From: Bjorn Andersson <andersson@kernel.org>
To: Mukesh Ojha <quic_mojha@quicinc.com>
Cc: agross@kernel.org, konrad.dybcio@linaro.org,
p.zabel@pengutronix.de, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Revert "firmware: qcom_scm: Clear download bit during reboot"
Date: Fri, 19 May 2023 19:12:01 -0700 [thread overview]
Message-ID: <20230520021201.t2zeermogm4s5fgq@ripper> (raw)
In-Reply-To: <1684408823-5898-1-git-send-email-quic_mojha@quicinc.com>
On Thu, May 18, 2023 at 04:50:23PM +0530, Mukesh Ojha wrote:
> This reverts commit 781d32d1c970 as it causes regression(reboot
> does not work) for target like IPQ4019 that does not support
> download mode scm calls end to end.
>
What do you mean with "reboot does not work"?
Does qcom_scm_set_download_mode() crash the board? Does the reboot
always end up in download mode? Or some other form of "not work"?
Regards,
Bjorn
> Fixes: 781d32d1c970 ("firmware: qcom_scm: Clear download bit during reboot")
> Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com>
> ---
> drivers/firmware/qcom_scm.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
> index fde33acd46b7..a4bb9265d9c0 100644
> --- a/drivers/firmware/qcom_scm.c
> +++ b/drivers/firmware/qcom_scm.c
> @@ -1508,7 +1508,8 @@ static int qcom_scm_probe(struct platform_device *pdev)
> static void qcom_scm_shutdown(struct platform_device *pdev)
> {
> /* Clean shutdown, disable download mode to allow normal restart */
> - qcom_scm_set_download_mode(false);
> + if (download_mode)
> + qcom_scm_set_download_mode(false);
> }
>
> static const struct of_device_id qcom_scm_dt_match[] = {
> --
> 2.7.4
>
next prev parent reply other threads:[~2023-05-20 2:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-18 11:20 [PATCH] Revert "firmware: qcom_scm: Clear download bit during reboot" Mukesh Ojha
2023-05-18 11:38 ` Mukesh Ojha
2023-05-18 11:46 ` Robert Marko
2023-05-20 2:12 ` Bjorn Andersson [this message]
2023-05-23 7:53 ` Mukesh Ojha
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