diff options
| -rw-r--r-- | arch/parisc/boot/compressed/misc.c | 4 | ||||
| -rw-r--r-- | arch/parisc/include/asm/thread_info.h | 5 | ||||
| -rw-r--r-- | arch/parisc/kernel/entry.S | 12 | ||||
| -rw-r--r-- | arch/parisc/kernel/hpmc.S | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/unwind.c | 1 | ||||
| -rw-r--r-- | arch/parisc/lib/delay.c | 2 | ||||
| -rw-r--r-- | drivers/parisc/lba_pci.c | 33 |
7 files changed, 50 insertions, 8 deletions
diff --git a/arch/parisc/boot/compressed/misc.c b/arch/parisc/boot/compressed/misc.c index 9345b44b86f0..f57118e1f6b4 100644 --- a/arch/parisc/boot/compressed/misc.c +++ b/arch/parisc/boot/compressed/misc.c @@ -123,8 +123,8 @@ int puts(const char *s) while ((nuline = strchr(s, '\n')) != NULL) { if (nuline != s) pdc_iodc_print(s, nuline - s); - pdc_iodc_print("\r\n", 2); - s = nuline + 1; + pdc_iodc_print("\r\n", 2); + s = nuline + 1; } if (*s != '\0') pdc_iodc_print(s, strlen(s)); diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h index c980a02a52bc..598c8d60fa5e 100644 --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -35,7 +35,12 @@ struct thread_info { /* thread information allocation */ +#ifdef CONFIG_IRQSTACKS +#define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */ +#else #define THREAD_SIZE_ORDER 3 /* PA-RISC requires at least 32k stack */ +#endif + /* Be sure to hunt all references to this down when you change the size of * the kernel stack */ #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index a4fd296c958e..f3cecf5117cf 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -878,9 +878,6 @@ ENTRY_CFI(syscall_exit_rfi) STREG %r19,PT_SR7(%r16) intr_return: - /* NOTE: Need to enable interrupts incase we schedule. */ - ssm PSW_SM_I, %r0 - /* check for reschedule */ mfctl %cr30,%r1 LDREG TI_FLAGS(%r1),%r19 /* sched.h: TIF_NEED_RESCHED */ @@ -907,6 +904,11 @@ intr_check_sig: LDREG PT_IASQ1(%r16), %r20 cmpib,COND(=),n 0,%r20,intr_restore /* backward */ + /* NOTE: We need to enable interrupts if we have to deliver + * signals. We used to do this earlier but it caused kernel + * stack overflows. */ + ssm PSW_SM_I, %r0 + copy %r0, %r25 /* long in_syscall = 0 */ #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ @@ -958,6 +960,10 @@ intr_do_resched: cmpib,COND(=) 0, %r20, intr_do_preempt nop + /* NOTE: We need to enable interrupts if we schedule. We used + * to do this earlier but it caused kernel stack overflows. */ + ssm PSW_SM_I, %r0 + #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ #endif diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S index e3a8e5e4d5de..8d072c44f300 100644 --- a/arch/parisc/kernel/hpmc.S +++ b/arch/parisc/kernel/hpmc.S @@ -305,6 +305,7 @@ ENDPROC_CFI(os_hpmc) __INITRODATA + .align 4 .export os_hpmc_size os_hpmc_size: .word .os_hpmc_end-.os_hpmc diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 5a657986ebbf..143f90e2f9f3 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -15,7 +15,6 @@ #include <linux/slab.h> #include <linux/kallsyms.h> #include <linux/sort.h> -#include <linux/sched.h> #include <linux/uaccess.h> #include <asm/assembly.h> diff --git a/arch/parisc/lib/delay.c b/arch/parisc/lib/delay.c index 7eab4bb8abe6..66e506520505 100644 --- a/arch/parisc/lib/delay.c +++ b/arch/parisc/lib/delay.c @@ -16,9 +16,7 @@ #include <linux/preempt.h> #include <linux/init.h> -#include <asm/processor.h> #include <asm/delay.h> - #include <asm/special_insns.h> /* for mfctl() */ #include <asm/processor.h> /* for boot_cpu_data */ diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index a25fed52f7e9..41b740aed3a3 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -1692,3 +1692,36 @@ void lba_set_iregs(struct parisc_device *lba, u32 ibase, u32 imask) iounmap(base_addr); } + +/* + * The design of the Diva management card in rp34x0 machines (rp3410, rp3440) + * seems rushed, so that many built-in components simply don't work. + * The following quirks disable the serial AUX port and the built-in ATI RV100 + * Radeon 7000 graphics card which both don't have any external connectors and + * thus are useless, and even worse, e.g. the AUX port occupies ttyS0 and as + * such makes those machines the only PARISC machines on which we can't use + * ttyS0 as boot console. + */ +static void quirk_diva_ati_card(struct pci_dev *dev) +{ + if (dev->subsystem_vendor != PCI_VENDOR_ID_HP || + dev->subsystem_device != 0x1292) + return; + + dev_info(&dev->dev, "Hiding Diva built-in ATI card"); + dev->device = 0; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QY, + quirk_diva_ati_card); + +static void quirk_diva_aux_disable(struct pci_dev *dev) +{ + if (dev->subsystem_vendor != PCI_VENDOR_ID_HP || + dev->subsystem_device != 0x1291) + return; + + dev_info(&dev->dev, "Hiding Diva built-in AUX serial device"); + dev->device = 0; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_DIVA_AUX, + quirk_diva_aux_disable); |
