From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@st.com (Viresh Kumar) Date: Tue, 17 Jan 2012 15:49:41 +0530 Subject: [PATCH 8/8] dmaengine/dw_dmac: Add support for DMA_SLAVE_CONFIG In-Reply-To: <4F153C33.5060805@st.com> References: <7c1e6fd573d5cd348b22f8363c9960fe5efcd658.1326707233.git.viresh.kumar@st.com> <4F140D25.1000309@st.com> <4F153C33.5060805@st.com> Message-ID: <4F154B3D.7050705@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 ? >> > >> > 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