From c2ab64d09815cc4d48347ee3679658f197455a2a Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Thu, 17 Nov 2005 16:28:37 -0500 Subject: [PARISC] Add IRQ affinities This really only adds them for the machines I can check SMP on, which is CPU interrupts and IOSAPIC (so not any of the GSC based machines). With this patch, irqbalanced can be used to maintain irq balancing. Unfortunately, irqbalanced is a bit x86 centric, so it doesn't do an incredibly good job, but it does work. Signed-off-by: James Bottomley Signed-off-by: Kyle McMartin --- drivers/parisc/iosapic.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index a39fbfef789..19657efa8dc 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -700,6 +700,28 @@ static unsigned int iosapic_startup_irq(unsigned int irq) return 0; } +#ifdef CONFIG_SMP +static void iosapic_set_affinity_irq(unsigned int irq, cpumask_t dest) +{ + struct vector_info *vi = iosapic_get_vector(irq); + u32 d0, d1, dummy_d0; + unsigned long flags; + + if (cpu_check_affinity(irq, &dest)) + return; + + vi->txn_addr = txn_affinity_addr(irq, first_cpu(dest)); + + spin_lock_irqsave(&iosapic_lock, flags); + /* d1 contains the destination CPU, so only want to set that + * entry */ + iosapic_rd_irt_entry(vi, &d0, &d1); + iosapic_set_irt_data(vi, &dummy_d0, &d1); + iosapic_wr_irt_entry(vi, d0, d1); + spin_unlock_irqrestore(&iosapic_lock, flags); +} +#endif + static struct hw_interrupt_type iosapic_interrupt_type = { .typename = "IO-SAPIC-level", .startup = iosapic_startup_irq, @@ -708,7 +730,9 @@ static struct hw_interrupt_type iosapic_interrupt_type = { .disable = iosapic_disable_irq, .ack = no_ack_irq, .end = iosapic_end_irq, -// .set_affinity = iosapic_set_affinity_irq, +#ifdef CONFIG_SMP + .set_affinity = iosapic_set_affinity_irq, +#endif }; int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev) -- cgit v1.2.3-18-g5258 From 92495c0ebc99ee00651571cba6939783234f7696 Mon Sep 17 00:00:00 2001 From: Ryan Bradetich Date: Thu, 17 Nov 2005 16:36:52 -0500 Subject: [PARISC] Compile fixups for serial/mux.c This patch does the following: * Fixes compiler warnings. * Replaces a __raw_readl call with the existing macro. Signed-off-by: Ryan Bradetich Signed-off-by: Kyle McMartin --- drivers/serial/mux.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index 660bae5ba17..36e3bcb1ebf 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -65,8 +65,8 @@ static struct uart_driver mux_driver = { static struct timer_list mux_timer; -#define UART_PUT_CHAR(p, c) __raw_writel((c), (unsigned long)(p)->membase + IO_DATA_REG_OFFSET) -#define UART_GET_FIFO_CNT(p) __raw_readl((unsigned long)(p)->membase + IO_DCOUNT_REG_OFFSET) +#define UART_PUT_CHAR(p, c) __raw_writel((c), (p)->membase + IO_DATA_REG_OFFSET) +#define UART_GET_FIFO_CNT(p) __raw_readl((p)->membase + IO_DCOUNT_REG_OFFSET) #define GET_MUX_PORTS(iodc_data) ((((iodc_data)[4] & 0xf0) >> 4) * 8) + 8 /** @@ -79,10 +79,7 @@ static struct timer_list mux_timer; */ static unsigned int mux_tx_empty(struct uart_port *port) { - unsigned int cnt = __raw_readl((unsigned long)port->membase - + IO_DCOUNT_REG_OFFSET); - - return cnt ? 0 : TIOCSER_TEMT; + return UART_GET_FIFO_CNT(port) ? 0 : TIOCSER_TEMT; } /** @@ -218,8 +215,7 @@ static void mux_read(struct uart_port *port) __u32 start_count = port->icount.rx; while(1) { - data = __raw_readl((unsigned long)port->membase - + IO_DATA_REG_OFFSET); + data = __raw_readl(port->membase + IO_DATA_REG_OFFSET); if (MUX_STATUS(data)) continue; -- cgit v1.2.3-18-g5258 From a137ce8536f6124c42ac300be01b9b611c7db5a1 Mon Sep 17 00:00:00 2001 From: Ryan Bradetich Date: Thu, 17 Nov 2005 16:38:28 -0500 Subject: [PARISC] Define port->timeout to fix a long msleep in mux.c This commit is in response to a bug reported by Vesa on the irc channel a couple of weeks ago. The bug was that the console would apparently hang (not return) while using the mux console. The root cause of this bug is that bash (with readline support) makes a call to the tcsetattr() glibc function with the argument TCSADRAIN. This causes the serial core in the kernel use the uart_wait_until_sent() to be called. This function verifies the mux transmit queue is empty or calls the msleep_interruptable() with a calculated timeout value that is dependant upon the port->timeout variable. The real problem here is that the port->timeout was not defined so it was defaulted to 0 and the timeout calculation performs the following calculation: char_time = (port->timeout - HZ/50) / port->fifosize; where char_time is an unsigned long. Since the serial Mux does not use interrupts, the msleep_interruptable() function waits until the timeout has been reached ... and when the port->timeout < HZ/50 this timeout will be a long time. (I have validated that the console will eventually return ... but it takes quite a while for this to happen). This patch simply sets the port->timeout on the Mux to HZ/50 to avoid this long timeout period. Signed-off-by: Ryan Bradetich Signed-off-by: Kyle McMartin --- drivers/serial/mux.