lkml.org 
[lkml]   [2018]   [Dec]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/3] i2c-axxia: support sequence command mode
Hi,

> +static void axxia_i2c_handle_seq_nak(struct axxia_i2c_dev *idev)
> +{
> + while (readl(idev->base + MST_COMMAND) & CMD_BUSY)
> + udelay(100);
> +}

My code checkers rightfully complain about this:

CHECKPATCH
CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt

SMATCH
drivers/i2c/busses/i2c-axxia.c:382 axxia_i2c_handle_seq_nak() warn: this loop depends on readl() succeeding

(and I get those as well, but not related to your patch; still while I am here)

GCC
drivers/i2c/busses/i2c-axxia.c:98: warning: cannot understand function prototype: 'struct axxia_i2c_dev '
drivers/i2c/busses/i2c-axxia.c:130: warning: Function parameter or member 'ns' not described in 'ns_to_clk'
drivers/i2c/busses/i2c-axxia.c:130: warning: Function parameter or member 'clk_mhz' not described in 'ns_to_clk'
drivers/i2c/busses/i2c-axxia.c:229: warning: Function parameter or member 'idev' not described in 'axxia_i2c_empty_rx_fifo'
drivers/i2c/busses/i2c-axxia.c:261: warning: Function parameter or member 'idev' not described in 'axxia_i2c_fill_tx_fifo'

Also, for $subject, please change the prefix to "i2c: axxia:"

Thanks,

Wolfram

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2018-12-11 21:04    [W:0.098 / U:0.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site