Bryan, This patch doesn't seem to be up to date. It doesn't include the changes made based on feedback from Joe Perches.
Please see our SVN: Modified: trunk/arch/blackfin/kernel/bfin_gpio.c (3489 => 3490) -Michael >-----Original Message----- >From: Bryan Wu [mailto:[EMAIL PROTECTED] >Sent: Mittwoch, 8. August 2007 05:35 >To: [EMAIL PROTECTED]; linux-kernel@vger.kernel.org; >[EMAIL PROTECTED] >Cc: [EMAIL PROTECTED]; Michael Hennerich; Bryan Wu >Subject: [PATCH 01/12] Blackfin arch: add peripheral resource allocation >support > >From: Michael Hennerich <[EMAIL PROTECTED]> > >Signed-off-by: Michael Hennerich <[EMAIL PROTECTED]> >Signed-off-by: Bryan Wu <[EMAIL PROTECTED]> >--- > arch/blackfin/kernel/bfin_gpio.c | 272 >++++++++++++++++++--- > include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 11 +- > include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 23 +- > include/asm-blackfin/mach-bf537/portmux.h | 2 +- > include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 11 +- > 5 files changed, 274 insertions(+), 45 deletions(-) > >diff --git a/arch/blackfin/kernel/bfin_gpio.c >b/arch/blackfin/kernel/bfin_gpio.c >index bafcfa5..9f30948 100644 >--- a/arch/blackfin/kernel/bfin_gpio.c >+++ b/arch/blackfin/kernel/bfin_gpio.c >@@ -84,6 +84,7 @@ > #include <linux/err.h> > #include <asm/blackfin.h> > #include <asm/gpio.h> >+#include <asm/portmux.h> > #include <linux/irq.h> > > #ifdef BF533_FAMILY >@@ -115,7 +116,11 @@ static struct gpio_port_t >*gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = { > }; > #endif > >-static unsigned short reserved_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; >+static unsigned short reserved_gpio_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; >+static unsigned short reserved_peri_map[gpio_bank(MAX_BLACKFIN_GPIOS + >16)]; >+char *str_ident = NULL; >+ >+#define RESOURCE_LABEL_SIZE 16 > > #ifdef CONFIG_PM > static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; >@@ -143,13 +148,39 @@ inline int check_gpio(unsigned short gpio) > return 0; > } > >+static void set_label(unsigned short ident, const char *label) >+{ >+ >+ if (label && str_ident) { >+ strncpy(str_ident + ident * RESOURCE_LABEL_SIZE, label, >+ RESOURCE_LABEL_SIZE); >+ str_ident[ident * RESOURCE_LABEL_SIZE + >+ RESOURCE_LABEL_SIZE - 1] = 0; >+ } >+} >+ >+static char *get_label(unsigned short ident) >+{ >+ if (!str_ident) >+ return "UNKNOWN"; >+ >+ return (str_ident[ident * RESOURCE_LABEL_SIZE] ? >+ (str_ident + ident * RESOURCE_LABEL_SIZE) : "UNKNOWN"); >+} >+ >+static int cmp_label(unsigned short ident, const char *label) >+{ >+ if (label && str_ident) >+ return strncmp(str_ident + ident * RESOURCE_LABEL_SIZE, >+ label, strlen(label)); >+ else >+ return -EINVAL; >+} >+ > #ifdef BF537_FAMILY > static void port_setup(unsigned short gpio, unsigned short usage) > { > if (usage == GPIO_USAGE) { >- if (*port_fer[gpio_bank(gpio)] & gpio_bit(gpio)) >- printk(KERN_WARNING "bfin-gpio: Possible Conflict with >Peripheral " >- "usage and GPIO %d detected!