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Message-ID: <ZCDc0zPtPSyDgOaF@fedora>
Date: Sun, 26 Mar 2023 20:01:23 -0400
From: William Breathitt Gray <william.gray@...aro.org>
To: Johannes Berg <johannes.berg@...el.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Al Viro <viro@...iv.linux.org.uk>
Cc: linux-iio@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] counter: 104-quad-8: Refactor to buffer states
for CMR, IOR, and IDR
On Fri, Mar 24, 2023 at 11:35:02AM -0400, William Breathitt Gray wrote:
> There are eight calls to quad8_control_register_update() in 104-quad-8:
>
> quad8_control_register_update(priv, priv->idr, id, DISABLE_INDEX_MODE, INDEX_MODE);
> quad8_control_register_update(priv, priv->cmr, id, mode_cfg, QUADRATURE_MODE);
> quad8_control_register_update(priv, priv->ior, event_node->channel, flg_pins, FLG_PINS);
> quad8_control_register_update(priv, priv->idr, channel_id, index_polarity, INDEX_POLARITY);
> quad8_control_register_update(priv, priv->idr, channel_id, synchronous_mode, INDEX_MODE);
> quad8_control_register_update(priv, priv->cmr, count->id, count_mode, COUNT_MODE);
> quad8_control_register_update(priv, priv->ior, count->id, enable, AB_GATE);
> quad8_control_register_update(priv, priv->ior, count->id, !preset_enable, LOAD_PIN);
I attempted the cross-compiling using an x86-64 system and I was able to
recreate the build error. I tried to isolate the problem line by
commenting out quad8_control_register_update() calls and discover that
this appears to be an inline issue after all: if there are more than six
calls to quad8_control_register_update() are in the code, then the
'__bad_mask' build error occurs.
The build error doesn't occur if I force the inline via __always_inline,
so I'll add that to quad8_control_register_update() to resolve this
issue and submit a v3 patchset later this week.
William Breathitt Gray
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