From 528b971bba8e64ffa13bc98f0eaa0060888ae148 Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Sun, 4 May 2014 13:03:12 +0200 Subject: w83977af_ir: remove two faux Kconfig macros Ever since v2.3.5 the driver for "Winbond W83977AF (IR)" contains two unneeded preprocessor macros. CONFIG_NETWINDER_TX_DMA_PROBLEMS is never defined and can safely be removed. And CONFIG_NETWINDER_RX_DMA_PROBLEMS is just an alias for CONFIG_ARCH_NETWINDER, so that (valid) Kconfig macro can be used instead. Signed-off-by: Paul Bolle Signed-off-by: David S. Miller --- drivers/net/irda/w83977af_ir.c | 33 ++++----------------------------- 1 file changed, 4 insertions(+), 29 deletions(-) (limited to 'drivers/net/irda') diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index e641bb240362..11dbdf36d9c1 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -62,10 +62,6 @@ #include "w83977af.h" #include "w83977af_ir.h" -#ifdef CONFIG_ARCH_NETWINDER /* Adjust to NetWinder differences */ -#undef CONFIG_NETWINDER_TX_DMA_PROBLEMS /* Not needed */ -#define CONFIG_NETWINDER_RX_DMA_PROBLEMS /* Must have this one! */ -#endif #define CONFIG_USE_W977_PNP /* Currently needed */ #define PIO_MAX_SPEED 115200 @@ -332,7 +328,7 @@ static int w83977af_probe(int iobase, int irq, int dma) w977_write_reg(0x74, dma+1, efbase[i]); #else w977_write_reg(0x74, dma, efbase[i]); -#endif /*CONFIG_ARCH_NETWINDER */ +#endif /* CONFIG_ARCH_NETWINDER */ w977_write_reg(0x75, 0x04, efbase[i]); /* Disable Tx DMA */ /* Set append hardware CRC, enable IR bank selection */ @@ -563,10 +559,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, static void w83977af_dma_write(struct w83977af_ir *self, int iobase) { __u8 set; -#ifdef CONFIG_NETWINDER_TX_DMA_PROBLEMS - unsigned long flags; - __u8 hcr; -#endif IRDA_DEBUG(4, "%s(), len=%d\n", __func__ , self->tx_buff.len); /* Save current set */ @@ -579,30 +571,13 @@ static void w83977af_dma_write(struct w83977af_ir *self, int iobase) /* Choose transmit DMA channel */ switch_bank(iobase, SET2); outb(ADCR1_D_CHSW|/*ADCR1_DMA_F|*/ADCR1_ADV_SL, iobase+ADCR1); -#ifdef CONFIG_NETWINDER_TX_DMA_PROBLEMS - spin_lock_irqsave(&self->lock, flags); - - disable_dma(self->io.dma); - clear_dma_ff(self->io.dma); - set_dma_mode(self->io.dma, DMA_MODE_READ); - set_dma_addr(self->io.dma, self->tx_buff_dma); - set_dma_count(self->io.dma, self->tx_buff.len); -#else irda_setup_dma(self->io.dma, self->tx_buff_dma, self->tx_buff.len, DMA_MODE_WRITE); -#endif self->io.direction = IO_XMIT; /* Enable DMA */ switch_bank(iobase, SET0); -#ifdef CONFIG_NETWINDER_TX_DMA_PROBLEMS - hcr = inb(iobase+HCR); - outb(hcr | HCR_EN_DMA, iobase+HCR); - enable_dma(self->io.dma); - spin_unlock_irqrestore(&self->lock, flags); -#else outb(inb(iobase+HCR) | HCR_EN_DMA | HCR_TX_WT, iobase+HCR); -#endif /* Restore set register */ outb(set, iobase+SSR); @@ -711,7 +686,7 @@ static int w83977af_dma_receive(struct w83977af_ir *self) { int iobase; __u8 set; -#ifdef CONFIG_NETWINDER_RX_DMA_PROBLEMS +#ifdef CONFIG_ARCH_NETWINDER unsigned long flags; __u8 hcr; #endif @@ -736,7 +711,7 @@ static int w83977af_dma_receive(struct w83977af_ir *self) self->io.direction = IO_RECV; self->rx_buff.data = self->rx_buff.head; -#ifdef CONFIG_NETWINDER_RX_DMA_PROBLEMS +#ifdef CONFIG_ARCH_NETWINDER spin_lock_irqsave(&self->lock, flags); disable_dma(self->io.dma); @@ -759,7 +734,7 @@ static int w83977af_dma_receive(struct w83977af_ir *self) /* Enable DMA */ switch_bank(iobase, SET0); -#ifdef CONFIG_NETWINDER_RX_DMA_PROBLEMS +#ifdef CONFIG_ARCH_NETWINDER hcr = inb(iobase+HCR); outb(hcr | HCR_EN_DMA, iobase+HCR); enable_dma(self->io.dma); -- cgit v1.2.3 From 9cc5e36d1c4794939deafd9f43bce2eab9c1142d Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 13 May 2014 01:04:36 +0200 Subject: irda: sh_irda: Enable driver compilation with COMPILE_TEST This helps increasing build testing coverage. Signed-off-by: Laurent Pinchart Acked-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/irda/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/irda') diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index 3da44d5d9149..8d101d63abca 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -396,7 +396,8 @@ config MCS_FIR config SH_IRDA tristate "SuperH IrDA driver" - depends on IRDA && ARCH_SHMOBILE + depends on IRDA + depends on ARCH_SHMOBILE || COMPILE_TEST help Say Y here if your want to enable SuperH IrDA devices. -- cgit v1.2.3 From c65a9656f18d2db52dedf86b294546da91408c41 Mon Sep 17 00:00:00 2001 From: Peter Senna Tschudin Date: Sat, 31 May 2014 13:21:59 -0300 Subject: via-ircc: Remove useless return variables This patch remove variables that are initialized with a constant, are never updated, and are only used as parameter of return. Return the constant instead of using a variable. Verified by compilation only. The coccinelle script that find and fixes this issue is: // @@ type T; constant C; identifier ret; @@ - T ret = C; ... when != ret when strict return - ret + C ; // Signed-off-by: Peter Senna Tschudin Signed-off-by: David S. Miller --- drivers/net/irda/via-ircc.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/net/irda') diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 2900af091c2d..998bb89ede71 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -510,10 +510,8 @@ static void via_hw_init(struct via_ircc_cb *self) */ static int via_ircc_read_dongle_id(int iobase) { - int dongle_id = 9; /* Default to IBM */ - IRDA_ERROR("via-ircc: dongle probing not supported, please specify dongle_id module parameter.\n"); - return dongle_id; + return 9; /* Default to IBM */ } /* @@ -926,7 +924,6 @@ static int via_ircc_dma_xmit(struct via_ircc_cb *self, u16 iobase) static int via_ircc_dma_xmit_complete(struct via_ircc_cb *self) { int iobase; - int ret = TRUE; u8 Tx_status; IRDA_DEBUG(3, "%s()\n", __func__); @@ -983,7 +980,7 @@ F01_E*/ // Tell the network layer, that we can accept more frames netif_wake_queue(self->netdev); //F01 } - return ret; + return TRUE; } /* -- cgit v1.2.3