Merge 5.11-rc5 into tty-next

We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 4b673792b5a4..d90020ed3622 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -16,6 +16,8 @@
 
 #include "sdhci-pltfm.h"
 
+#define SDHCI_DWCMSHC_ARG2_STUFF	GENMASK(31, 16)
+
 /* DWCMSHC specific Mode Select value */
 #define DWCMSHC_CTRL_HS400		0x7
 
@@ -49,6 +51,29 @@ static void dwcmshc_adma_write_desc(struct sdhci_host *host, void **desc,
 	sdhci_adma_write_desc(host, desc, addr, len, cmd);
 }
 
+static void dwcmshc_check_auto_cmd23(struct mmc_host *mmc,
+				     struct mmc_request *mrq)
+{
+	struct sdhci_host *host = mmc_priv(mmc);
+
+	/*
+	 * No matter V4 is enabled or not, ARGUMENT2 register is 32-bit
+	 * block count register which doesn't support stuff bits of
+	 * CMD23 argument on dwcmsch host controller.
+	 */
+	if (mrq->sbc && (mrq->sbc->arg & SDHCI_DWCMSHC_ARG2_STUFF))
+		host->flags &= ~SDHCI_AUTO_CMD23;
+	else
+		host->flags |= SDHCI_AUTO_CMD23;
+}
+
+static void dwcmshc_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	dwcmshc_check_auto_cmd23(mmc, mrq);
+
+	sdhci_request(mmc, mrq);
+}
+
 static void dwcmshc_set_uhs_signaling(struct sdhci_host *host,
 				      unsigned int timing)
 {
@@ -133,6 +158,8 @@ static int dwcmshc_probe(struct platform_device *pdev)
 
 	sdhci_get_of_property(pdev);
 
+	host->mmc_host_ops.request = dwcmshc_request;
+
 	err = sdhci_add_host(host);
 	if (err)
 		goto err_clk;