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Date:   Thu, 21 Dec 2017 11:57:40 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] phy: core: Drop unused runtime PM APIs

On 21 December 2017 at 11:33, Yoshihiro Shimoda
<yoshihiro.shimoda.uh@...esas.com> wrote:
> Hi Ulf-san,
>
>> -----Original Message-----
>> From: Ulf Hansson, Sent: Wednesday, December 20, 2017 11:09 PM
> <snip>
>> diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
>> index b4298a1..050b620 100644
>> --- a/include/linux/phy/phy.h
>> +++ b/include/linux/phy/phy.h
>> @@ -17,7 +17,6 @@
>>  #include <linux/err.h>
>>  #include <linux/of.h>
>>  #include <linux/device.h>
>> -#include <linux/pm_runtime.h>
>
> After I applied this patch, some ata and gpu drivers causes build error [1].
> So, we should fix the drivers at first...

Huh, right, those drivers shouldn't be relying on the phy.h to include
pm_runtime.h.

The easiest way at this point is to just put back "#include
<linux/pm_runtime.h>" in phy.h, then we can deal with these problems
separately. I do that in a re-spin soon.

BTW, I would be great if you could test this on the Renesas SoC to
make sure it still fixes the problems (at least half of them I mean).

Thanks and kind regards
Uffe

>
> Best regards,
> Yoshihiro Shimoda
> ---
> [1]
> drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_resume':
> drivers/ata/ahci_qoriq.c:318:2: error: implicit declaration of function 'pm_runtime_disable' [-Werror=implicit-function-declaration]
>   pm_runtime_disable(dev);
>   ^
> drivers/ata/ahci_qoriq.c:319:2: error: implicit declaration of function 'pm_runtime_set_active' [-Werror=implicit-function-declaration]
>   pm_runtime_set_active(dev);
>   ^
> drivers/ata/ahci_qoriq.c:320:2: error: implicit declaration of function 'pm_runtime_enable' [-Werror=implicit-function-declaration]
>   pm_runtime_enable(dev);
>   ^
> drivers/ata/ahci.c: In function 'ahci_init_one':
> drivers/ata/ahci.c:1761:2: error: implicit declaration of function 'pm_runtime_put_noidle' [-Werror=implicit-function-declaration]
>   pm_runtime_put_noidle(&pdev->dev);
>   ^
> drivers/ata/ahci.c: In function 'ahci_remove_one':
> drivers/ata/ahci.c:1767:2: error: implicit declaration of function 'pm_runtime_get_noresume' [-Werror=implicit-function-declaration]
>   pm_runtime_get_noresume(&pdev->dev);
>   ^
> drivers/ata/libahci.c: In function 'ahci_rpm_get_port':
> drivers/ata/libahci.c:239:9: error: implicit declaration of function 'pm_runtime_get_sync' [-Werror=implicit-function-declaration]
>   return pm_runtime_get_sync(ap->dev);
>          ^
> drivers/ata/libahci.c: In function 'ahci_rpm_put_port':
> drivers/ata/libahci.c:251:2: error: implicit declaration of function 'pm_runtime_put' [-Werror=implicit-function-declaration]
>   pm_runtime_put(ap->dev);
>   ^
> drivers/ata/ahci_ceva.c: In function 'ceva_ahci_resume':
> drivers/ata/ahci_ceva.c:326:2: error: implicit declaration of function 'pm_runtime_disable' [-Werror=implicit-function-declaration]
>   pm_runtime_disable(dev);
>   ^
> drivers/ata/ahci_ceva.c:327:2: error: implicit declaration of function 'pm_runtime_set_active' [-Werror=implicit-function-declaration]
>   pm_runtime_set_active(dev);
>   ^
> drivers/ata/ahci_ceva.c:328:2: error: implicit declaration of function 'pm_runtime_enable' [-Werror=implicit-function-declaration]
>   pm_runtime_enable(dev);
>   ^
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/ata/ahci_qoriq.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/ata/ahci_ceva.o] Error 1
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/ata/ahci.o] Error 1
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c: In function 'analogix_dp_get_modes':
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:949:3: error: implicit declaration of function 'pm_runtime_get_sync' [-Werror=implicit-function-declaration]
>    pm_runtime_get_sync(dp->dev);
>    ^
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:951:3: error: implicit declaration of function 'pm_runtime_put' [-Werror=implicit-function-declaration]
