diff options
author | Olof Johansson <olof@lixom.net> | 2013-04-14 20:53:45 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2013-04-14 20:53:53 -0700 |
commit | 6e527d000f7e49a66618dd98c30e6b8711e91de5 (patch) | |
tree | 8ea938c7d99de4bd3bcba1a8b13297f953acfe37 /arch | |
parent | af073c34f3877c6a1e1bc6e820688f6c0084b3d3 (diff) | |
parent | 73a8c28f167c9e7bc42eafc0bcbd298031709430 (diff) |
Merge tag 'msm-fix-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/fixes-non-critical
From David Brown:
Some minor fixes for MSM for 3.10
- Fix a timer problem that causes missed ticks and hangs.
- Fix a problem with the decompressor UART dropping characters.
* tag 'msm-fix-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
ARM: msm: Fix uncompess.h tx underrun check
ARM: msm: Stop counting before reprogramming clockevent
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-msm/include/mach/uncompress.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-msm/timer.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-msm/include/mach/uncompress.h b/arch/arm/mach-msm/include/mach/uncompress.h index fa97a10d869..94324870fb0 100644 --- a/arch/arm/mach-msm/include/mach/uncompress.h +++ b/arch/arm/mach-msm/include/mach/uncompress.h @@ -37,7 +37,7 @@ static void putc(int c) * Wait for TX_READY to be set; but skip it if we have a * TX underrun. */ - if (UART_DM_SR & 0x08) + if (!(UART_DM_SR & 0x08)) while (!(UART_DM_ISR & 0x80)) cpu_relax(); diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 2969027f02f..f9fd77e8f1f 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -62,7 +62,10 @@ static int msm_timer_set_next_event(unsigned long cycles, { u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE); - writel_relaxed(0, event_base + TIMER_CLEAR); + ctrl &= ~TIMER_ENABLE_EN; + writel_relaxed(ctrl, event_base + TIMER_ENABLE); + + writel_relaxed(ctrl, event_base + TIMER_CLEAR); writel_relaxed(cycles, event_base + TIMER_MATCH_VAL); writel_relaxed(ctrl | TIMER_ENABLE_EN, event_base + TIMER_ENABLE); return 0; |