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* [PATCH] MIPS: Loongson1B: Remove ARCH_WANT_OPTIONAL_GPIOLIB
@ 2016-05-28  9:51 Keguang Zhang
  2016-05-28  9:51 ` [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data Keguang Zhang
  0 siblings, 1 reply; 3+ messages in thread
From: Keguang Zhang @ 2016-05-28  9:51 UTC (permalink / raw)
  To: linux-mips, linux-kernel; +Cc: Ralf Baechle, Kelvin Cheung

From: Kelvin Cheung <keguang.zhang@gmail.com>

This patch removes ARCH_WANT_OPTIONAL_GPIOLIB due to upstream changes.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
---
 arch/mips/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5663f41..34ed662 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1404,7 +1404,6 @@ config CPU_LOONGSON1B
 	bool "Loongson 1B"
 	depends on SYS_HAS_CPU_LOONGSON1B
 	select CPU_LOONGSON1
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select LEDS_GPIO_REGISTER
 	help
 	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data
  2016-05-28  9:51 [PATCH] MIPS: Loongson1B: Remove ARCH_WANT_OPTIONAL_GPIOLIB Keguang Zhang
@ 2016-05-28  9:51 ` Keguang Zhang
  2016-08-03  6:14   ` Ralf Baechle
  0 siblings, 1 reply; 3+ messages in thread
From: Keguang Zhang @ 2016-05-28  9:51 UTC (permalink / raw)
  To: linux-mips, linux-kernel; +Cc: Ralf Baechle, Kelvin Cheung

From: Kelvin Cheung <keguang.zhang@gmail.com>

This patch provides DMA filter callbacks via platform data
to make NAND driver independent of single DMA engine driver.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
---
 arch/mips/include/asm/mach-loongson32/dma.h  | 4 ++++
 arch/mips/include/asm/mach-loongson32/nand.h | 3 +--
 arch/mips/loongson32/ls1b/board.c            | 1 +
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/mach-loongson32/dma.h b/arch/mips/include/asm/mach-loongson32/dma.h
index ad1dec7..d3ae391 100644
--- a/arch/mips/include/asm/mach-loongson32/dma.h
+++ b/arch/mips/include/asm/mach-loongson32/dma.h
@@ -12,6 +12,8 @@
 #ifndef __ASM_MACH_LOONGSON32_DMA_H
 #define __ASM_MACH_LOONGSON32_DMA_H
 
+#include <linux/dmaengine.h>
+
 #define LS1X_DMA_CHANNEL0	0
 #define LS1X_DMA_CHANNEL1	1
 #define LS1X_DMA_CHANNEL2	2
@@ -22,4 +24,6 @@ struct plat_ls1x_dma {
 
 extern struct plat_ls1x_dma ls1b_dma_pdata;
 
+bool ls1x_dma_filter(struct dma_chan *chan, void *param);
+
 #endif /* __ASM_MACH_LOONGSON32_DMA_H */
diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
index e274912..a1f8704 100644
--- a/arch/mips/include/asm/mach-loongson32/nand.h
+++ b/arch/mips/include/asm/mach-loongson32/nand.h
@@ -21,10 +21,9 @@ struct plat_ls1x_nand {
 
 	int hold_cycle;
 	int wait_cycle;
+	bool (*dma_filter)(struct dma_chan *chan, void *param);
 };
 
 extern struct plat_ls1x_nand ls1b_nand_pdata;
 
-bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
-
 #endif /* __ASM_MACH_LOONGSON32_NAND_H */
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 38a1d40..0a57337 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -38,6 +38,7 @@ struct plat_ls1x_nand ls1x_nand_pdata = {
 	.nr_parts	= ARRAY_SIZE(ls1x_nand_parts),
 	.hold_cycle	= 0x2,
 	.wait_cycle	= 0xc,
+	.dma_filter	= ls1x_dma_filter,
 };
 
 static const struct gpio_led ls1x_gpio_leds[] __initconst = {
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data
  2016-05-28  9:51 ` [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data Keguang Zhang
@ 2016-08-03  6:14   ` Ralf Baechle
  0 siblings, 0 replies; 3+ messages in thread
From: Ralf Baechle @ 2016-08-03  6:14 UTC (permalink / raw)
  To: Keguang Zhang; +Cc: linux-mips, linux-kernel

On Sat, May 28, 2016 at 05:51:52PM +0800, Keguang Zhang wrote:

> diff --git a/arch/mips/include/asm/mach-loongson32/nand.h b/arch/mips/include/asm/mach-loongson32/nand.h
> index e274912..a1f8704 100644
> --- a/arch/mips/include/asm/mach-loongson32/nand.h
> +++ b/arch/mips/include/asm/mach-loongson32/nand.h
> @@ -21,10 +21,9 @@ struct plat_ls1x_nand {
>  
>  	int hold_cycle;
>  	int wait_cycle;
> +	bool (*dma_filter)(struct dma_chan *chan, void *param);
>  };
>  
>  extern struct plat_ls1x_nand ls1b_nand_pdata;
>  
> -bool ls1x_dma_filter_fn(struct dma_chan *chan, void *param);
> -
>  #endif /* __ASM_MACH_LOONGSON32_NAND_H */
> diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
> index 38a1d40..0a57337 100644
> --- a/arch/mips/loongson32/ls1b/board.c
> +++ b/arch/mips/loongson32/ls1b/board.c
> @@ -38,6 +38,7 @@ struct plat_ls1x_nand ls1x_nand_pdata = {
>  	.nr_parts	= ARRAY_SIZE(ls1x_nand_parts),
>  	.hold_cycle	= 0x2,
>  	.wait_cycle	= 0xc,
> +	.dma_filter	= ls1x_dma_filter,
>  };

Without the DMA driver which Vinod has requested changes for this
patch will result in build errors.  It will also result in a build
error if CONFIG_LOONGSON1_DMA is disabled.

  Ralf

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-08-03  6:15 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2016-05-28  9:51 [PATCH] MIPS: Loongson1B: Remove ARCH_WANT_OPTIONAL_GPIOLIB Keguang Zhang
2016-05-28  9:51 ` [PATCH] MIPS: Loongson1B: Provide DMA filter callbacks via platform data Keguang Zhang
2016-08-03  6:14   ` Ralf Baechle

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