FAILED: patch "[PATCH] mmc: sdhci-omap: Fix busy detection by enabling" failed to apply to 5.4-stable tree
Subsystems (4)
[email protected]
maintainerThe patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 055e04830d4544c57f2a5192a26c9e25915c29c0 Mon Sep 17 00:00:00 2001
From: Ulf Hansson <[email protected]>
Date: Tue, 10 Mar 2020 15:05:02 +0100
Subject: [PATCH] mmc: sdhci-omap: Fix busy detection by enabling
MMC_CAP_NEED_RSP_BUSY
It has turned out that the sdhci-omap controller requires the R1B response, for commands that has this response associated with them. So, converting from an R1B to an R1 response for a CMD6 for example, leads to problems with the HW busy detection support.
Fix this by informing the mmc core about the requirement, via setting the host cap, MMC_CAP_NEED_RSP_BUSY.
drivers/mmc/host/sdhci-omap.c +3 -0
@@ -1192,6 +1192,9 @@ static int sdhci_omap_probe(struct platform_device *pdev)if (of_find_property (dev->of_node,"dmas" ,NULL ))sdhci_switch_external_dma (host, true); +/* R1B responses is required to properly manage HW busy detection. */ + mmc->caps |=MMC_CAP_NEED_RSP_BUSY ; + ret =sdhci_setup_host (host);if (ret) goto err_put_sync;