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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch91
1 files changed, 91 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch
new file mode 100644
index 00000000..ed092c65
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch
@@ -0,0 +1,91 @@
+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
+