powerpc's asm/prom.h brings some headers that it doesn't need itself.
Once those headers are removed from asm/prom.h, the following
errors occur:
CC [M] drivers/scsi/cxlflash/ocxl_hw.o
drivers/scsi/cxlflash/ocxl_hw.c: In function 'afu_map_irq':
drivers/scsi/cxlflash/ocxl_hw.c:195:16: error: implicit declaration of function 'irq_create_mapping' [-Werror=implicit-function-declaration]
195 | virq = irq_create_mapping(NULL, irq->hwirq);
| ^~~~~~~~~~~~~~~~~~
drivers/scsi/cxlflash/ocxl_hw.c:222:9: error: implicit declaration of function 'irq_dispose_mapping' [-Werror=implicit-function-declaration]
222 | irq_dispose_mapping(virq);
| ^~~~~~~~~~~~~~~~~~~
drivers/scsi/cxlflash/ocxl_hw.c: In function 'afu_unmap_irq':
drivers/scsi/cxlflash/ocxl_hw.c:264:13: error: implicit declaration of function 'irq_find_mapping'; did you mean 'is_cow_mapping'? [-Werror=implicit-function-declaration]
264 | if (irq_find_mapping(NULL, irq->hwirq)) {
| ^~~~~~~~~~~~~~~~
| is_cow_mapping
cc1: some warnings being treated as errors
Fix it by including linux/irqdomain.h
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
drivers/scsi/cxlflash/ocxl_hw.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 244fc27215dc..631eda2d467e 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -16,6 +16,7 @@
#include <linux/poll.h>
#include <linux/sched/signal.h>
#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
#include <asm/xive.h>
#include <misc/ocxl.h>
--
2.35.3
