From: Chunyan Zhang <zhang.lyra@gmail.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Orson Zhai <orsonzhai@gmail.com>,
Baolin Wang <baolin.wang@linaro.org>
Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
Chunyan Zhang <zhang.lyra@gmail.com>
Subject: [PATCH v2 2/5] mmc: sdhci-sprd: add get_ro hook function
Date: Wed, 28 Aug 2019 10:17:33 +0800 [thread overview]
Message-ID: <20190828021736.22049-3-zhang.lyra@gmail.com> (raw)
In-Reply-To: <20190828021736.22049-1-zhang.lyra@gmail.com>
From: Chunyan Zhang <chunyan.zhang@unisoc.com>
sprd's sd host controller doesn't support write protect to sd card.
Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host
controller")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Chunyan Zhang <zhang.lyra@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/mmc/host/sdhci-sprd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index d5871865a1e9..90cb2af91159 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -374,6 +374,11 @@ static unsigned int sdhci_sprd_get_max_timeout_count(struct sdhci_host *host)
return 1 << 31;
}
+static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host)
+{
+ return 0;
+}
+
static struct sdhci_ops sdhci_sprd_ops = {
.read_l = sdhci_sprd_readl,
.write_l = sdhci_sprd_writel,
@@ -386,6 +391,7 @@ static struct sdhci_ops sdhci_sprd_ops = {
.set_uhs_signaling = sdhci_sprd_set_uhs_signaling,
.hw_reset = sdhci_sprd_hw_reset,
.get_max_timeout_count = sdhci_sprd_get_max_timeout_count,
+ .get_ro = sdhci_sprd_get_ro,
};
static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
--
2.20.1
next prev parent reply other threads:[~2019-08-28 2:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-28 2:17 [PATCH v2 0/5] a few fixes for sprd's sd host controller Chunyan Zhang
2019-08-28 2:17 ` [PATCH v2 1/5] mmc: sdhci-sprd: fixed incorrect clock divider Chunyan Zhang
2019-08-28 2:17 ` Chunyan Zhang [this message]
2019-08-28 2:17 ` [PATCH v2 3/5] mmc: sdhci-sprd: add SDHCI_QUIRK2_PRESET_VALUE_BROKEN Chunyan Zhang
2019-08-28 2:17 ` [PATCH v2 4/5] mms: sdhci-sprd: add SDHCI_QUIRK_BROKEN_CARD_DETECTION Chunyan Zhang
2019-08-28 2:17 ` [PATCH v2 5/5] mmc: sdhci-sprd: clear the UHS-I modes read from registers Chunyan Zhang
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