linux-kernel - [PATCH 2/3] media: atomisp: Use the actual value of the enum instead of the enum

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Message-Id: <20241202-fix-llvm9-v1-2-2a50f5acfd0b@chromium.org>
Date: Mon, 02 Dec 2024 15:47:16 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, 
 Nick Desaulniers <ndesaulniers@...gle.com>, 
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Andy Shevchenko <andy@...nel.org>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Tiffany Lin <tiffany.lin@...iatek.com>, 
 Andrew-CT Chen <andrew-ct.chen@...iatek.com>, 
 Yunfei Dong <yunfei.dong@...iatek.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 llvm@...ts.linux.dev, linux-staging@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 2/3] media: atomisp: Use the actual value of the enum
 instead of the enum

hrt_isp_css_irq_sw_pin_0 has a different enum type than
irq_sw_channel_id_t.

Replace it with the actual value of hrt_isp_css_irq_sw_pin_0 to avoid
arithmetic operations between different enum types (and make the
compiler happy).

It is required to build with llvm 9 without these warnings:
drivers/staging/media/atomisp/pci/sh_css_hrt.c:68:19: warning: arithmetic between different enumeration types ('irq_sw_channel_id_t' and 'enum hrt_isp_css_irq') [-Wenum-enum-conversion]
drivers/staging/media/atomisp/pci/sh_css.c:1233:40: warning: arithmetic between different enumeration types ('irq_sw_channel_id_t' and 'enum hrt_isp_css_irq') [-Wenum-enum-conversion]
drivers/staging/media/atomisp/pci/sh_css.c:1237:40: warning: arithmetic between different enumeration types ('irq_sw_channel_id_t' and 'enum hrt_isp_css_irq') [-Wenum-enum-conversion]
ro

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/staging/media/atomisp/pci/hive_isp_css_common/irq_global.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_common/irq_global.h b/drivers/staging/media/atomisp/pci/hive_isp_css_common/irq_global.h
index 2c47e7820bd7..69e68ecd6bc3 100644
--- a/drivers/staging/media/atomisp/pci/hive_isp_css_common/irq_global.h
+++ b/drivers/staging/media/atomisp/pci/hive_isp_css_common/irq_global.h
@@ -18,7 +18,7 @@
 #endif
 
 /* The IRQ is not mapped uniformly on its related interfaces */
-#define	IRQ_SW_CHANNEL_OFFSET	hrt_isp_css_irq_sw_pin_0
+#define	IRQ_SW_CHANNEL_OFFSET	HIVE_GP_DEV_IRQ_SW_PIN_0_BIT_ID
 
 typedef enum {
 	IRQ_SW_CHANNEL0_ID = hrt_isp_css_irq_sw_pin_0 - IRQ_SW_CHANNEL_OFFSET,

-- 
2.47.0.338.g60cca15819-goog