From: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Date: Fri, 25 Jan 2013 17:17:25 +0000 (+0100)
Subject: zynq: sdhci: Add a delay quirk during completion of sdhci_send_cmd
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0f4e51df81c30ff3d48da7fd932981b55fa94e2f;p=thirdparty%2Fu-boot.git

zynq: sdhci: Add a delay quirk during completion of sdhci_send_cmd

This patch provides to added delay quirk between the every sdhci_send_cmd()
execution.

Without this delay, MMC initialization on zynq board fails with
following error messages.

Controller never released inhibit bit(s).

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
---

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 761a8596e21..27e9d5ef7c1 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -30,7 +30,7 @@ int zynq_sdhci_init(u32 regbase, u32 max_clk, u32 min_clk)
 
 	host->name = "zynq_sdhci";
 	host->ioaddr = (void *) regbase;
-	host->quirks = SDHCI_QUIRK_NO_CD;
+	host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD;
 	host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
 
 	add_sdhci(host, max_clk, min_clk);