kernel: use -ffunction-sections, -fdata-sections and --gc-sections on mips

in combination with kernel symbol export stripping this significantly reduces
the kernel image size

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35320 3c298f89-4303-0410-b956-a3cf2f4a3e73

11 files changed, 18 insertions, 19 deletions

diff --git a/target/linux/ar71xx/patches-3.7/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch b/target/linux/ar71xx/patches-3.7/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch
index bd95d718b..89ab5ace6 100644
--- a/target/linux/ar71xx/patches-3.7/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch
+++ b/target/linux/ar71xx/patches-3.7/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch
@@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/arch/mips/ath79/pci.c
 +++ b/arch/mips/ath79/pci.c
-@@ -75,7 +75,9 @@ int __init pcibios_map_irq(const struct
+@@ -75,7 +75,9 @@ int __init pcibios_map_irq(const struct 
  		const struct ath79_pci_irq *entry;
  
  		entry = &ath79_pci_irq_map[i];
diff --git a/target/linux/ar71xx/patches-3.7/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch b/target/linux/ar71xx/patches-3.7/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch
index 0c3889fdb..5c6388c45 100644
--- a/target/linux/ar71xx/patches-3.7/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch
+++ b/target/linux/ar71xx/patches-3.7/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch
@@ -44,7 +44,7 @@ Subject: [PATCH 26/34] MIPS: ath79: add PCI controller registration code for the
  int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
  {
  	int irq = -1;
-@@ -64,6 +79,9 @@ int __init pcibios_map_irq(const struct
+@@ -64,6 +79,9 @@ int __init pcibios_map_irq(const struct 
  			   soc_is_ar9344()) {
  			ath79_pci_irq_map = ar724x_pci_irq_map;
  			ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
diff --git a/target/linux/ar71xx/patches-3.7/203-spi-ath79-use-gpio_request_one.patch b/target/linux/ar71xx/patches-3.7/203-spi-ath79-use-gpio_request_one.patch
index 12559bcae..a7329b2ab 100644
--- a/target/linux/ar71xx/patches-3.7/203-spi-ath79-use-gpio_request_one.patch
+++ b/target/linux/ar71xx/patches-3.7/203-spi-ath79-use-gpio_request_one.patch
@@ -32,19 +32,18 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 -		status = gpio_request(cdata->gpio, dev_name(&spi->dev));
 -		if (status)
 -			return status;
--
++		flags = GPIOF_DIR_OUT;
++		if (spi->mode & SPI_CS_HIGH)
++			flags |= GPIOF_INIT_HIGH;
++		else
++			flags |= GPIOF_INIT_LOW;
+ 
 -		status = gpio_direction_output(cdata->gpio,
 -					       spi->mode & SPI_CS_HIGH);
 -		if (status) {
 -			gpio_free(cdata->gpio);
 -			return status;
 -		}
-+		flags = GPIOF_DIR_OUT;
-+		if (spi->mode & SPI_CS_HIGH)
-+			flags |= GPIOF_INIT_HIGH;
-+		else
-+			flags |= GPIOF_INIT_LOW;
-+
 +		status = gpio_request_one(cdata->gpio, flags,
 +					  dev_name(&spi->dev));
  	}
diff --git a/target/linux/ar71xx/patches-3.7/204-spi-ath79-avoid-multiple-initialization-of-the-SPI-c.patch b/target/linux/ar71xx/patches-3.7/204-spi-ath79-avoid-multiple-initialization-of-the-SPI-c.patch
index c6f4b2b95..976159c6f 100644
--- a/target/linux/ar71xx/patches-3.7/204-spi-ath79-avoid-multiple-initialization-of-the-SPI-c.patch
+++ b/target/linux/ar71xx/patches-3.7/204-spi-ath79-avoid-multiple-initialization-of-the-SPI-c.patch
@@ -20,7 +20,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/drivers/spi/spi-ath79.c
 +++ b/drivers/spi/spi-ath79.c
-@@ -96,16 +96,8 @@ static void ath79_spi_chipselect(struct
+@@ -96,16 +96,8 @@ static void ath79_spi_chipselect(struct 
  
  }
  
diff --git a/target/linux/ar71xx/patches-3.7/206-spi-ath79-make-chipselect-logic-more-flexible.patch b/target/linux/ar71xx/patches-3.7/206-spi-ath79-make-chipselect-logic-more-flexible.patch
index 34df1756b..da83e2ebe 100644
--- a/target/linux/ar71xx/patches-3.7/206-spi-ath79-make-chipselect-logic-more-flexible.patch
+++ b/target/linux/ar71xx/patches-3.7/206-spi-ath79-make-chipselect-logic-more-flexible.patch
@@ -170,7 +170,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  struct ath79_spi {
  	struct spi_bitbang	bitbang;
  	u32			ioc_base;
-@@ -69,6 +71,7 @@ static void ath79_spi_chipselect(struct
+@@ -69,6 +71,7 @@ static void ath79_spi_chipselect(struct 
  {
  	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
  	int cs_high = (spi->mode & SPI_CS_HIGH) ? is_active : !is_active;
@@ -178,7 +178,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  
  	if (is_active) {
  		/* set initial clock polarity */
-@@ -80,20 +83,24 @@ static void ath79_spi_chipselect(struct
+@@ -80,20 +83,24 @@ static void ath79_spi_chipselect(struct 
  		ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
  	}
  
diff --git a/target/linux/ar71xx/patches-3.7/212-MIPS-ath79-fix-GPIO-function-selection-for-AR934x-So.patch b/target/linux/ar71xx/patches-3.7/212-MIPS-ath79-fix-GPIO-function-selection-for-AR934x-So.patch
index a9845baba..3e41789bf 100644
--- a/target/linux/ar71xx/patches-3.7/212-MIPS-ath79-fix-GPIO-function-selection-for-AR934x-So.patch
+++ b/target/linux/ar71xx/patches-3.7/212-MIPS-ath79-fix-GPIO-function-selection-for-AR934x-So.patch
@@ -19,7 +19,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
 
