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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:37:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:37:22 -0700 |
| commit | 1d3c6ff44ad4b5f113602e153026a338f0f9b3ff (patch) | |
| tree | 1e1f2932634fc6d0e4acfe68496c1c727b83a13e /drivers/usb | |
| parent | 7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (diff) | |
| parent | 717e7c2672e37253a4d3aa70e4716b5b0a658761 (diff) | |
| download | linux-3.10-1d3c6ff44ad4b5f113602e153026a338f0f9b3ff.tar.gz linux-3.10-1d3c6ff44ad4b5f113602e153026a338f0f9b3ff.tar.bz2 linux-3.10-1d3c6ff44ad4b5f113602e153026a338f0f9b3ff.zip | |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (224 commits)
ARM: remove 'select GENERIC_TIME'
ARM: 6136/1: ARCH_REQUIRE_GPIOLIB selects GENERIC_GPIO
ARM: 6074/1: oprofile: convert from sysdev to platform device
ARM: 6073/1: oprofile: remove old files and update KConfig
ARM: 6072/1: oprofile: use perf-events framework as backend
ARM: 6071/1: perf-events: allow modules to query the number of hardware counters
ARM: 6070/1: perf-events: add support for xscale PMUs
ARM: 6069/1: perf-events: use numeric ID to identify PMU
ARM: 6064/1: pmu: register IRQs at runtime
ARM: Optionally allow ARMv6 to use 'normal, bufferable' memory for DMA
ARM: 6134/1: Handle instruction cache maintenance fault properly
ARM: nwfpe: allow debugging output to be configured at runtime
ARM: rename mach_cpu_disable() to platform_cpu_disable()
ARM: 6132/1: PL330: Add common core driver
ARM: 6094/1: Extend cache-l2x0 to support the 16-way PL310
ARM: Move memory mapping into mmu.c
ARM: Ensure meminfo is sorted prior to sanity_check_meminfo
ARM: Remove useless linux/bootmem.h includes
ARM: convert /proc/cpu/aligment to seq_file
arm: use asm-generic/scatterlist.h
...
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index df1bae9b048..eaa79c8a9b8 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -366,6 +366,13 @@ rescan: if (is_done) done(ep, req, 0); else if (ep->is_pingpong) { + /* + * One dummy read to delay the code because of a HW glitch: + * CSR returns bad RXCOUNT when read too soon after updating + * RX_DATA_BK flags. + */ + csr = __raw_readl(creg); + bufferspace -= count; buf += count; goto rescan; |