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sfc: fix CONFIG_CXL_MEM dependency

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A recent patch introduced a call to devm_cxl_probe_mem(), which is only
available when CXL_MEM is enabled. If CXL_MEM is in a loadable module,
this causes a link failure for a builtin driver:

s390-linux-ld: drivers/net/ethernet/sfc/efx_cxl.o: in function `efx_cxl_init':
efx_cxl.c:(.text+0x156): undefined reference to `devm_cxl_probe_mem'

Adapt the dependency to require CXL_MEM instead of CXL_BUS, which
we know is available when CXL_MEM is.

Fixes: 0418860ef2 ("sfc: obtain and map cxl range using devm_cxl_probe_mem")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Alejandro Lucero <alucerop@amd.com>
Link: https://patch.msgid.link/20260917155519.2121486-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Arnd Bergmann 2026-09-17 17:55:11 +02:00 committed by Jakub Kicinski
parent 2fba931808
commit c6219deaee
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/sfc/Kconfig
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@ -68,7 +68,7 @@ config SFC_MCDI_LOGGING
a sysfs file 'mcdi_logging' under the PCI device.
config SFC_CXL
bool "Solarflare SFC9100-family CXL support"
depends on SFC && CXL_BUS >= SFC
depends on SFC && CXL_MEM >= SFC
default SFC
help
This enables SFC CXL support if the kernel is configuring CXL for