From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752774AbcL2OEc (ORCPT ); Thu, 29 Dec 2016 09:04:32 -0500 Received: from mail-pf0-f194.google.com ([209.85.192.194]:36200 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752311AbcL2OEb (ORCPT ); Thu, 29 Dec 2016 09:04:31 -0500 Subject: Re: [PATCH] Revert "mmc: dw_mmc-rockchip: add runtime PM support" To: ayaka , Shawn Lin , linux-mmc@vger.kernel.org References: <1482939288-14950-1-git-send-email-ayaka@soulik.info> <7e37b8ad-39d0-3a94-f75a-2166ae2caf10@samsung.com> <7fb90b9e-75c3-0184-4f0a-d4113899b860@rock-chips.com> <04b667d9-2591-51ff-e024-047bbb6e17c3@rock-chips.com> <6ccade72-ae20-2ffa-1504-2536b9f03adf@soulik.info> Cc: Randy Li , Jaehoon Chung , ulf.hansson@linaro.org, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, xzy.xu@rock-chips.com From: Jaehoon Chung Message-ID: <95648282-38f5-42c2-fd8b-ab603eb3a168@gmail.com> Date: Thu, 29 Dec 2016 23:04:24 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <6ccade72-ae20-2ffa-1504-2536b9f03adf@soulik.info> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 12/29/2016 09:55 PM, ayaka wrote: > [ 5.849733] rk_gmac-dwmac ff290000.ethernet (unnamed net_device) (uninitialized): Enable RX Mitigation via HW Watchdog Timer > [ 5.944512] mmc_host mmc1: Bus speed (slot 0) = 50000000Hz (slot req 50000000Hz, actual 50000000HZ div = 0) > [ 5.958249] mmc1: new ultra high speed DDR50 SDIO card at address 0001 > [ 6.294548] dwmmc_rockchip ff0f0000.dwmmc: Successfully tuned phase to 177 > [ 6.301591] mmc2: new HS200 MMC card at address 0001 > [ 6.306758] mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0) > [ 6.316830] mmcblk2: mmc2:0001 AGND3R 14.6 GiB > [ 6.321881] mmcblk2boot0: mmc2:0001 AGND3R partition 1 4.00 MiB > [ 6.328331] mmcblk2boot1: mmc2:0001 AGND3R partition 2 4.00 MiB > [ 6.334792] mmcblk2rpmb: mmc2:0001 AGND3R partition 3 4.00 MiB > [ 6.344295] mmcblk2: p1 p2 p3 p4 p5 p6 p7 > [ 6.469892] mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0) > [ 6.621888] mmc_host mmc0: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1) > [ 6.917883] libphy: stmmac: probed > [ 6.921319] rk_gmac-dwmac ff290000.ethernet eth0: PHY ID 001cc915 at 0 IRQ POLL (stmmac-0:00) active > [ 6.930476] rk_gmac-dwmac ff290000.ethernet eth0: PHY ID 001cc915 at 2 IRQ POLL (stmmac-0:02) > [ 6.939757] input: gpio-keys as /devices/platform/gpio-keys/input/input0 > [ 6.946937] rtc-hym8563 0-0051: no valid clock/calendar values available > [ 6.953694] rtc-hym8563 0-0051: hctosys: unable to read the hardware clock > [ 6.961262] vcc_sd: disabling > [ 6.964275] dovdd_1v8: disabling > [ 6.967527] dvdd_1v2: disabling > [ 6.971006] vdd10_lcd: disabling > [ 6.974701] vcc18_lcd: disabling > [ 6.978467] ttyS2 - failed to request DMA > [ 7.101883] mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0) > [ 7.253874] mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0) > [ 7.405883] mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0) > [ 7.557885] mmc_host mmc0: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1) > [ 8.037872] mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0) > [ 8.189877] mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0) > [ 8.341881] mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0) > [ 8.493884] mmc_host mmc0: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1) > [ 8.973871] mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0) > [ 9.125876] mmc_host mmc0: Bus speed (slot 0) = 300000Hz (slot req 300000Hz, actual 300000HZ div = 0) > [ 9.277884] mmc_host mmc0: Bus speed (slot 0) = 200000Hz (slot req 200000Hz, actual 200000HZ div = 0) > [ 9.429882] mmc_host mmc0: Bus speed (slot 0) = 187500Hz (slot req 100000Hz, actual 93750HZ div = 1) > > looping here > > If I revert that patch, there are still lots of Bus speed messages, but finally would enter into system. > Plz..Don't put the comment on the top. Which kernel did you use? > > On 12/29/2016 06:25 PM, Randy Li wrote: >> >> >> On 12/29/2016 03:25 PM, Shawn Lin wrote: >>> On 2016/12/29 15:13, Jaehoon Chung wrote: >>>> On 