From: "Sricharan" <sricharan@codeaurora.org>
To: "'Wolfram Sang'" <wsa@the-dreams.de>
Cc: <devicetree@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<agross@codeaurora.org>, <linux-kernel@vger.kernel.org>,
<linux-i2c@vger.kernel.org>, <iivanov@mm-sol.com>,
<galak@codeaurora.org>, <dmaengine@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <andy.gross@linaro.org>,
<ntelkar@codeaurora.org>, <architt@codeaurora.org>
Subject: RE: [PATCH V7 4/6] i2c: qup: Add bam dma capabilities
Date: Sat, 13 Feb 2016 12:28:50 +0530 [thread overview]
Message-ID: <002e01d1662c$0579d640$106d82c0$@codeaurora.org> (raw)
In-Reply-To: <20160212183737.GA1520@katana>
Hi Wolfram,
> -----Original Message-----
> From: Wolfram Sang [mailto:wsa@the-dreams.de]
> Sent: Saturday, February 13, 2016 12:08 AM
> To: Sricharan R
> Cc: devicetree@vger.kernel.org; linux-arm-msm@vger.kernel.org;
> agross@codeaurora.org; linux-kernel@vger.kernel.org; linux-
> i2c@vger.kernel.org; iivanov@mm-sol.com; galak@codeaurora.org;
> dmaengine@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> andy.gross@linaro.org; ntelkar@codeaurora.org; architt@codeaurora.org
> Subject: Re: [PATCH V7 4/6] i2c: qup: Add bam dma capabilities
>
> On Tue, Jan 19, 2016 at 03:32:44PM +0530, Sricharan R wrote:
> > QUP cores can be attached to a BAM module, which acts as a dma engine
> > for the QUP core. When DMA with BAM is enabled, the BAM consumer
> pipe
> > transmitted data is written to the output FIFO and the BAM producer
> > pipe received data is read from the input FIFO.
> >
> > With BAM capabilities, qup-i2c core can transfer more than
> > 256 bytes, without a 'stop' which is not possible otherwise.
> >
> > Signed-off-by: Sricharan R <sricharan@codeaurora.org>
> > Reviewed-by: Andy Gross <andy.gross@linaro.org>
> > Tested-by: Archit Taneja <architt@codeaurora.org>
> > Tested-by: Telkar Nagender <ntelkar@codeaurora.org>
>
> My code checkers found some issues:
>
> SPARSE
> drivers/i2c/busses/i2c-qup.c:555:6: warning: symbol 'qup_sg_set_buf' was
> not declared. Should it be static?
> drivers/i2c/busses/i2c-qup.c:1243:50: warning: dubious: !x & !y
> SMATCH
> drivers/i2c/busses/i2c-qup.c:165 qup_sg_set_buf warn: unused return: s =
> sg_next()
> drivers/i2c/busses/i2c-qup.c:165 qup_sg_set_buf warn: unused return: s =
> sg_next()
> drivers/i2c/busses/i2c-qup.c:1243 qup_i2c_xfer_v2() warn: add some
> parenthesis here?
> CPPCHECK
> drivers/i2c/busses/i2c-qup.c:1243: style: Boolean result is used in
bitwise
> operation. Clarify expression with parentheses.
> SPATCH
> drivers/i2c/busses/i2c-qup.c:1380:2-13: WARNING: Assignment of bool to 0/1
> drivers/i2c/busses/i2c-qup.c:1481:1-13: WARNING: Assignment of bool to 0/1
> CC drivers/i2c/busses/i2c-qup.o
> drivers/i2c/busses/i2c-qup.c:555:6: warning: no previous prototype for
> 'qup_sg_set_buf' [-Wmissing-prototypes] void qup_sg_set_buf(struct
> scatterlist *sg, void *buf, struct qup_i2c_tag *tg,
>
> Can you fix them and resend??
Sorry on this , will resend this patch.
Regards,
Sricharan
next prev parent reply other threads:[~2016-02-13 6:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-19 10:02 [PATCH V7 0/6] i2c: qup: Add support for v2 tags and bam dma Sricharan R
2016-01-19 10:02 ` [PATCH V7 1/6] i2c: qup: Change qup_wait_writeready function to use for all timeouts Sricharan R
2016-02-12 18:37 ` Wolfram Sang
2016-01-19 10:02 ` [PATCH V7 2/6] i2c: qup: Add V2 tags support Sricharan R
2016-02-12 18:37 ` Wolfram Sang
2016-01-19 10:02 ` [PATCH V7 3/6] i2c: qup: Transfer each i2c_msg in i2c_msgs without a stop bit Sricharan R
2016-01-24 11:29 ` Wolfram Sang
2016-01-28 4:57 ` Sricharan
2016-02-04 20:09 ` Wolfram Sang
2016-02-05 8:00 ` Sricharan
2016-02-12 18:38 ` Wolfram Sang
2016-01-19 10:02 ` [PATCH V7 4/6] i2c: qup: Add bam dma capabilities Sricharan R
2016-02-12 18:37 ` Wolfram Sang
2016-02-12 18:42 ` Wolfram Sang
2016-02-13 6:58 ` Sricharan [this message]
2016-02-22 12:24 ` Sricharan
2016-02-22 12:32 ` Wolfram Sang
2016-02-22 13:41 ` Sricharan
2016-01-19 10:02 ` [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node Sricharan R
2016-03-25 23:17 ` Bjorn Andersson
2016-03-26 2:26 ` Andy Gross
2016-03-28 12:59 ` Sricharan
2016-01-19 10:02 ` [PATCH V7 6/6] dts: msm8974: Add dma channels for blsp2_i2c1 node Sricharan R
2016-01-19 10:14 ` [PATCH V7 0/6] i2c: qup: Add support for v2 tags and bam dma Sricharan
2016-01-24 11:33 ` Wolfram Sang
2016-01-28 5:27 ` Sricharan
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