6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kamal Dasu kamal.dasu@broadcom.com
commit 723ef0e20dbb2aa1b5406d2bb75374fc48187daa upstream.
cqhci timeouts observed on brcmstb platforms during suspend: ... [ 164.832853] mmc0: cqhci: timeout for tag 18 ...
Adding cqhci_suspend()/resume() calls to disable cqe in sdhci_brcmstb_suspend()/resume() respectively to fix CQE timeouts seen on PM suspend.
Fixes: d46ba2d17f90 ("mmc: sdhci-brcmstb: Add support for Command Queuing (CQE)") Cc: stable@vger.kernel.org Signed-off-by: Kamal Dasu kamal.dasu@broadcom.com Reviewed-by: Florian Fainelli florian.fainelli@broadcom.com Link: https://lore.kernel.org/r/20250311165946.28190-1-kamal.dasu@broadcom.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/host/sdhci-brcmstb.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
--- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -384,8 +384,15 @@ static int sdhci_brcmstb_suspend(struct struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_brcmstb_priv *priv = sdhci_pltfm_priv(pltfm_host); + int ret;
clk_disable_unprepare(priv->base_clk); + if (host->mmc->caps2 & MMC_CAP2_CQE) { + ret = cqhci_suspend(host->mmc); + if (ret) + return ret; + } + return sdhci_pltfm_suspend(dev); }
@@ -410,6 +417,9 @@ static int sdhci_brcmstb_resume(struct d ret = clk_set_rate(priv->base_clk, priv->base_freq_hz); }
+ if (host->mmc->caps2 & MMC_CAP2_CQE) + ret = cqhci_resume(host->mmc); + return ret; } #endif