12/29/2016 12:02 PM, Jaehoon Chung wrote: >>>>> Hi Randy, >>>>> >>>>> On 12/29/2016 12:34 AM, Randy Li wrote: >>>>>> This reverts commit f90142683f04bcb0729bf0df67a5e29562b725b9. >>>>>> It is reported that making RK3288 can't boot from eMMC/MMC. >>>>> >>>>> Could you explain in more detail? >>>>> As you mentioned, this patch is making that RK3288 can't boot..then why? >>>>> Good way should be that finds the main reason and fixes it. >>>>> Not just revert. >>>> >>>> To Shawn, >>>> >>>> Could you check this? If you have rk3288.. >>>> If it's not working fine, it needs to revert this patch until finding >>>> the problem. >>>> >>> >>> Hrmm.....as that patchset was tested based on rk3288 and rk3368, so I >>> need to know which board Randy are using now and could you share some >> Sorry, XZY has asked me about this in the morning and I answer him that I would give a feedback at home, so I didn't notice this mail. >> The board is Firefly reload. but the reporter told me that Firefly release also have the same problem. >>> log? >>> >>> I will have a look at it. >>> >>> >>>> Best Regards, >>>> Jaehoon Chung >>>> >>>>> >>>>> Best Regards, >>>>> Jaehoon Chung >>>>> >>>>>> >>>>>> Signed-off-by: Randy Li >>>>>> --- >>>>>> drivers/mmc/host/dw_mmc-rockchip.c | 41 >>>>>> +++----------------------------------- >>>>>> 1 file changed, 3 insertions(+), 38 deletions(-) >>>>>> >>>>>> diff --git a/drivers/mmc/host/dw_mmc-rockchip.c >>>>>> b/drivers/mmc/host/dw_mmc-rockchip.c >>>>>> index 9a46e46..3189234 100644 >>>>>> --- a/drivers/mmc/host/dw_mmc-rockchip.c >>>>>> +++ b/drivers/mmc/host/dw_mmc-rockchip.c >>>>>> @@ -14,7 +14,6 @@ >>>>>> #include >>>>>> #include >>>>>> #include >>>>>> -#include >>>>>> #include >>>>>> >>>>>> #include "dw_mmc.h" >>>>>> @@ -327,7 +326,6 @@ static int dw_mci_rockchip_probe(struct >>>>>> platform_device *pdev) >>>>>> { >>>>>> const struct dw_mci_drv_data *drv_data; >>>>>> const struct of_device_id *match; >>>>>> - int ret; >>>>>> >>>>>> if (!pdev->dev.of_node) >>>>>> return -ENODEV; >>>>>> @@ -335,49 +333,16 @@ static int dw_mci_rockchip_probe(struct >>>>>> platform_device *pdev) >>>>>> match = of_match_node(dw_mci_rockchip_match, pdev->dev.of_node); >>>>>> drv_data = match->data; >>>>>> >>>>>> - pm_runtime_get_noresume(&pdev->dev); >>>>>> - pm_runtime_set_active(&pdev->dev); >>>>>> - pm_runtime_enable(&pdev->dev); >>>>>> - pm_runtime_set_autosuspend_delay(&pdev->dev, 50); >>>>>> - pm_runtime_use_autosuspend(&pdev->dev); >>>>>> - >>>>>> - ret = dw_mci_pltfm_register(pdev, drv_data); >>>>>> - if (ret) { >>>>>> - pm_runtime_disable(&pdev->dev); >>>>>> - pm_runtime_set_suspended(&pdev->dev); >>>>>> - pm_runtime_put_noidle(&pdev->dev); >>>>>> - return ret; >>>>>> - } >>>>>> - >>>>>> - pm_runtime_put_autosuspend(&pdev->dev); >>>>>> - >>>>>> - return 0; >>>>>> + return dw_mci_pltfm_register(pdev, drv_data); >>>>>> } >>>>>> >>>>>> -static int dw_mci_rockchip_remove(struct platform_device *pdev) >>>>>> -{ >>>>>> - pm_runtime_get_sync(&pdev->dev); >>>>>> - pm_runtime_disable(&pdev->dev); >>>>>> - pm_runtime_put_noidle(&pdev->dev); >>>>>> - >>>>>> - return dw_mci_pltfm_remove(pdev); >>>>>> -} >>>>>> - >>>>>> -static const struct dev_pm_ops dw_mci_rockchip_dev_pm_ops = { >>>>>> - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, >>>>>> - pm_runtime_force_resume) >>>>>> - SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend, >>>>>> - dw_mci_runtime_resume, >>>>>> - NULL) >>>>>> -}; >>>>>> - >>>>>> static struct platform_driver dw_mci_rockchip_pltfm_driver = { >>>>>> .probe = dw_mci_rockchip_probe, >>>>>> - .remove = dw_mci_rockchip_remove, >>>>>> + .remove = dw_mci_pltfm_remove, >>>>>> .driver = { >>>>>> .name = "dwmmc_rockchip", >>>>>> .of_match_table = dw_mci_rockchip_match, >>>>>> - .pm = &dw_mci_rockchip_dev_pm_ops, >>>>>> + .pm = &dw_mci_pltfm_pmops, >>>>>> }, >>>>>> }; >>>>>> >>>>>> >>>>> >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in >>>>> the body of a message to majordomo@vger.kernel.org >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> >>>>> . >>>>> >>>> >>>> >>>> >>>> >>> >>> >> >