linux-kernel - [PATCH 4/4] sdhci: arasan: Remove quirk for broken base clock

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Message-Id: <1579602095-30060-5-git-send-email-manish.narani@xilinx.com>
Date:   Tue, 21 Jan 2020 15:51:35 +0530
From:   Manish Narani <manish.narani@...inx.com>
To:     michal.simek@...inx.com, adrian.hunter@...el.com,
        ulf.hansson@...aro.org, jolly.shah@...inx.com,
        rajan.vaja@...inx.com, nava.manne@...inx.com,
        manish.narani@...inx.com, tejas.patel@...inx.com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mmc@...r.kernel.org
Subject: [PATCH 4/4] sdhci: arasan: Remove quirk for broken base clock

This patch removes quirk which indicates a broken base clock. This was
making the kernel report wrong base clock of ~187MHz instead of 200MHz
even as the measurement on the hardware was showing 200MHz.

Signed-off-by: Manish Narani <manish.narani@...inx.com>
State: pending
---
 drivers/mmc/host/sdhci-of-arasan.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 39176ab5ca1f..0146d7dd315b 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -358,6 +358,17 @@ static struct sdhci_arasan_of_data sdhci_arasan_data = {
 	.pdata = &sdhci_arasan_pdata,
 };
 
+static const struct sdhci_pltfm_data sdhci_arasan_zynqmp_pdata = {
+	.ops = &sdhci_arasan_ops,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+			SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+			SDHCI_QUIRK2_STOP_WITH_TC,
+};
+
+static struct sdhci_arasan_of_data sdhci_arasan_zynqmp_data = {
+	.pdata = &sdhci_arasan_zynqmp_pdata,
+};
+
 static u32 sdhci_arasan_cqhci_irq(struct sdhci_host *host, u32 intmask)
 {
 	int cmd_error = 0;
@@ -553,7 +564,7 @@ static const struct of_device_id sdhci_arasan_of_match[] = {
 	},
 	{
 		.compatible = "xlnx,zynqmp-8.9a",
-		.data = &sdhci_arasan_data,
+		.data = &sdhci_arasan_zynqmp_data,
 	},
 	{ /* sentinel */ }
 };
-- 
2.17.1