fpga: Specify HAS_IOMEM dependency for FPGA_DFL

Because dfl.c uses the 'devm_ioremap', 'devm_iounmap',
'devm_ioremap_resource', and 'devm_platform_ioremap_resource'
functions, it should depend on HAS_IOMEM.

This fixes make allyesconfig under UML (ARCH=um), which doesn't provide
HAS_IOMEM.

[mdf@kernel.org: Removed "drivers: " in commit message]
Fixes: 89eb35e810a8 ("fpga: dfl: map feature mmio resources in their own feature drivers")
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/20201122001549.107023-2-mdf@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index 7cd5a29..5645226 100644 (file)
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -142,6 +142,7 @@ config FPGA_DFL
        tristate "FPGA Device Feature List (DFL) support"
        select FPGA_BRIDGE
        select FPGA_REGION
+       depends on HAS_IOMEM
        help
          Device Feature List (DFL) defines a feature list structure that
          creates a linked list of feature headers within the MMIO space