diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 16:12:59 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 16:12:59 +0000 |
commit | c9e0ccf07c715d71b9b8c845d6e7e033678c5557 (patch) | |
tree | 485e6a0b0929d17808b879fb639626c07fd463fc /target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch | |
parent | c8e24ec13e92ee8eb93797907fe362347bdde609 (diff) |
[lantiq] 3.2 R.I.P.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31911 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch b/target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch deleted file mode 100644 index bbfd0bd1a..000000000 --- a/target/linux/lantiq/patches-3.2/0021-MIPS-lantiq-use-devres-managed-gpios.patch +++ /dev/null @@ -1,259 +0,0 @@ -From 20ed991ce59030544426dc3422da7ee76667537b Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 8 Mar 2012 08:37:25 +0100 -Subject: [PATCH 21/73] MIPS: lantiq: use devres managed gpios - -3.2 introduced devm_request_gpio() to allow managed gpios. - -The devres api requires a struct device pointer to work. Add a parameter to ltq_gpio_request() -so that managed gpios can work. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - .../include/asm/mach-lantiq/falcon/lantiq_soc.h | 4 +--- - arch/mips/include/asm/mach-lantiq/lantiq.h | 4 ++++ - .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 3 --- - arch/mips/lantiq/falcon/gpio.c | 4 ++-- - arch/mips/lantiq/falcon/prom.c | 7 ------- - arch/mips/lantiq/xway/gpio.c | 4 ++-- - arch/mips/lantiq/xway/gpio_stp.c | 13 ++++++++----- - arch/mips/pci/pci-lantiq.c | 18 ++++++++++-------- - drivers/net/ethernet/lantiq_etop.c | 9 ++++++--- - drivers/tty/serial/lantiq.c | 12 ++++++++++++ - 10 files changed, 45 insertions(+), 33 deletions(-) - ---- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h -+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h -@@ -126,9 +126,7 @@ extern __iomem void *ltq_sys1_membase; - #define ltq_sys1_w32_mask(clear, set, reg) \ - ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg) - --/* gpio_request wrapper to help configure the pin */ --extern int ltq_gpio_request(unsigned int pin, unsigned int mux, -- unsigned int dir, const char *name); -+/* gpio wrapper to help configure the pin muxing */ - extern int ltq_gpio_mux_set(unsigned int pin, unsigned int mux); - - /* to keep the irq code generic we need to define these to 0 as falcon ---- a/arch/mips/include/asm/mach-lantiq/lantiq.h -+++ b/arch/mips/include/asm/mach-lantiq/lantiq.h -@@ -37,6 +37,10 @@ extern unsigned int ltq_get_soc_type(voi - /* spinlock all ebu i/o */ - extern spinlock_t ebu_lock; - -+/* request a non-gpio and set the PIO config */ -+extern int ltq_gpio_request(struct device *dev, unsigned int pin, -+ unsigned int mux, unsigned int dir, const char *name); -+ - /* some irq helpers */ - extern void ltq_disable_irq(struct irq_data *data); - extern void ltq_mask_and_ack_irq(struct irq_data *data); ---- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h -+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h -@@ -145,9 +145,6 @@ - extern __iomem void *ltq_ebu_membase; - extern __iomem void *ltq_cgu_membase; - --/* request a non-gpio and set the PIO config */ --extern int ltq_gpio_request(unsigned