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powerpc updates for 4.3

Browse source 
- Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask from Benjamin Herrenschmidt
  - EEH fixes for SRIOV from Gavin
  - Introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth
  - Use hardware RNG for arch_get_random_seed_* not arch_get_random_* from Paul Mackerras
  - Seccomp filter support from Michael Ellerman
  - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh Salgaonkar
  - Add powerpc timebase as a trace clock source from Naveen N. Rao
  - Misc cleanups in the xmon, signal & SLB code from Anshuman Khandual
  - Add an inline function to update POWER8 HID0 from Gautham R. Shenoy
  - Fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman
  - Drop support for 64K local store on 4K kernels from Michael Ellerman
  - move dma_get_required_mask() from pnv_phb to pci_controller_ops from Andrew Donnellan
  - Initialize distance lookup table from drconf path from Nikunj A Dadhania
  - Enable RTC class support from Vaibhav Jain
  - Disable automatically blocked PCI config from Gavin Shan
  - Add LEDs driver for PowerNV platform from Vasant Hegde
  - Fix endianness issues in the HVSI driver from Laurent Dufour
  - Kexec endian fixes from Samuel Mendoza-Jonas
  - Fix corrupted pdn list from Gavin Shan
  - Fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan
 
  - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
    optimizations, checksum optimizations, 85xx config fragments and updates,
    device tree updates, e6500 fixes for non-SMP, and misc cleanup and minor
    fixes.
 
  - A ton of cxl updates & fixes:
   - Add explicit precision specifiers from Rasmus Villemoes
   - use more common format specifier from Rasmus Villemoes
   - Destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
   - Destroy afu->contexts_idr on release of an afu from Johannes Thumshirn
   - Compile with -Werror from Daniel Axtens
   - EEH support from Daniel Axtens
   - Plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
   - Add alternate MMIO error handling from Ian Munsie
   - Allow release of contexts which have been OPENED but not STARTED from Andrew Donnellan
   - Remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
   - Release irqs if memory allocation fails from Vaibhav Jain
   - Remove racy attempt to force EEH invocation in reset from Daniel Axtens
   - Fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
   - Fix force unmapping mmaps of contexts allocated through the kernel api from Ian Munsie
   - Set up and enable PSL Timebase from Philippe Bergheaud
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Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
   from Benjamin Herrenschmidt

 - EEH fixes for SRIOV from Gavin

 - introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth

 - use hardware RNG for arch_get_random_seed_* not arch_get_random_*
   from Paul Mackerras

 - seccomp filter support from Michael Ellerman

 - opal_cec_reboot2() handling for HMIs & machine checks from Mahesh
   Salgaonkar

 - add powerpc timebase as a trace clock source from Naveen N.  Rao

 - misc cleanups in the xmon, signal & SLB code from Anshuman Khandual

 - add an inline function to update POWER8 HID0 from Gautham R.  Shenoy

 - fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman

 - drop support for 64K local store on 4K kernels from Michael Ellerman

 - move dma_get_required_mask() from pnv_phb to pci_controller_ops from
   Andrew Donnellan

 - initialize distance lookup table from drconf path from Nikunj A
   Dadhania

 - enable RTC class support from Vaibhav Jain

 - disable automatically blocked PCI config from Gavin Shan

 - add LEDs driver for PowerNV platform from Vasant Hegde

 - fix endianness issues in the HVSI driver from Laurent Dufour

 - kexec endian fixes from Samuel Mendoza-Jonas

 - fix corrupted pdn list from Gavin Shan

 - fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan

 - Freescale updates from Scott: Highlights include 32-bit memcpy/memset
   optimizations, checksum optimizations, 85xx config fragments and
   updates, device tree updates, e6500 fixes for non-SMP, and misc
   cleanup and minor fixes.

