kernel/git/stable/linux.git/drivers/rapidio/devices, branch linux-3.7.y

rapidio/tsi721: add inbound memory mapping callbacks

2012-10-05T18:05:21+00:00

Add Tsi721 routines to support RapidIO subsystem's inbound memory mapping interface (RapidIO to system's local memory). Signed-off-by: Alexandre Bounine Cc: Matt Porter Cc: Li Yang Cc: Kumar Gala Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

drivers/rapidio/devices/tsi721.c: fix error return code

2012-10-05T18:05:20+00:00

Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Peter Senna Tschudin Acked-by: Alexandre Bounine Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rapidio/tsi721: modify mport name assignment

2012-10-05T18:05:20+00:00

Modify RapidIO mport device name assignment to include device name of PCIe side of Tsi721 bridge. The new name format is intended to provide definitive reference between RapidIO and PCIe sides of the bridge in systems with multiple Tsi721 bridges. Signed-off-by: Alexandre Bounine Cc: Matt Porter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Merge commit 'v3.6-rc5' into next

2012-09-13T14:41:01+00:00

* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c

rapdio/tsi721: Use PCI Express Capability accessors

2012-08-23T16:11:16+00:00

Use PCI Express Capability access functions to simplify tsi721 driver. [bhelgaas: use word (16-bit) accesses for PCI_EXP_DEVCTL, PCI_EXP_DEVCTL2] Signed-off-by: Jiang Liu Signed-off-by: Bjorn Helgaas Acked-by: Alexandre Bounine

rapidio/tsi721: fix unused variable compiler warning

2012-08-21T23:45:03+00:00

Fix unused variable compiler warning when built with CONFIG_RAPIDIO_DEBUG option off. This patch is applicable to kernel versions starting from v3.2 Signed-off-by: Alexandre Bounine Cc: Matt Porter Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rapidio/tsi721: fix inbound doorbell interrupt handling

2012-08-21T23:45:03+00:00

Make sure that there is no doorbell messages left behind due to disabled interrupts during inbound doorbell processing. The most common case for this bug is loss of rionet JOIN messages in systems with three or more rionet participants and MSI or MSI-X enabled. As result, requests for packet transfers may finish with "destination unreachable" error message. This patch is applicable to kernel versions starting from v3.2. Signed-off-by: Alexandre Bounine Cc: Matt Porter Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rapidio/tsi721: add DMA engine support

2012-06-01T00:49:31+00:00

Adds support for DMA Engine API into Tsi721 mport driver. Includes following changes for Tsi721 driver: - Modifies BDMA register offset definitions to support per-channel handling - Separates BDMA channel reserved for RIO Maintenance requests - Adds DMA Engine callback routines Signed-off-by: Alexandre Bounine Cc: Dan Williams Cc: Vinod Koul Cc: Li Yang Cc: Matt Porter Cc: Paul Gortmaker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rapidio/tsi721: fix bug in register offset definitions

2012-03-16T00:03:03+00:00

Fix indexed register offset definitions that use decimal (wrong) instead of hexadecimal (correct) notation for indexing multipliers. Incorrect definitions do not affect Tsi721 driver in its current default configuration because it uses only IDB queue 0. Loss of inbound doorbell functionality should be observed if queue other than 0 is used. Signed-off-by: Alexandre Bounine Cc: Matt Porter Cc: Chul Kim Cc: [3.2+] Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

rapidio/tsi721: fix queue wrapping bug in inbound doorbell handler

2012-03-05T23:49:43+00:00

Fix a bug that causes a kernel panic when the number of received doorbells is larger than number of entries in the inbound doorbell queue (current default value = 512). Another possible indication for this bug is large number of spurious doorbells reported by tsi721 driver after reaching the queue size maximum. Signed-off-by: Alexandre Bounine Cc: Chul Kim Cc: Matt Porter Cc: [3.2.x+] Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds