From: Michal Simek <michal.simek@xilinx.com>
To: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>,
<linux-i2c@vger.kernel.org>
Cc: <michal.simek@xilinx.com>, <git@xilinx.com>
Subject: Re: [PATCH 3/4] i2c: xiic: Correct the datatype for rx_watermark
Date: Thu, 21 Apr 2022 10:50:32 +0200 [thread overview]
Message-ID: <29058bda-e040-2b69-7dd1-33e52ba431c5@xilinx.com> (raw)
In-Reply-To: <20220420075924.14546-4-shubhrajyoti.datta@xilinx.com>
On 4/20/22 09:59, Shubhrajyoti Datta wrote:
> The message length data type should be u16 as per the i2c_msg structure
>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
> ---
> drivers/i2c/busses/i2c-xiic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
> index 16a7e3164e68..eb4d34e7c0fe 100644
> --- a/drivers/i2c/busses/i2c-xiic.c
> +++ b/drivers/i2c/busses/i2c-xiic.c
> @@ -576,7 +576,7 @@ static int xiic_busy(struct xiic_i2c *i2c)
>
> static void xiic_start_recv(struct xiic_i2c *i2c)
> {
> - u8 rx_watermark;
> + u16 rx_watermark;
> struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
>
> /* Clear and enable Rx full interrupt. */
xiic_setreg8(struct xiic_i2c *i2c, int reg, u8 value) has u8 value it means I
would expect you will also recast it.
Value can't be more then IIC_RX_FIFO_DEPTH anyway that's why it shouldn't be a
problem.
xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, (u8)(rx_watermark - 1));
Thanks,
Michal
next prev parent reply other threads:[~2022-04-21 8:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-20 7:59 [PATCH 0/4] i2c: xiic: misc fixes Shubhrajyoti Datta
2022-04-20 7:59 ` [PATCH 1/4] i2c-xiic: return value of xiic_reinit Shubhrajyoti Datta
2022-04-21 8:46 ` Michal Simek
2022-05-14 14:03 ` Wolfram Sang
2022-04-20 7:59 ` [PATCH 2/4] i2c: xiic: Fix coding style issues Shubhrajyoti Datta
2022-05-14 14:03 ` Wolfram Sang
2022-04-20 7:59 ` [PATCH 3/4] i2c: xiic: Correct the datatype for rx_watermark Shubhrajyoti Datta
2022-04-21 8:50 ` Michal Simek [this message]
2022-05-14 14:04 ` Wolfram Sang
2022-04-20 7:59 ` [PATCH 4/4] i2c: xiic: Fix Tx Interrupt path for grouped messages Shubhrajyoti Datta
2022-04-21 8:51 ` Michal Simek
2022-05-14 14:04 ` Wolfram Sang
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