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c index 36e3bcb1ebf..7633132a10a 100644 --- a/drivers/serial/mux.c +++ b/drivers/serial/mux.c @@ -477,6 +477,13 @@ static int __init mux_probe(struct parisc_device *dev) port->ops = &mux_pops; port->flags = UPF_BOOT_AUTOCONF; port->line = port_cnt; + + /* The port->timeout needs to match what is present in + * uart_wait_until_sent in serial_core.c. Otherwise + * the time spent in msleep_interruptable will be very + * long, causing the appearance of a console hang. + */ + port->timeout = HZ / 50; spin_lock_init(&port->lock); status = uart_add_one_port(&mux_driver, port); BUG_ON(status); -- cgit v1.2.3-18-g5258 From a39cf72ceb406e152c4682c0b635a96f1439c5ed Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Thu, 17 Nov 2005 16:44:57 -0500 Subject: [PARISC] Make superio.c initialize before any driver needs it Convert superio_init to use PCI_FIXUP_FINAL as ohci_pci being called before superio_probe really makes a mess. superio_init will then fail to register irq 20 (the "SuperIO" irq) and BUG() because ohci_pci has stolen it before superio_fixup_irq can be moved USB to irq 1. Signed-off-by: Kyle McMartin --- drivers/parisc/superio.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index bab3bcabcb6..d14888e149b 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -24,6 +24,9 @@ * Major changes to get basic interrupt infrastructure working to * hopefully be able to support all SuperIO devices. Currently * works with serial. -- John Marvin + * + * Converted superio_init() to be a PCI_FIXUP_FINAL callee. + * -- Kyle McMartin */ @@ -141,10 +144,10 @@ superio_interrupt(int parent_irq, void *devp, struct pt_regs *regs) } /* Initialize Super I/O device */ - -static void __devinit -superio_init(struct superio_device *sio) +static void +superio_init(struct pci_dev *pcidev) { + struct superio_device *sio = &sio_dev; struct pci_dev *pdev = sio->lio_pdev; u16 word; @@ -160,8 +163,8 @@ superio_init(struct superio_device *sio) /* ...then properly fixup the USB to point at suckyio PIC */ sio->usb_pdev->irq = superio_fixup_irq(sio->usb_pdev); - printk (KERN_INFO "SuperIO: Found NS87560 Legacy I/O device at %s (IRQ %i) \n", - pci_name(pdev),pdev->irq); + printk(KERN_INFO "SuperIO: Found NS87560 Legacy I/O device at %s (IRQ %i) \n", + pci_name(pdev), pdev->irq); pci_read_config_dword (pdev, SIO_SP1BAR, &sio->sp1_base); sio->sp1_base &= ~1; @@ -274,7 +277,7 @@ superio_init(struct superio_device *sio) sio->suckyio_irq_enabled = 1; } - +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init); static void superio_disable_irq(unsigned int irq) { @@ -452,8 +455,10 @@ static void superio_fixup_pci(struct pci_dev *pdev) DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415, superio_fixup_pci); -static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_id *id) +static int __devinit +superio_probe(struct pci_dev *dev, const struct pci_device_id *id) { + struct superio_device *sio = &sio_dev; /* ** superio_probe(00:0e.0) ven 0x100b dev 0x2 sv 0x0 sd 0x0 class 0x1018a @@ -466,7 +471,8 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_ dev->subsystem_vendor, dev->subsystem_device, dev->class); - superio_init(&sio_dev); + if (!sio->suckyio_irq_enabled) + BUG(); /* Enabled by PCI_FIXUP_FINAL */ if (dev->device == PCI_DEVICE_ID_NS_87560_LIO) { /* Function 1 */ superio_parport_init(); @@ -481,19 +487,21 @@ static int __devinit superio_probe(struct pci_dev *dev, const struct pci_device_ DBG_INIT("superio_probe: WTF? Fire Extinguisher?