -12,6 +12,4 @@ cxgb4-objs := cxgb4_main.o l2t.o smt.o t4_hw.o sge.o 
clip_tbl.o cxgb4_ethtool.o
 cxgb4-$(CONFIG_CHELSIO_T4_DCB) +=  cxgb4_dcb.o
 cxgb4-$(CONFIG_CHELSIO_T4_FCOE) +=  cxgb4_fcoe.o
 cxgb4-$(CONFIG_DEBUG_FS) += cxgb4_debugfs.o
-ifdef CONFIG_THERMAL
-cxgb4-objs += cxgb4_thermal.o
-endif
+cxgb4-$(CONFIG_THERMAL) += cxgb4_thermal.o
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 05a4692..bd85210 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5863,10 +5863,10 @@ static int init_one(struct pci_dev *pdev, const struct 
pci_device_id *ent)
        if (!is_t4(adapter->params.chip))
                cxgb4_ptp_init(adapter);
 
-       if (IS_ENABLED(CONFIG_THERMAL) &&
-           !is_t4(adapter->params.chip) && (adapter->flags & FW_OK))
+#if IS_REACHABLE(CONFIG_THERMAL)
+       if (!is_t4(adapter->params.chip) && (adapter->flags & FW_OK))
                cxgb4_thermal_init(adapter);
-
+#endif
        print_adapter_info(adapter);
        return 0;
 
@@ -5932,9 +5932,9 @@ static void remove_one(struct pci_dev *pdev)
 
                if (!is_t4(adapter->params.chip))
                        cxgb4_ptp_stop(adapter);
-               if (IS_ENABLED(CONFIG_THERMAL))
-                       cxgb4_thermal_remove(adapter);
-
+#if IS_REACHABLE(CONFIG_THERMAL)
+               cxgb4_thermal_remove(adapter);
+#endif
                /* If we allocated filters, free up state associated with any
                 * valid filters ...
                 */
-- 
2.1.0

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