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -137,47 +137,61 @@ static struct gpio_chip ath79_gpio_chip
+@@ -137,47 +137,61 @@ static struct gpio_chip ath79_gpio_chip 
  	.base			= 0,
  };
  
diff --git a/target/linux/ar71xx/patches-3.7/500-MIPS-fw-myloader.patch b/target/linux/ar71xx/patches-3.7/500-MIPS-fw-myloader.patch
index 3559a27a2..184f67a72 100644
--- a/target/linux/ar71xx/patches-3.7/500-MIPS-fw-myloader.patch
+++ b/target/linux/ar71xx/patches-3.7/500-MIPS-fw-myloader.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/Makefile
 +++ b/arch/mips/Makefile
-@@ -180,6 +180,7 @@ endif
+@@ -182,6 +182,7 @@ endif
  #
  libs-$(CONFIG_ARC)		+= arch/mips/fw/arc/
  libs-$(CONFIG_CFE)		+= arch/mips/fw/cfe/
diff --git a/target/linux/ar71xx/patches-3.7/505-MIPS-ath79-add-ath79_gpio_function_select.patch b/target/linux/ar71xx/patches-3.7/505-MIPS-ath79-add-ath79_gpio_function_select.patch
index 86e136f67..08f4a1e95 100644
--- a/target/linux/ar71xx/patches-3.7/505-MIPS-ath79-add-ath79_gpio_function_select.patch
+++ b/target/linux/ar71xx/patches-3.7/505-MIPS-ath79-add-ath79_gpio_function_select.patch
@@ -10,7 +10,7 @@
  #endif /* __ATH79_COMMON_H */
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -198,6 +198,34 @@ void ath79_gpio_function_setup(u32 set,
+@@ -198,6 +198,34 @@ void ath79_gpio_function_setup(u32 set, 
  	spin_unlock_irqrestore(&ath79_gpio_lock, flags);
  }
  
diff --git a/target/linux/ar71xx/patches-3.7/521-MIPS-ath79-enable-UART-for-early_serial.patch b/target/linux/ar71xx/patches-3.7/521-MIPS-ath79-enable-UART-for-early_serial.patch
index 489bc9673..2ee025bbf 100644
--- a/target/linux/ar71xx/patches-3.7/521-MIPS-ath79-enable-UART-for-early_serial.patch
+++ b/target/linux/ar71xx/patches-3.7/521-MIPS-ath79-enable-UART-for-early_serial.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/early_printk.c
 +++ b/arch/mips/ath79/early_printk.c
-@@ -56,6 +56,46 @@ static void prom_putchar_dummy(unsigned
+@@ -56,6 +56,46 @@ static void prom_putchar_dummy(unsigned 
  	/* nothing to do */
  }
  
diff --git a/target/linux/ar71xx/patches-3.7/606-MIPS-ath79-pb44-fixes.patch b/target/linux/ar71xx/patches-3.7/606-MIPS-ath79-pb44-fixes.patch
index f9ec7753f..b38b46121 100644
--- a/target/linux/ar71xx/patches-3.7/606-MIPS-ath79-pb44-fixes.patch
+++ b/target/linux/ar71xx/patches-3.7/606-MIPS-ath79-pb44-fixes.patch
@@ -50,7 +50,7 @@
  #define PB44_GPIO_SW_RESET	(PB44_GPIO_EXP_BASE + 6)
  #define PB44_GPIO_SW_JUMP	(PB44_GPIO_EXP_BASE + 8)
  #define PB44_GPIO_LED_JUMP1	(PB44_GPIO_EXP_BASE + 9)
-@@ -92,21 +117,66 @@ static struct ath79_spi_controller_data
+@@ -92,21 +117,66 @@ static struct ath79_spi_controller_data 
  	.cs_line = 0,
  };
  
diff --git a/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch
index e7e1712b7..fc05676b8 100644
--- a/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch
+++ b/target/linux/ar71xx/patches-3.7/902-unaligned_access_hacks.patch
@@ -288,7 +288,7 @@
  #include <asm/uaccess.h>
  
  #include <linux/proc_fs.h>
-@@ -851,10 +852,10 @@ static void tcp_v6_send_response(struct
+@@ -851,10 +852,10 @@ static void tcp_v6_send_response(struct 
  	topt = (__be32 *)(t1 + 1);
  
  	if (ts) {
@@ -415,7 +415,7 @@
  	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
  		fl6.flowi6_mark = skb->mark;
  
-@@ -1256,7 +1256,7 @@ static int ip6gre_header(struct sk_buff
+@@ -1256,7 +1256,7 @@ static int ip6gre_header(struct sk_buff 
  	struct ipv6hdr *ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen);
  	__be16 *p = (__be16 *)(ipv6h+1);