On Wednesday 21 October 2015 07:29:33 Guenter Roeck wrote:
> The Hisilicon network driver does not build for Sparc. Enabling
> COMPILE_TEST for it causes Sparc allmodconfig/allyesconfig builds
> to fail with
>
> drivers/net/ethernet/hisilicon/hns_mdio.c: In function 'hns_mdio_bus_name':
> drivers/net/ethernet/hisilicon/hns_mdio.c:409:3: error:
> implicit declaration of function 'of_translate_address'
I see.
> Fixes: 876133d3161d ("net: hisilicon: add OF dependency")
> Cc: Arnd Bergmann <a...@arndb.de>
> Signed-off-by: Guenter Roeck <li...@roeck-us.net>
> ---
> drivers/net/ethernet/hisilicon/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/hisilicon/Kconfig
> b/drivers/net/ethernet/hisilicon/Kconfig
> index f250dec488fd..413935085591 100644
> --- a/drivers/net/ethernet/hisilicon/Kconfig
> +++ b/drivers/net/ethernet/hisilicon/Kconfig
> @@ -5,7 +5,7 @@
> config NET_VENDOR_HISILICON
> bool "Hisilicon devices"
> default y
> - depends on OF && (ARM || ARM64 || COMPILE_TEST)
> + depends on OF && (ARM || ARM64 || COMPILE_TEST) && !SPARC
> ---help---
> If you have a network (Ethernet) card belonging to this class, say
> Y.
This looks fragile to me. Checking the declaration of of_translate_address,
I see now that it actually depends on CONFIG_OF_ADDRESS, which is defined using
"depends on !SPARC && HAS_IOMEM". This means we would get the same problem on
SCORE, Tile, and UML.
How about this version?
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index d88e81be6368..f2f7986cac45 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -57,6 +57,11 @@ extern int of_dma_get_range(struct device_node *np, u64
*dma_addr,
u64 *paddr, u64 *size);
extern bool of_dma_is_coherent(struct device_node *np);
#else /* CONFIG_OF_ADDRESS */
+static inline u64 of_translate_address(struct device_node *np, const __be32
*addr)
+{
+ return 0;
+}
+
static inline struct device_node *of_find_matching_node_by_address(
struct device_node *from,
const struct of_device_id *matches,
It looks like it's in line with the other wrappers here. Alternatively,
we could decide to use CONFIG_OF_ADDRESS instead of CONFIG_OF as the dependency.
Arnd
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