linux-kernel - [PATCH 2/2] sh: dma: Correct the number of DMA channels in SH7709

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Message-Id: <20230506141703.65605-3-contact@artur-rojek.eu>
Date:   Sat,  6 May 2023 16:17:03 +0200
From:   Artur Rojek <contact@...ur-rojek.eu>
To:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc:     Rafael Ignacio Zurita <rafaelignacio.zurita@...il.com>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
        Artur Rojek <contact@...ur-rojek.eu>
Subject: [PATCH 2/2] sh: dma: Correct the number of DMA channels in SH7709

According to the PM, the DMAC found in SH7709 features only 4 channels.

Signed-off-by: Artur Rojek <contact@...ur-rojek.eu>
---
 arch/sh/drivers/dma/Kconfig | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 7d54f284ce10..4494d09597e9 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -28,8 +28,9 @@ config SH_DMA_API
 config NR_ONCHIP_DMA_CHANNELS
 	int
 	depends on SH_DMA
-	default "4" if CPU_SUBTYPE_SH7750  || CPU_SUBTYPE_SH7751  || \
-		       CPU_SUBTYPE_SH7750S || CPU_SUBTYPE_SH7091
+	default "4" if CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750  || \
+		       CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7750S || \
+		       CPU_SUBTYPE_SH7091
 	default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \
 		       CPU_SUBTYPE_SH7760
 	default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780  || \
@@ -37,8 +38,9 @@ config NR_ONCHIP_DMA_CHANNELS
 	default "6"
 	help
 	  This allows you to specify the number of channels that the on-chip
-	  DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the
-	  SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6.
+	  DMAC supports. This will be 4 for SH7709/SH7750/SH7751/Sh7750S/SH7091
+	  and 8 for the SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724,
+	  default is 6.
 
 config SH_DMABRG
 	bool "SH7760 DMABRG support"
-- 
2.40.1