\n"); } - /* Let appropriate other driver claim this device. */ + /* Let appropriate other driver claim this device. */ return -ENODEV; } static struct pci_device_id superio_tbl[] = { - { PCI_VENDOR_ID_NS, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO) }, + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_USB) }, + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415) }, { 0, } }; static struct pci_driver superio_driver = { - .name = "SuperIO", - .id_table = superio_tbl, - .probe = superio_probe, + .name = "SuperIO", + .id_table = superio_tbl, + .probe = superio_probe, }; static int __init superio_modinit(void) @@ -506,6 +514,5 @@ static void __exit superio_exit(void) pci_unregister_driver(&superio_driver); } - module_init(superio_modinit); module_exit(superio_exit); -- cgit v1.2.3-18-g5258 From 305f5167f1e9d832b332933979b6b5e3cc68ce73 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Fri, 18 Nov 2005 16:17:50 -0500 Subject: [PARISC] Make Serial MUX depend on a specific bus type. Depend on GSC, not PARISC. Machines without GSC don't have a MUX. Signed-off-by: Matthew Wilcox Signed-off-by: Kyle McMartin --- drivers/serial/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index ff36f0c9fda..ad47c1b84c3 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -507,7 +507,7 @@ config SERIAL_SUNSU_CONSOLE config SERIAL_MUX tristate "Serial MUX support" - depends on PARISC + depends on GSC select SERIAL_CORE default y ---help--- -- cgit v1.2.3-18-g5258 From 41df894007c5607b3892336fd72024c4dfa35bdf Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Fri, 18 Nov 2005 16:18:40 -0500 Subject: [PARISC] Mention PA-RISC in NS87415 help Mention PA-RISC in NS87415 help. PA-RISC [BCJ]xxx0 workstations come with NS87415 integrated for their CD-ROM drives. Signed-off-by: Matthew Wilcox Signed-off-by: Kyle McMartin --- drivers/ide/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index ed2bc87f475..31e649a9ff7 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -625,7 +625,7 @@ config BLK_DEV_NS87415 tristate "NS87415 chipset support" help This driver adds detection and support for the NS87415 chip - (used in SPARC64, among others). + (used mainly on SPARC64 and PA-RISC machines). Please read the comments at the top of . -- cgit v1.2.3-18-g5258 From 21b3d1d792af367854e61ee05dd9b2c931b60fed Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Fri, 18 Nov 2005 16:20:10 -0500 Subject: [PARISC] Mark hisax and pcbit ISDN drivers as not for parisc These drivers do not compile on big endian systems, and parisc is big endian. Also mark some as broken on m68k as well. Signed-off-by: Matthew Wilcox Signed-off-by: Kyle McMartin --- drivers/isdn/hisax/Kconfig | 12 ++++++------ drivers/isdn/pcbit/Kconfig | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers') diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig index 801c98f30e5..c82105920d7 100644 --- a/drivers/isdn/hisax/Kconfig +++ b/drivers/isdn/hisax/Kconfig @@ -110,7 +110,7 @@ config HISAX_16_3 config HISAX_TELESPCI bool "Teles PCI" - depends on PCI && (BROKEN || !(SPARC64 || PPC)) + depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K)) help This enables HiSax support for the Teles PCI. See on how to configure it. @@ -238,7 +238,7 @@ config HISAX_MIC config HISAX_NETJET bool "NETjet card" - depends on PCI && (BROKEN || !(SPARC64 || PPC)) + depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K)) help This enables HiSax support for the NetJet from Traverse Technologies. @@ -249,7 +249,7 @@ config HISAX_NETJET config HISAX_NETJET_U bool "NETspider U card" - depends on PCI && (BROKEN || !(SPARC64 || PPC)) + depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K)) help This enables HiSax support for the Netspider U interface ISDN card from Traverse Technologies. @@ -317,7 +317,7 @@ config HISAX_GAZEL config HISAX_HFC_PCI bool "HFC PCI-Bus cards" - depends on PCI && (BROKEN || !(SPARC64 || PPC)) + depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K)) help This enables HiSax support for the HFC-S PCI 2BDS0 based cards. @@ -344,14 +344,14 @@ config HISAX_HFC_SX config HISAX_ENTERNOW_PCI bool "Formula-n enter:now PCI card" - depends on PCI && (BROKEN || !(SPARC64 || PPC)) + depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K)) help This enables HiSax support for the Formula-n enter:now PCI ISDN card. config HISAX_AMD7930 bool "Am7930 (EXPERIMENTAL)" - depends on EXPERIMENTAL && (SPARC32 || SPARC64) + depends on EXPERIMENTAL && SPARC help This enables HiSax support for the AMD7930 chips on some SPARCs. This code is not finished yet. diff --git a/drivers/isdn/pcbit/Kconfig b/drivers/isdn/pcbit/Kconfig index f06997faef1..0933881ab0c 100644 --- a/drivers/isdn/pcbit/Kconfig +++ b/drivers/isdn/pcbit/Kconfig @@ -3,7 +3,7 @@ # config ISDN_DRV_PCBIT tristate "PCBIT-D support" - depends on ISDN_I4L && ISA && (BROKEN || !PPC) + depends on ISDN_I4L && ISA && (BROKEN || X86) help This enables support for the PCBIT ISDN-card. This card is manufactured in Portugal by Octal. For running this card, -- cgit v1.2.3-18-g5258