 - a ton of cxl updates & fixes:
    - add explicit precision specifiers from Rasmus Villemoes
    - use more common format specifier from Rasmus Villemoes
    - destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
    - destroy afu->contexts_idr on release of an afu from Johannes
      Thumshirn
    - compile with -Werror from Daniel Axtens
    - EEH support from Daniel Axtens
    - plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
    - add alternate MMIO error handling from Ian Munsie
    - allow release of contexts which have been OPENED but not STARTED
      from Andrew Donnellan
    - remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
    - release irqs if memory allocation fails from Vaibhav Jain
    - remove racy attempt to force EEH invocation in reset from Daniel
      Axtens
    - fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
    - fix force unmapping mmaps of contexts allocated through the kernel
      api from Ian Munsie
    - set up and enable PSL Timebase from Philippe Bergheaud

* tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (140 commits)
  cxl: Set up and enable PSL Timebase
  cxl: Fix force unmapping mmaps of contexts allocated through the kernel api
  cxl: Fix + cleanup error paths in cxl_dev_context_init
  powerpc/eeh: Fix fenced PHB caused by eeh_slot_error_detail()
  powerpc/pseries: Cleanup on pci_dn_reconfig_notifier()
  powerpc/pseries: Fix corrupted pdn list
  powerpc/powernv: Enable LEDS support
  powerpc/iommu: Set default DMA offset in dma_dev_setup
  cxl: Remove racy attempt to force EEH invocation in reset
  cxl: Release irqs if memory allocation fails
  cxl: Remove use of macro DEFINE_PCI_DEVICE_TABLE
  powerpc/powernv: Fix mis-merge of OPAL support for LEDS driver
  powerpc/powernv: Reset HILE before kexec_sequence()
  powerpc/kexec: Reset secondary cpu endianness before kexec
  powerpc/hvsi: Fix endianness issues in the HVSI driver
  leds/powernv: Add driver for PowerNV platform
  powerpc/powernv: Create LED platform device
  powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states
  powerpc/powernv: Fix the log message when disabling VF
  cxl: Allow release of contexts which have been OPENED but not STARTED
  ...
This commit is contained in:
Linus Torvalds 2015-09-03 16:41:38 -07:00
commit ff474e8ca8
146 changed files with 3560 additions and 1998 deletions
Download patch file Download diff file Expand all files Collapse all files

