linux-kernel - [PATCH 2/4] scsi: cxlflash: Include missing linux/irqdomain.h

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Message-Id: <96e4cebb9f89660bf675cd1e5bf64cf768c0e6dc.1654966253.git.christophe.leroy@csgroup.eu>
Date:   Sat, 11 Jun 2022 18:50:58 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, deller@....de,
        manoj@...ux.ibm.com, mrochs@...ux.ibm.com, ukrishn@...ux.ibm.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, tzimmermann@...e.de
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-scsi@...r.kernel.org, linux-fbdev@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 2/4] scsi: cxlflash: Include missing linux/irqdomain.h

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@...roup.eu>
---
 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