>    pm_runtime_put(dp->dev);
>    ^
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c: In function 'analogix_dp_bridge_disable':
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1120:2: error: implicit declaration of function 'pm_runtime_put_sync' [-Werror=implicit-function-declaration]
>   pm_runtime_put_sync(dp->dev);
>   ^
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c: In function 'analogix_dp_bind':
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1387:2: error: implicit declaration of function 'pm_runtime_enable' [-Werror=implicit-function-declaration]
>   pm_runtime_enable(dev);
>   ^
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1431:2: error: implicit declaration of function 'pm_runtime_disable' [-Werror=implicit-function-declaration]
>   pm_runtime_disable(dev);
>   ^
> drivers/gpu/drm/exynos/exynos_drm_dsi.c: In function 'exynos_dsi_enable':
> drivers/gpu/drm/exynos/exynos_drm_dsi.c:1385:2: error: implicit declaration of function 'pm_runtime_get_sync' [-Werror=implicit-function-declaration]
>   pm_runtime_get_sync(dsi->dev);
>   ^
> drivers/gpu/drm/exynos/exynos_drm_dsi.c:1392:3: error: implicit declaration of function 'pm_runtime_put_sync' [-Werror=implicit-function-declaration]
>    pm_runtime_put_sync(dsi->dev);
>    ^
> drivers/gpu/drm/exynos/exynos_drm_dsi.c: In function 'exynos_dsi_probe':
> drivers/gpu/drm/exynos/exynos_drm_dsi.c:1797:2: error: implicit declaration of function 'pm_runtime_enable' [-Werror=implicit-function-declaration]
>   pm_runtime_enable(dev);
>   ^
> drivers/gpu/drm/exynos/exynos_drm_dsi.c: In function 'exynos_dsi_remove':
> drivers/gpu/drm/exynos/exynos_drm_dsi.c:1808:2: error: implicit declaration of function 'pm_runtime_disable' [-Werror=implicit-function-declaration]
>   pm_runtime_disable(&pdev->dev);
>   ^
> drivers/gpu/drm/rockchip/cdn-dp-core.c: In function 'cdn_dp_clk_enable':
> drivers/gpu/drm/rockchip/cdn-dp-core.c:111:8: error: implicit declaration of function 'pm_runtime_get_sync' [-Werror=implicit-function-declaration]
>   ret = pm_runtime_get_sync(dp->dev);
>         ^
> drivers/gpu/drm/rockchip/cdn-dp-core.c:137:2: error: implicit declaration of function 'pm_runtime_put' [-Werror=implicit-function-declaration]
>   pm_runtime_put(dp->dev);
>   ^
> drivers/gpu/drm/rockchip/cdn-dp-core.c: In function 'cdn_dp_clk_disable':
> drivers/gpu/drm/rockchip/cdn-dp-core.c:148:2: error: implicit declaration of function 'pm_runtime_put_sync' [-Werror=implicit-function-declaration]
>   pm_runtime_put_sync(dp->dev);
>   ^
> drivers/gpu/drm/rockchip/cdn-dp-core.c: In function 'cdn_dp_bind':
> drivers/gpu/drm/rockchip/cdn-dp-core.c:1094:2: error: implicit declaration of function 'pm_runtime_enable' [-Werror=implicit-function-declaration]
>   pm_runtime_enable(dev);
>   ^
> drivers/gpu/drm/rockchip/cdn-dp-core.c: In function 'cdn_dp_unbind':
> drivers/gpu/drm/rockchip/cdn-dp-core.c:1118:2: error: implicit declaration of function 'pm_runtime_disable' [-Werror=implicit-function-declaration]
>   pm_runtime_disable(dev);
>   ^
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/ata/libahci.o] Error 1
> make[1]: *** [drivers/ata] Error 2
> make[1]: *** Waiting for unfinished jobs....
> cc1: some warnings being treated as errors
> make[5]: *** [drivers/gpu/drm/bridge/analogix/analogix_dp_core.o] Error 1
> make[4]: *** [drivers/gpu/drm/bridge/analogix] Error 2
> make[3]: *** [drivers/gpu/drm/bridge] Error 2
> make[3]: *** Waiting for unfinished jobs....
> cc1: some warnings being treated as errors
> make[4]: *** [drivers/gpu/drm/exynos/exynos_drm_dsi.o] Error 1
> make[3]: *** [drivers/gpu/drm/exynos] Error 2
> cc1: some warnings being treated as errors
> make[4]: *** [drivers/gpu/drm/rockchip/cdn-dp-core.o] Error 1
> make[3]: *** [drivers/gpu/drm/rockchip] Error 2
> make[2]: *** [drivers/gpu/drm] Error 2
> make[1]: *** [drivers/gpu] Error 2
> make: *** [drivers] Error 2
>

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