\n", gpio); > *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio); > } else > *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); >@@ -159,6 +190,56 @@ static void port_setup(unsigned short gpio, unsigned >short usage) > # define port_setup(...) do { } while (0) > #endif > >+#ifdef BF537_FAMILY >+ >+#define PMUX_LUT_RES 0 >+#define PMUX_LUT_OFFSET 1 >+#define PMUX_LUT_ENTRIES 41 >+#define PMUX_LUT_SIZE 2 >+ >+static unsigned short port_mux_lut[PMUX_LUT_ENTRIES][PMUX_LUT_SIZE] = { >+ {P_PPI0_D13, 11}, {P_PPI0_D14, 11}, {P_PPI0_D15, 11}, >+ {P_SPORT1_TFS, 11}, {P_SPORT1_TSCLK, 11}, {P_SPORT1_DTPRI, 11}, >+ {P_PPI0_D10, 10}, {P_PPI0_D11, 10}, {P_PPI0_D12, 10}, >+ {P_SPORT1_RSCLK, 10}, {P_SPORT1_RFS, 10}, {P_SPORT1_DRPRI, 10}, >+ {P_PPI0_D8, 9}, {P_PPI0_D9, 9}, {P_SPORT1_DRSEC, 9}, >+ {P_SPORT1_DTSEC, 9}, {P_TMR2, 8}, {P_PPI0_FS3, 8}, {P_TMR3, 7}, >+ {P_SPI0_SSEL4, 7}, {P_TMR4, 6}, {P_SPI0_SSEL5, 6}, {P_TMR5, 5}, >+ {P_SPI0_SSEL6, 5}, {P_UART1_RX, 4}, {P_UART1_TX, 4}, {P_TMR6, 4}, >+ {P_TMR7, 4}, {P_UART0_RX, 3}, {P_UART0_TX, 3}, {P_DMAR0, 3}, >+ {P_DMAR1, 3}, {P_SPORT0_DTSEC, 1}, {P_SPORT0_DRSEC, 1}, >+ {P_CAN0_RX, 1}, {P_CAN0_TX, 1}, {P_SPI0_SSEL7, 1}, >+ {P_SPORT0_TFS, 0}, {P_SPORT0_DTPRI, 0}, {P_SPI0_SSEL2, 0}, >+ {P_SPI0_SSEL3, 0} >+}; >+ >+static void portmux_setup(unsigned short per, unsigned short function) >+{ >+ u16 y, muxreg, offset; >+ >+ for (y = 0; y < PMUX_LUT_ENTRIES; y++) { >+ if (port_mux_lut[y][PMUX_LUT_RES] == per) { >+ >+ /* SET PORTMUX REG */ >+ >+ offset = port_mux_lut[y][PMUX_LUT_OFFSET]; >+ muxreg = bfin_read_PORT_MUX(); >+ >+ if (offset != 1) { >+ muxreg &= ~(1 << offset); >+ } else { >+ muxreg &= ~(3 << 1); >+ } >+ >+ muxreg |= (function << offset); >+ bfin_write_PORT_MUX(muxreg); >+ } >+ } >+} >+ >+#else >+# define portmux_setup(...) do { } while (0) >+#endif > > static void default_gpio(unsigned short gpio) > { >@@ -179,22 +260,15 @@ static void default_gpio(unsigned short gpio) > > static int __init bfin_gpio_init(void) > { >- int i; >- >- printk(KERN_INFO "Blackfin GPIO Controller\n"); > >- for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) >- reserved_map[gpio_bank(i)] = 0; >+ str_ident = kzalloc(RESOURCE_LABEL_SIZE * 256, GFP_KERNEL); >+ if (!str_ident) >+ return -ENOMEM; > >-#if defined(BF537_FAMILY) && (defined(CONFIG_BFIN_MAC) || >defined(CONFIG_BFIN_MAC_MODULE)) >-# if defined(CONFIG_BFIN_MAC_RMII) >- reserved_map[gpio_bank(PORT_H)] = 0xC373; >-# else >- reserved_map[gpio_bank(PORT_H)] = 0xFFFF; >-# endif >-#endif >+ printk(KERN_INFO "Blackfin GPIO Controller\n"); > > return 0; >+ > } > > arch_initcall(bfin_gpio_init); >@@ -223,7 +297,7 @@ arch_initcall(bfin_gpio_init); > void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ > { \ > unsigned long flags; \ >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ > local_irq_save(flags); \ > if (arg) \ > gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \ >@@ -243,7 +317,7 @@ SET_GPIO(both) > #define SET_GPIO_SC(name) \ > void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ > { \ >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ > if (arg) \ > gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \ > else \ >@@ -258,7 +332,7 @@ SET_GPIO_SC(maskb) > void set_gpio_data(unsigned short gpio, unsigned short arg) > { > unsigned long flags; >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > local_irq_save(flags); > if (arg) > gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio); >@@ -277,7 +351,7 @@ SET_GPIO_SC(data) > void set_gpio_toggle(unsigned short gpio) > { > unsigned long flags; >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > local_irq_save(flags); > gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); > bfin_read_CHIPID(); >@@ -286,7 +360,7 @@ void set_gpio_toggle(unsigned short gpio) > #else > void set_gpio_toggle(unsigned short gpio) > { >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); > } > #endif >@@ -350,7 +424,7 @@ unsigned short get_gpio_data(unsigned short gpio) > { > unsigned long flags; > unsigned short ret; >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > local_irq_save(flags); > ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)); > bfin_read_CHIPID(); >@@ -494,13 +568,14 @@ u32 gpio_pm_setup(void) > gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir; > gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge; > gpio_bank_saved[bank].both = gpio_bankb[bank]->both; >- gpio_bank_saved[bank].reserved = reserved_map[bank]; >+ gpio_bank_saved[bank].reserved = >+ reserved_gpio_map[bank]; > > gpio = i; > > while (mask) { > if (mask & 1) { >- reserved_map[gpio_bank(gpio)] |= >+ reserved_gpio_map[gpio_bank(gpio)] |= > gpio_bit(gpio); > bfin_gpio_wakeup_type(gpio, > wakeup_flags_map[gpio]); >@@ -540,7 +615,8 @@ void gpio_pm_restore(void) > gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge; > gpio_bankb[bank]->both = gpio_bank_saved[bank].both; > >- reserved_map[bank] = gpio_bank_saved[bank].reserved; >+ reserved_gpio_map[bank] = >+ gpio_bank_saved[bank].reserved; > > } > >@@ -550,6 +626,140 @@ void gpio_pm_restore(void) > > #endif > >+ >+ >+ >+int peripheral_request(unsigned short per, const char *label) >+{ >+ unsigned long flags; >+ unsigned short ident = P_IDENT(per); >+ >+ /* >+ * Don't cares are pins with only one dedicated function >+ */ >+ >+ if (per & P_DONTCARE) >+ return 0; >+ >+ if (!(per & P_DEFINED)) >+ return -ENODEV; >+ >+ if (check_gpio(ident) < 0) >+ return -EINVAL; >+ >+ local_irq_save(flags); >+ >+ if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) >{ >+ printk(KERN_ERR >+ "%s: Peripheral %d is already reserved as GPIO by %s >!\n", >+ __FUNCTION__, ident, get_label(ident)); >+ dump_stack(); >+ local_irq_restore(flags); >+ return -EBUSY; >+ } >+ >+ if (unlikely(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident))) >{ >+ >+ /* >+ * Pin functions like AMC address strobes my >+ * be requested and used by several drivers >+ */ >+ >+ if (!(per & P_MAYSHARE)) { >+ >+ /* >+ * Allow that the identical pin function can >+ * be requested from the same driver twice >+ */ >+ >+ if (cmp_label(ident, label) == 0) >+ goto anyway; >+ >+ printk(KERN_ERR >+ "%s: Peripheral %d function %d is already" >+ "reserved by %s !\n", >+ __FUNCTION__, ident, P_FUNCT2MUX(per), >+ get_label(ident)); >+ dump_stack(); >+ local_irq_restore(flags); >+ return -EBUSY; >+ } >+ >+ } >+ >+anyway: >+ >+ >+ portmux_setup(per, P_FUNCT2MUX(per)); >+ >+ port_setup(ident, PERIPHERAL_USAGE); >+ >+ reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident); >+ local_irq_restore(flags); >+ set_label(ident, label); >+ >+ return 0; >+} >+EXPORT_SYMBOL(peripheral_request); >+ >+int peripheral_request_list(unsigned short per[], const char *label) >+{ >+ u16 cnt; >+ int ret; >+ >+ for (cnt = 0; per[cnt] != 0; cnt++) { >+ ret = peripheral_request(per[cnt], label); >+ if (ret < 0) >+ return ret; >+ } >+ >+ return 0; >+} >+EXPORT_SYMBOL(peripheral_request_list); >+ >+void peripheral_free(unsigned short per) >+{ >+ unsigned long flags; >+ unsigned short ident = P_IDENT(per); >+ >+ if (per & P_DONTCARE) >+ return; >+ >+ if (!