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SubjectRe: [PATCH 1/2] accep/ivpu: PM: remove broken ivpu_dbg() statements
On Thu, Jan 26, 2023 at 05:37:54PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> When CONFIG_PM is disabled, the driver fails to build:
>
> drivers/accel/ivpu/ivpu_pm.c: In function 'ivpu_rpm_get':
> drivers/accel/ivpu/ivpu_pm.c:240:84: error: 'struct dev_pm_info' has no member named 'usage_count'
> 240 | ivpu_dbg(vdev, RPM, "rpm_get count %d\n", atomic_read(&vdev->drm.dev->power.usage_count));
> | ^
> include/linux/dynamic_debug.h:223:29: note: in definition of macro '__dynamic_func_call_cls'
> 223 | func(&id, ##__VA_ARGS__); \
> | ^~~~~~~~~~~
> include/linux/dynamic_debug.h:249:9: note: in expansion of macro '_dynamic_func_call_cls'
> 249 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
> | ^~~~~~~~~~~~~~~~~~~~~~
> include/linux/dynamic_debug.h:272:9: note: in expansion of macro '_dynamic_func_call'
> 272 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
> | ^~~~~~~~~~~~~~~~~~
> include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg'
> 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
> | ^~~~~~~~~~~~~~~
> drivers/accel/ivpu/ivpu_drv.h:65:17: note: in expansion of macro 'dev_dbg'
> 65 | dev_dbg((vdev)->drm.dev, "[%s] " fmt, #type, ##args); \
> | ^~~~~~~
> drivers/accel/ivpu/ivpu_pm.c:240:9: note: in expansion of macro 'ivpu_dbg'
> 240 | ivpu_dbg(vdev, RPM, "rpm_get count %d\n", atomic_read(&vdev->drm.dev->power.usage_count));
> | ^~~~~~~~
>
> It would be possible to rework these statements to only conditionally print
> the reference counter, or to make the driver depend on CONFIG_PM, but my
> impression is that these are not actually needed at all if the driver generally
> works, or they could be put back when required. Just remove all four of these
> to make the driver build in all configurations.
>
> Fixes: 852be13f3bd3 ("accel/ivpu: Add PM support")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>

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