From: viresh.kumar@st.com (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 8/8] dmaengine/dw_dmac: Add support for DMA_SLAVE_CONFIG
Date: Tue, 17 Jan 2012 15:49:41 +0530 [thread overview]
Message-ID: <4F154B3D.7050705@st.com> (raw)
In-Reply-To: <4F153C33.5060805@st.com>
On 1/17/2012 2:45 PM, Viresh Kumar wrote:
> On 1/17/2012 2:19 PM, Linus Walleij wrote:
>> > Are you looking for ffs() from <linus/bitops.h>?
>> >
>> > find-first-set (the include boils down to include/asm-generic/bitops/ffs.h
>> > if you want to check the implementation).
> Thanks, but it might not solve the issue. :(
> Actually this will retain the first Least Significant Bit (which is 1)
> and will mark all other zero. So it will give output 0b10 for 0b110
>
Oops!! I didn't looked at fls in the implementation. :(
You are right. This will solve my issue.
--
viresh
next prev parent reply other threads:[~2012-01-17 10:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-16 9:50 [PATCH 0/9] dmaengine: Pl08x and dw_dmac updates Viresh Kumar
2012-01-16 9:50 ` [PATCH 1/8] dmaengine/dw_dmac: Hibernation support in dw_dmac Viresh Kumar
2012-01-16 9:50 ` [PATCH 2/8] dmaengine: Add flow controller information to dma_slave_config Viresh Kumar
2012-01-17 8:37 ` Linus Walleij
2012-01-17 9:07 ` Viresh Kumar
2012-01-18 10:36 ` Linus Walleij
2012-01-18 10:40 ` Viresh Kumar
2012-01-16 9:50 ` [PATCH 3/8] dmaengine/amba-pl08x: Take flow controller info from DMA_SLAVE_CONFIG Viresh Kumar
2012-01-16 9:50 ` [PATCH 4/8] dmaengine/dw_dmac: Don't use magic number for total number of channels Viresh Kumar
2012-01-16 9:50 ` [PATCH 5/8] dmaengine/dw_dmac: Use platform_get_drvdata instead of accessing dev directly Viresh Kumar
2012-01-16 10:47 ` Sergei Shtylyov
2012-01-16 10:52 ` Viresh Kumar
2012-01-16 9:50 ` [PATCH 6/8] dmaengine/dw_dmac: Don't handle block interrupts Viresh Kumar
2012-01-16 9:50 ` [PATCH 7/8] dmaengine/dw_dmac: Unmap all memory buffers after completion of slave transfers Viresh Kumar
2012-01-16 10:54 ` Russell King - ARM Linux
2012-01-16 11:44 ` Viresh Kumar
2012-01-17 8:52 ` Linus Walleij
2012-01-17 9:07 ` Viresh Kumar
2012-01-18 9:35 ` Russell King - ARM Linux
2012-01-19 17:34 ` Linus Walleij
2012-01-16 9:50 ` [PATCH 8/8] dmaengine/dw_dmac: Add support for DMA_SLAVE_CONFIG Viresh Kumar
2012-01-16 11:42 ` Viresh Kumar
2012-01-17 8:49 ` Linus Walleij
2012-01-17 9:15 ` Viresh Kumar
2012-01-17 9:19 ` Viresh Kumar
2012-01-17 10:19 ` Viresh Kumar [this message]
2012-01-17 10:10 ` Jassi Brar
2012-01-17 10:19 ` Viresh Kumar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F154B3D.7050705@st.com \
--to=viresh.kumar@st.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).