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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.patch259
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 bbfd0bd1a9..0000000000
--- 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(&ltq_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(&ltq_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;
- }
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 22:30:30 +0000