If NO_DMA=y:
drivers/built-in.o: In function `fbtft_framebuffer_alloc':
(.text+0xb53cae): undefined reference to `dmam_alloc_coherent'
As DMA support is already optional, make it depend on HAS_DMA.
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
drivers/staging/fbtft/fbtft-core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 53b748be27124793..88bf4705ebadc590 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -47,9 +47,13 @@ static unsigned long debug;
module_param(debug, ulong, 0);
MODULE_PARM_DESC(debug, "override device debug level");
+#ifdef CONFIG_HAS_DMA
static bool dma = true;
module_param(dma, bool, 0);
MODULE_PARM_DESC(dma, "Use DMA buffer");
+#else
+static const bool dma;
+#endif
void fbtft_dbg_hex(const struct device *dev, int groupsize,
--
1.9.1
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