(per & P_DEFINED)) >+ return; >+ >+ if (check_gpio(ident) < 0) >+ return; >+ >+ local_irq_save(flags); >+ >+ if (unlikely(!(reserved_peri_map[gpio_bank(ident)] >+ & gpio_bit(ident)))) { >+ local_irq_restore(flags); >+ return; >+ } >+ >+ if (!(per & P_MAYSHARE)) { >+ port_setup(ident, GPIO_USAGE); >+ } >+ >+ reserved_peri_map[gpio_bank(ident)] &= ~gpio_bit(ident); >+ >+ local_irq_restore(flags); >+} >+EXPORT_SYMBOL(peripheral_free); >+ >+void peripheral_free_list(unsigned short per[]) >+{ >+ u16 cnt; >+ >+ for (cnt = 0; per[cnt] != 0; cnt++) { >+ peripheral_free(per[cnt]); >+ } >+ >+} >+EXPORT_SYMBOL(peripheral_free_list); >+ > /*********************************************************** > * > * FUNCTIONS: Blackfin GPIO Driver >@@ -574,13 +784,13 @@ int gpio_request(unsigned short gpio, const char >*label) > > local_irq_save(flags); > >- if (unlikely(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))) { >+ if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) { > printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved!\n", >gpio); > dump_stack(); > local_irq_restore(flags); > return -EBUSY; > } >- reserved_map[gpio_bank(gpio)] |= gpio_bit(gpio); >+ reserved_gpio_map[gpio_bank(gpio)] |= gpio_bit(gpio); > > local_irq_restore(flags); > >@@ -599,7 +809,7 @@ void gpio_free(unsigned short gpio) > > local_irq_save(flags); > >- if (unlikely(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)))) { >+ if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) >{ > printk(KERN_ERR "bfin-gpio: GPIO %d wasn't reserved!\n", gpio); > dump_stack(); > local_irq_restore(flags); >@@ -608,7 +818,7 @@ void gpio_free(unsigned short gpio) > > default_gpio(gpio); > >- reserved_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); >+ reserved_gpio_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); > > local_irq_restore(flags); > } >@@ -618,7 +828,7 @@ void gpio_direction_input(unsigned short gpio) > { > unsigned long flags; > >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > > local_irq_save(flags); > gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio); >@@ -631,7 +841,7 @@ void gpio_direction_output(unsigned short gpio) > { > unsigned long flags; > >- BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); >+ BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); > > local_irq_save(flags); > gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio); >diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h >b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h >index e043caf..69b9f8e 100644 >--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h >+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h >@@ -1,5 +1,6 @@ > #include <linux/serial.h> > #include <asm/dma.h> >+#include <asm/portmux.h> > > #define NR_PORTS 1 > >@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = { > } > }; > >+#define DRIVER_NAME "bfin-uart" > > int nr_ports = NR_PORTS; > static void bfin_serial_hw_init(struct bfin_serial_port *uart) > { > >+#ifdef CONFIG_SERIAL_BFIN_UART0 >+ peripheral_request(P_UART0_TX, DRIVER_NAME); >+ peripheral_request(P_UART0_RX, DRIVER_NAME); >+#endif >+ > #ifdef CONFIG_SERIAL_BFIN_CTSRTS > if (uart->cts_pin >= 0) { >- gpio_request(uart->cts_pin, NULL); >+ gpio_request(uart->cts_pin, DRIVER_NAME); > gpio_direction_input(uart->cts_pin); > } > if (uart->rts_pin >= 0) { >- gpio_request(uart->rts_pin, NULL); >+ gpio_request(uart->rts_pin, DRIVER_NAME); > gpio_direction_input(uart->rts_pin); > } > #endif >diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h >b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h >index 8f5d9c4..6fb328f 100644 >--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h >+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h >@@ -1,5 +1,6 @@ > #include <linux/serial.h> > #include <asm/dma.h> >+#include <asm/portmux.h> > > #define NR_PORTS 2 > >@@ -122,25 +123,29 @@ struct bfin_serial_res bfin_serial_resource[] = { > > int nr_ports = ARRAY_SIZE(bfin_serial_resource); > >+#define DRIVER_NAME "bfin-uart" >+ > static void bfin_serial_hw_init(struct bfin_serial_port *uart) > { >- unsigned short val; >- val = bfin_read16(BFIN_PORT_MUX); >- val &= ~(PFDE | PFTE); >- bfin_write16(BFIN_PORT_MUX, val); > >- val = bfin_read16(PORTF_FER); >- val |= 0xF; >- bfin_write16(PORTF_FER, val); >+#ifdef CONFIG_SERIAL_BFIN_UART0 >+ peripheral_request(P_UART0_TX, DRIVER_NAME); >+ peripheral_request(P_UART0_RX, DRIVER_NAME); >+#endif >+ >+#ifdef CONFIG_SERIAL_BFIN_UART1 >+ peripheral_request(P_UART1_TX, DRIVER_NAME); >+ peripheral_request(P_UART1_RX, DRIVER_NAME); >+#endif > > #ifdef CONFIG_SERIAL_BFIN_CTSRTS > if (uart->cts_pin >= 0) { >- gpio_request(uart->cts_pin, NULL); >+ gpio_request(uart->cts_pin, DRIVER_NAME); > gpio_direction_input(uart->cts_pin); > } > > if (uart->rts_pin >= 0) { >- gpio_request(uart->rts_pin, NULL); >+ gpio_request(uart->rts_pin, DRIVER_NAME); > gpio_direction_output(uart->rts_pin); > } > #endif >diff --git a/include/asm-blackfin/mach-bf537/portmux.h b/include/asm- >blackfin/mach-bf537/portmux.h >index 23e13c5..7daa247 100644 >--- a/include/asm-blackfin/mach-bf537/portmux.h >+++ b/include/asm-blackfin/mach-bf537/portmux.h >@@ -106,4 +106,4 @@ > #define P_SPI0_SSEL2 (P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1)) > #define P_SPI0_SSEL7 (P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(2)) > >-#endif /* _MACH_PORTMUX_H_ */ >+#endif /* _MACH_PORTMUX_H_ */ >diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h >b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h >index e043caf..69b9f8e 100644 >--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h >+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h >@@ -1,5 +1,6 @@ > #include <linux/serial.h> > #include <asm/dma.h> >+#include <asm/portmux.h> > > #define NR_PORTS 1 > >@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = { > } > }; > >+#define DRIVER_NAME "bfin-uart" > > int nr_ports = NR_PORTS; > static void bfin_serial_hw_init(struct bfin_serial_port *uart) > { > >+#ifdef CONFIG_SERIAL_BFIN_UART0 >+ peripheral_request(P_UART0_TX, DRIVER_NAME); >+ peripheral_request(P_UART0_RX, DRIVER_NAME); >+#endif >+ > #ifdef CONFIG_SERIAL_BFIN_CTSRTS > if (uart->cts_pin >= 0) { >- gpio_request(uart->cts_pin, NULL); >+ gpio_request(uart->cts_pin, DRIVER_NAME); > gpio_direction_input(uart->cts_pin); > } > if (uart->rts_pin >= 0) { >- gpio_request(uart->rts_pin, NULL); >+ gpio_request(uart->rts_pin, DRIVER_NAME); > gpio_direction_input(uart->rts_pin); > } > #endif >-- >1.5.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
