Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1386876

Re: [PATCH 1/2] tty: serial: msm_serial regression fix data corruption

From Stephen Boyd <sboyd@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] tty: serial: msm_serial regression fix data corruption
Date 2016-04-25 22:50 +0200
Message-ID <rrVCa-3B8-13@gated-at.bofh.it> (permalink)
References <rr9nP-6Ka-15@gated-at.bofh.it> <rr9nP-6Ka-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 04/23, Frank Rowand wrote:
> From: Frank Rowand <frank.rowand@am.sony.com>
> 
> Commit 3a878c430fd6 ("tty: serial: msm: Add TX DMA support") regression.
> The calculation of tx_count was moved from the old msm_handle_tx(),
> now renamed msm_handle_tx_pio(), to the new msm_handle_tx().  The
> move left out one size test.
> 
> The regression seen on the qcom-apq8074-dragonboard is dropped
> characters and corrupted characters (values greater than 0x7f)
> when DMA is not enabled.
> 
> Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
> Cc: stable@vger.kernel.org
> ---

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

Thanks for finding this!

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 1/2] tty: serial: msm_serial regression fix data corruption Frank Rowand <frowand.list@gmail.com> - 2016-04-23 19:20 +0200
  Re: [PATCH 1/2] tty: serial: msm_serial regression fix data  corruption Stephen Boyd <sboyd@codeaurora.org> - 2016-04-25 22:50 +0200
  Re: [PATCH 1/2] tty: serial: msm_serial regression fix data  corruption Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-04-26 00:40 +0200

csiph-web