From: Wolfram Sang <wsa@the-dreams.de>
To: Jaedon Shin <jaedon.shin@gmail.com>
Cc: Kamal Dasu <kdasu.kdev@gmail.com>,
Ralf Baechle <ralf@linux-mips.org>,
Florian Fainelli <f.fainelli@gmail.com>,
linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
linux-mips@linux-mips.org
Subject: Re: [PATCH 4/9] i2c: brcmstb: enable ACK condition
Date: Mon, 30 Nov 2015 16:37:12 +0100 [thread overview]
Message-ID: <20151130153712.GO1513@katana> (raw)
In-Reply-To: <1445395021-4204-5-git-send-email-jaedon.shin@gmail.com>
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On Wed, Oct 21, 2015 at 11:36:56AM +0900, Jaedon Shin wrote:
> Removes the condition of a message with under 32 bytes in length. The
> messages that do not require an ACK are I2C_M_IGNORE_NAK flag.
Makes me wonder why it worked before? Kamal?
>
> Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
> ---
> drivers/i2c/busses/i2c-brcmstb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
> index 2d7d155029dc..53eb8b0c9bad 100644
> --- a/drivers/i2c/busses/i2c-brcmstb.c
> +++ b/drivers/i2c/busses/i2c-brcmstb.c
> @@ -330,7 +330,7 @@ static int brcmstb_i2c_xfer_bsc_data(struct brcmstb_i2c_dev *dev,
> int no_ack = pmsg->flags & I2C_M_IGNORE_NAK;
>
> /* see if the transaction needs to check NACK conditions */
> - if (no_ack || len <= N_DATA_BYTES) {
> + if (no_ack) {
> cmd = (pmsg->flags & I2C_M_RD) ? CMD_RD_NOACK
> : CMD_WR_NOACK;
> pi2creg->ctlhi_reg |= BSC_CTLHI_REG_IGNORE_ACK_MASK;
> --
> 2.6.1
>
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next prev parent reply other threads:[~2015-11-30 15:37 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 2:36 [PATCH 0/9] i2c: brcmstb: add support for BMIPS_GENERIC Jaedon Shin
2015-10-21 2:36 ` [PATCH 1/9] i2c: brcmstb: make the driver buildable on BMIPS_GENERIC Jaedon Shin
2015-10-22 1:56 ` Florian Fainelli
2015-10-21 2:36 ` [PATCH 3/9] i2c: brcmstb: add missing parenthesis Jaedon Shin
2015-10-22 1:56 ` Florian Fainelli
2015-11-30 15:36 ` Wolfram Sang
2015-10-21 2:36 ` [PATCH 4/9] i2c: brcmstb: enable ACK condition Jaedon Shin
2015-11-30 15:37 ` Wolfram Sang [this message]
[not found] ` <1445395021-4204-1-git-send-email-jaedon.shin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-10-21 2:36 ` [PATCH 2/9] i2c: brcmstb: fix typo in i2c-brcmstb Jaedon Shin
2015-10-22 1:56 ` Florian Fainelli
2015-10-21 2:36 ` [PATCH 5/9] i2c: brcmstb: fix start and stop conditions Jaedon Shin
2015-11-30 15:41 ` Wolfram Sang
2015-10-21 2:36 ` [PATCH 6/9] MIPS: BMIPS: brcmstb: add I2C node for bcm7346 Jaedon Shin
[not found] ` <1445395021-4204-7-git-send-email-jaedon.shin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-10-22 1:57 ` Florian Fainelli
2015-10-21 2:36 ` [PATCH 7/9] MIPS: BMIPS: brcmstb: add I2C node for bcm7358 Jaedon Shin
2015-10-22 1:57 ` Florian Fainelli
2015-10-21 2:37 ` [PATCH 8/9] MIPS: BMIPS: brcmstb: add I2C node for bcm7360 Jaedon Shin
2015-10-22 1:57 ` Florian Fainelli
2015-10-21 2:37 ` [PATCH 9/9] MIPS: BMIPS: brcmstb: add I2C node for bcm7362 Jaedon Shin
2015-10-22 1:57 ` Florian Fainelli
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