46
drivers/tty/hvc/hvsi.c
View file

@ -240,9 +240,9 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet,
{
struct hvsi_control *header = (struct hvsi_control *)packet;
switch (header->verb) {
switch (be16_to_cpu(header->verb)) {
case VSV_MODEM_CTL_UPDATE:
if ((header->word & HVSI_TSCD) == 0) {
if ((be32_to_cpu(header->word) & HVSI_TSCD) == 0) {
/* CD went away; no more connection */
pr_debug("hvsi%i: CD dropped\n", hp->index);
hp->mctrl &= TIOCM_CD;
@ -267,6 +267,7 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet,
static void hvsi_recv_response(struct hvsi_struct *hp, uint8_t *packet)
{
struct hvsi_query_response *resp = (struct hvsi_query_response *)packet;
uint32_t mctrl_word;
switch (hp->state) {
case HVSI_WAIT_FOR_VER_RESPONSE:
@ -274,9 +275,10 @@ static void hvsi_recv_response(struct hvsi_struct *hp, uint8_t *packet)
break;
case HVSI_WAIT_FOR_MCTRL_RESPONSE:
hp->mctrl = 0;
if (resp->u.mctrl_word & HVSI_TSDTR)
mctrl_word = be32_to_cpu(resp->u.mctrl_word);
if (mctrl_word & HVSI_TSDTR)
hp->mctrl |= TIOCM_DTR;
if (resp->u.mctrl_word & HVSI_TSCD)
if (mctrl_word & HVSI_TSCD)
hp->mctrl |= TIOCM_CD;
__set_state(hp, HVSI_OPEN);
break;
@ -295,10 +297,10 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno)
packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER;
packet.hdr.len = sizeof(struct hvsi_query_response);
packet.hdr.seqno = atomic_inc_return(&hp->seqno);
packet.verb = VSV_SEND_VERSION_NUMBER;
packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno));
packet.verb = cpu_to_be16(VSV_SEND_VERSION_NUMBER);
packet.u.version = HVSI_VERSION;
packet.query_seqno = query_seqno+1;
packet.query_seqno = cpu_to_be16(query_seqno+1);
pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len);
dbg_dump_hex((uint8_t*)&packet, packet.hdr.len);
@ -319,7 +321,7 @@ static void hvsi_recv_query(struct hvsi_struct *hp, uint8_t *packet)
switch (hp->state) {
case HVSI_WAIT_FOR_VER_QUERY:
hvsi_version_respond(hp, query->hdr.seqno);
hvsi_version_respond(hp, be16_to_cpu(query->hdr.seqno));
__set_state(hp, HVSI_OPEN);
break;
default:
@ -555,8 +557,8 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb)
packet.hdr.type = VS_QUERY_PACKET_HEADER;
packet.hdr.len = sizeof(struct hvsi_query);
packet.hdr.seqno = atomic_inc_return(&hp->seqno);
packet.verb = verb;
packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno));
packet.verb = cpu_to_be16(verb);
pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len);
dbg_dump_hex((uint8_t*)&packet, packet.hdr.len);
@ -596,14 +598,14 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl)
struct hvsi_control packet __ALIGNED__;
int wrote;
packet.hdr.type = VS_CONTROL_PACKET_HEADER,
packet.hdr.seqno = atomic_inc_return(&hp->seqno);
packet.hdr.type = VS_CONTROL_PACKET_HEADER;
packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno));
packet.hdr.len = sizeof(struct hvsi_control);
packet.verb = VSV_SET_MODEM_CTL;
packet.mask = HVSI_TSDTR;
packet.verb = cpu_to_be16(VSV_SET_MODEM_CTL);
packet.mask = cpu_to_be32(HVSI_TSDTR);
if (mctrl & TIOCM_DTR)
packet.word = HVSI_TSDTR;
packet.word = cpu_to_be32(HVSI_TSDTR);
pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len);
dbg_dump_hex((uint8_t*)&packet, packet.hdr.len);
@ -680,7 +682,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count)
BUG_ON(count > HVSI_MAX_OUTGOING_DATA);
packet.hdr.type = VS_DATA_PACKET_HEADER;
packet.hdr.seqno = atomic_inc_return(&hp->seqno);
packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno));
packet.hdr.len = count + sizeof(struct hvsi_header);
memcpy(&packet.data, buf, count);
@ -697,9 +699,9 @@ static void hvsi_close_protocol(struct hvsi_struct *hp)
struct hvsi_control packet __ALIGNED__;
packet.hdr.type = VS_CONTROL_PACKET_HEADER;
packet.hdr.seqno = atomic_inc_return(&hp->seqno);
packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno));
packet.hdr.len = 6;
packet.verb = VSV_CLOSE_PROTOCOL;
packet.verb = cpu_to_be16(VSV_CLOSE_PROTOCOL);
pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len);
dbg_dump_hex((uint8_t*)&packet, packet.hdr.len);
@ -1180,7 +1182,7 @@ static int __init hvsi_console_init(void)
/* search device tree for vty nodes */
for_each_compatible_node(vty, "serial", "hvterm-protocol") {
struct hvsi_struct *hp;
const uint32_t *vtermno, *irq;
const __be32 *vtermno, *irq;
vtermno = of_get_property(vty, "reg", NULL);
irq = of_get_property(vty, "interrupts", NULL);
@ -1202,11 +1204,11 @@ static int __init hvsi_console_init(void)
hp->index = hvsi_count;
hp->inbuf_end = hp->inbuf;
hp->state = HVSI_CLOSED;
hp->vtermno = *vtermno;
hp->virq = irq_create_mapping(NULL, irq[0]);
hp->vtermno = be32_to_cpup(vtermno);
hp->virq = irq_create_mapping(NULL, be32_to_cpup(irq));
if (hp->virq == 0) {
printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
__func__, irq[0]);
__func__, be32_to_cpup(irq));
tty_port_destroy(&hp->port);
continue;
}