int pin, unsigned int mux, -- unsigned int dir, const char *name); - extern void ltq_pmu_enable(unsigned int module); - extern void ltq_pmu_disable(unsigned int module); - extern void ltq_cgu_enable(unsigned int clk); ---- a/arch/mips/lantiq/falcon/gpio.c -+++ b/arch/mips/lantiq/falcon/gpio.c -@@ -97,7 +97,7 @@ int ltq_gpio_mux_set(unsigned int pin, u - } - EXPORT_SYMBOL(ltq_gpio_mux_set); - --int ltq_gpio_request(unsigned int pin, unsigned int mux, -+int ltq_gpio_request(struct device *dev, unsigned int pin, unsigned int mux, - unsigned int dir, const char *name) - { - int port = pin / 100; -@@ -106,7 +106,7 @@ int ltq_gpio_request(unsigned int pin, u - if (offset >= PINS_PER_PORT || port >= MAX_PORTS) - return -EINVAL; - -- if (gpio_request(pin, name)) { -+ if (devm_gpio_request(dev, pin, name)) { - pr_err("failed to setup lantiq gpio: %s\n", name); - return -EBUSY; - } ---- a/arch/mips/lantiq/falcon/prom.c -+++ b/arch/mips/lantiq/falcon/prom.c -@@ -27,9 +27,6 @@ - #define TYPE_SHIFT 26 - #define TYPE_MASK 0x3C000000 - --#define MUXC_SIF_RX_PIN 112 --#define MUXC_SIF_TX_PIN 113 -- - /* this parameter allows us enable/disable asc1 via commandline */ - static int register_asc1; - static int __init -@@ -48,10 +45,6 @@ ltq_soc_setup(void) - falcon_register_gpio(); - if (register_asc1) { - ltq_register_asc(1); -- if (ltq_gpio_request(MUXC_SIF_RX_PIN, 3, 0, "asc1-rx")) -- pr_err("failed to request asc1-rx"); -- if (ltq_gpio_request(MUXC_SIF_TX_PIN, 3, 1, "asc1-tx")) -- pr_err("failed to request asc1-tx"); - ltq_sysctl_activate(SYSCTL_SYS1, ACTS_ASC1_ACT); - } - } ---- a/arch/mips/lantiq/xway/gpio.c -+++ b/arch/mips/lantiq/xway/gpio.c -@@ -50,14 +50,14 @@ int irq_to_gpio(unsigned int gpio) - } - EXPORT_SYMBOL(irq_to_gpio); - --int ltq_gpio_request(unsigned int pin, unsigned int mux, -+int ltq_gpio_request(struct device *dev, unsigned int pin, unsigned int mux, - unsigned int dir, const char *name) - { - int id = 0; - - if (pin >= (MAX_PORTS * PINS_PER_PORT)) - return -EINVAL; -- if (gpio_request(pin, name)) { -+ if (devm_gpio_request(dev, pin, name)) { - pr_err("failed to setup lantiq gpio: %s\n", name); - return -EBUSY; - } ---- a/arch/mips/lantiq/xway/gpio_stp.c -+++ b/arch/mips/lantiq/xway/gpio_stp.c -@@ -80,11 +80,6 @@ static struct gpio_chip ltq_stp_chip = { - - static int ltq_stp_hw_init(void) - { -- /* the 3 pins used to control the external stp */ -- ltq_gpio_request(4, 2, 1, "stp-st"); -- ltq_gpio_request(5, 2, 1, "stp-d"); -- ltq_gpio_request(6, 2, 1, "stp-sh"); -- - /* sane defaults */ - ltq_stp_w32(0, LTQ_STP_AR); - ltq_stp_w32(0, LTQ_STP_CPU0); -@@ -133,6 +128,14 @@ static int __devinit ltq_stp_probe(struc - dev_err(&pdev->dev, "failed to remap STP memory\n"); - return -ENOMEM; - } -+ -+ /* the 3 pins used to control the external stp */ -+ if (ltq_gpio_request(&pdev->dev, 4, 2, 1, "stp-st") || -+ ltq_gpio_request(&pdev->dev, 5, 2, 1, "stp-d") || -+ ltq_gpio_request(&pdev->dev, 6, 2, 1, "stp-sh")) { -+ dev_err(&pdev->dev, "failed to request needed gpios\n"); -+ return -EBUSY; -+ } - ret = gpiochip_add(<q_stp_chip); - if (!ret) - ret = ltq_stp_hw_init(); ---- a/arch/mips/pci/pci-lantiq.c -+++ b/arch/mips/pci/pci-lantiq.c -@@ -150,24 +150,26 @@ static u32 ltq_calc_bar11mask(void) - return bar11mask; - } - --static void ltq_pci_setup_gpio(int gpio) -+static void ltq_pci_setup_gpio(struct device *dev) - { -+ struct ltq_pci_data *conf = (struct ltq_pci_data *) dev->platform_data; - int i; - for (i = 0; i < ARRAY_SIZE(ltq_pci_gpio_map); i++) { -- if (gpio & (1 << i)) { -- ltq_gpio_request(ltq_pci_gpio_map[i].pin, -+ if (conf->gpio & (1 << i)) { -+ ltq_gpio_request(dev, ltq_pci_gpio_map[i].pin, - ltq_pci_gpio_map[i].mux, - ltq_pci_gpio_map[i].dir, - ltq_pci_gpio_map[i].name); - } - } -- ltq_gpio_request(21, 0, 1, "pci-reset"); -- ltq_pci_req_mask = (gpio >> PCI_REQ_SHIFT) & PCI_REQ_MASK; -+ ltq_gpio_request(dev, 21, 0, 1, "pci-reset"); -+ ltq_pci_req_mask = (conf->gpio >> PCI_REQ_SHIFT) & PCI_REQ_MASK; - } - --static int __devinit ltq_pci_startup(struct ltq_pci_data *conf) -+static int __devinit ltq_pci_startup(struct device *dev) - { - u32 temp_buffer; -+ struct ltq_pci_data *conf = (struct ltq_pci_data *) dev->platform_data; - - /* set clock to 33Mhz */ - if (ltq_is_ar9()) { -@@ -190,7 +192,7 @@ static int __devinit ltq_pci_startup(str - } - - /* setup pci clock and gpis used by pci */ -- ltq_pci_setup_gpio(conf->gpio); -+ ltq_pci_setup_gpio(dev); - - /* enable auto-switching between PCI and EBU */ - ltq_pci_w32(0xa, PCI_CR_CLK_CTRL); -@@ -275,7 +277,7 @@ static int __devinit ltq_pci_probe(struc - ioremap_nocache(LTQ_PCI_CFG_BASE, LTQ_PCI_CFG_BASE); - ltq_pci_controller.io_map_base = - (unsigned long)ioremap(LTQ_PCI_IO_BASE, LTQ_PCI_IO_SIZE - 1); -- ltq_pci_startup(ltq_pci_data); -+ ltq_pci_startup(&pdev->dev); - register_pci_controller(<q_pci_controller); - - return 0; ---- a/drivers/net/ethernet/lantiq_etop.c -+++ b/drivers/net/ethernet/lantiq_etop.c -@@ -291,9 +291,6 @@ ltq_etop_gbit_init(void) - { - ltq_pmu_enable(PMU_SWITCH); - -- ltq_gpio_request(42, 2, 1, "MDIO"); -- ltq_gpio_request(43, 2, 1, "MDC"); -- - ltq_gbit_w32_mask(0, GCTL0_SE, LTQ_GBIT_GCTL0); - /** Disable MDIO auto polling mode */ - ltq_gbit_w32_mask(0, PX_CTL_DMDIO, LTQ_GBIT_P0_CTL); -@@ -868,6 +865,12 @@ ltq_etop_probe(struct platform_device *p - err = -ENOMEM; - goto err_out; - } -+ if (ltq_gpio_request(&pdev->dev, 42, 2, 1, "MDIO") || -+ ltq_gpio_request(&pdev->dev, 43, 2, 1, "MDC")) { -+ dev_err(&pdev->dev, "failed to request MDIO gpios\n"); -+ err = -EBUSY; -+ goto err_out; -+ } - } - - dev = alloc_etherdev_mq(sizeof(struct ltq_etop_priv), 4); ---- a/drivers/tty/serial/lantiq.c -+++ b/drivers/tty/serial/lantiq.c -@@ -107,6 +107,9 @@ - #define ASCFSTAT_TXFREEMASK 0x3F000000 - #define ASCFSTAT_TXFREEOFF 24 - -+#define MUXC_SIF_RX_PIN 112 -+#define MUXC_SIF_TX_PIN 113 -+ - static void lqasc_tx_chars(struct uart_port *port); - static struct ltq_uart_port *lqasc_port[MAXPORTS]; - static struct uart_driver lqasc_reg; -@@ -529,6 +532,15 @@ lqasc_request_port(struct uart_port *por - if (port->membase == NULL) - return -ENOMEM; - } -+ if (ltq_is_falcon() && (port->line == 1)) { -+ struct ltq_uart_port *ltq_port = lqasc_port[pdev->id]; -+ if (ltq_gpio_request(&pdev->dev, MUXC_SIF_RX_PIN, -+ 3, 0, "asc1-rx")) -+ return -EBUSY; -+ if (ltq_gpio_request(&pdev->dev, MUXC_SIF_TX_PIN, -+ 3, 1, "asc1-tx")) -+ return -EBUSY; -+ } - return 0; - } - |