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From d988bfe2ade0b5c288f350708a8cc3e916b5f286 Mon Sep 17 00:00:00 2001
From: "ernest.zhang" <ernest.zhang@bayhubtech.com>
Date: Mon, 16 Jul 2018 14:26:53 +0800
Subject: [PATCH 099/131] mmc: sdhci: Export sdhci tuning function symbol
Export sdhci tuning function symbols which are used by other SD Host
controller driver modules.
Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
---
drivers/mmc/host/sdhci.c | 12 ++++++++----
drivers/mmc/host/sdhci.h | 5 +++++
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index d35deb7..9b65a38 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2027,7 +2027,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
return 0;
}
-static void sdhci_start_tuning(struct sdhci_host *host)
+void sdhci_start_tuning(struct sdhci_host *host)
{
u16 ctrl;
@@ -2050,14 +2050,16 @@ static void sdhci_start_tuning(struct sdhci_host *host)
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE);
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE);
}
+EXPORT_SYMBOL_GPL(sdhci_start_tuning);
-static void sdhci_end_tuning(struct sdhci_host *host)
+void sdhci_end_tuning(struct sdhci_host *host)
{
sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
}
+EXPORT_SYMBOL_GPL(sdhci_end_tuning);
-static void sdhci_reset_tuning(struct sdhci_host *host)
+void sdhci_reset_tuning(struct sdhci_host *host)
{
u16 ctrl;
@@ -2066,6 +2068,7 @@ static void sdhci_reset_tuning(struct sdhci_host *host)
ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
}
+EXPORT_SYMBOL_GPL(sdhci_reset_tuning);
static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
{
@@ -2086,7 +2089,7 @@ static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
* interrupt setup is different to other commands and there is no timeout
* interrupt so special handling is needed.
*/
-static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
+void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
{
struct mmc_host *mmc = host->mmc;
struct mmc_command cmd = {};
@@ -2136,6 +2139,7 @@ static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
msecs_to_jiffies(50));
}
+EXPORT_SYMBOL_GPL(sdhci_send_tuning);
static void __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode)
{
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 1d7d61e..6386709 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -733,4 +733,9 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error,
void sdhci_dumpregs(struct sdhci_host *host);
+void sdhci_start_tuning(struct sdhci_host *host);
+void sdhci_end_tuning(struct sdhci_host *host);
+void sdhci_reset_tuning(struct sdhci_host *host);
+void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
+
#endif /* __SDHCI_HW_H */
--
2.7.4
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